GE Industrial Solutions CAR2512FP User Manual

Download

Page 1

CAR2512FP Front-End

Input: 90VAC to 264VAC; Output: 12VDC @ 2500W; 3.3VDC or 5 VDC @ 1A

RoHS Compliant

Applications



12VDC distributed power architectures

 Datacom, Telecom and ATE Equipment  Mid to high-end Servers  Enterprise Networking  Network Attached Storage  Routers/Switches/Access Nodes  Broadband Switches

Features

 Universal input with PFC  Constant power characteristic  2 front panel LEDs: 1-input;2-[output, fault, over temp]  Remote ON/OFF control of the 12V  Remote sense on the 12V  No minimum load requirements  Active load sharing (single wire)  Hot Plug-ability  Efficiency: typically 92.5% @ 50% load

and 90.0% @ 20% load

 Standby orderable either as 3.3V  Auto recoverable OC & OT protection  Operating temperature: -10 - 70C (de-rated above 50C)  Digital status & control: I  EN/IEC/UL60950-1 2  EMI: class A FCC docket 20780 part 15, EN55022  Meets EN6100 immunity and transient standards  Shock & vibration: NEBS GR-63-CORE, level 3

Data Sheet

output

or 5VDC

C and PMBus serial bus

edition; UL, CSA and VDE

Description

The CAR2512FP Front-End provides highly efficient isolated power from worldwide input mains in a compact 1U industry standard form factor in an unprecedented power density of 25W/in such as enterprise networking, mid to high-end servers, and storage equipment, where mid to light load efficiency is of key importance given the nature of the power consumption of the end application.

The high-density, front-to-back airflow is designed for minimal space utilization and is highly expandable for future growth. The industry standard PMBus compliant I

C communications buss offers a full range of control and monitoring capabilities. The SMBAlert signal pin alerts customers automatically of any state change within the power supply.

* UL is a registered trademark of Underwriters Laboratories, Inc. † CSA is a registered trademark of Canadian Standards Association. ‡ VDE is a trademark of Verband Deutscher Elektrotechniker e.V.

§ Intended for integration into end-user equipment. All the required procedures for CE marking of end-user equipment should be followed. (The CE mark is placed on selected products.) ** ISO is a registered trademark of the International Organization of Standards. + PMBus name and logo are registered trademarks of the System Management Interface Forum (SMIF)

. It is ideal for datacom applications

Page 2

Data Sheet

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability.

Parameter Symbol Min Max Unit

Input Voltage: Continuous VIN 0 264 VAC

Operating Ambient Temperature TA -10 701 °C

Storage Temperature T

I/O Isolation voltage to Frame (100% factory Hi-Pot tested) 1500 VAC

Electrical Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, load, and temperature conditions.

INPUT

Parameter Symbol Min Typ Max Unit

Operational Range VIN 90 110/230 264 VAC

Frequency Range (ETSI 300-132-1 recommendation)

Main Output Turn_OFF

Maximum Input Current (V

VIN= 180VAC

Cold Start Inrush Current

(Excluding x-caps, 25C, <10ms, per ETSI 300-132)

Efficiency (T

=25C, VIN = 230V, V

AMB

50% load 20% load

Power Factor (VIN=230VAC, I Holdup time2 (V

= 100VAC

≥ 10.8VDC, Tamb 25C, I

OUT

Early warning prior to output falling below regulation 2 ms

Ride through, high line T 10 ms

Leakage Current (VIN= 250VAC, Fin = 60Hz) I

Isolation Input/Output

Input/Frame 1500 V

Output/Frame 100 V

= V

OUT

OUT=IO, max

O, set

, I

OUT

OUT=IO, max

= 12V, I

) VIN= 100VAC

), 100% load

O, max

) PF 0.99

OUT=IO, max

12VDC MAIN OUTPUT

@ 2500W; 3.3V

) VIN= 230VAC

or 5 V

-40 85 °C

STG

40 A

@ 1A

47 50/60 63 Hz

80 V

14.3 16

91.6



92.5

90.0

3 mArms

12 15

3000 V

AAC

PEAK

Parameter Symbol Min Typ Max Unit

Output Power HL / LL [180 – 264 / 90-132 VAC] V

≤ 12VDC 0 - 2246/1078 W

≥ 12V

Set point Overall regulation (load, temperature) -2 +2 %

Ripple and noise3 -120 +120

OUT

Turn-ON overshoot +3 % Turn-ON delay T 2 sec

0 - 2500/1200 W

11.9 12.00 12.1 V

p-p

Derated above 50C at 2.5%/C

12V output can decay down to 10.8V

Measured across a 10µf electrolytic and a 0.1µf ceramic capacitors in parallel. 20MHz bandwidth

Page 3

Data Sheet

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

12VDC MAIN OUTPUT (continued)

Parameter Symbol Min Typ Max Unit

Remote ON/OFF delay time Turn-ON rise time (10 – 90% of V Transient response 50% step [10%-60%, 50% - 100%]

(dI/dt – 1A/µs, recovery 300µs) Programmable range (hardware & software) 10.8 13.2 V Overvoltage protection, latched

(recovery by cycling OFF/ON via hardware or software) Output current [V VIN = HL

V Current limit, Hiccup (programmable level) 110 130 % of FL Active current share -5 +5 % of FL

STANDBY OUTPUT

Set point V

Overall regulation (load, temperature, aging) V

Ripple and noise 50 mVp-p

Output current I Isolation Output/Frame 100

)

OUT

Parameter Symbol Min Typ Max Unit

@ 2500W; 3.3V

= LL

or 5 V

OUT

3.3 / 5.0 V

OUT

-5 +5 %

OUT

@ 1A

40 ms 50 ms

-5 +5 %V

13.8 14.8 15.8

0 1 A

208 100

OUT

General Specifications

Parameter Min Typ Max Units Notes

Reliability 400,000

Hrs

Full load, 25C ; MTBF per SR232 Reliability protection for electronic equipment, method I, case III,

Service Life 10 Yrs Full load, excluding fans

Weight

Kgs

(Lbs)

Feature Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See Feature Descriptions for additional information.

Parameter Symbol Min Typ Max Unit

Remote ON/OFF (Needs to be pulled HI via an external resistor) Logic High (Module ON) I

Logic Low (Module OFF) I

0.7V

 



20 µA 12 V

1 mA

0.8 VDC

Page 4



Data Sheet

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Feature Specifications (continued)

Parameter Symbol Min Typ Max Unit

Output Voltage programming (Vprog) Equation: Vout = 10.8 + (Vprog * 0.96) Vprog range V Programmed output voltage range Vo Voltage adjustment resolution (8-bit A/D) Vo Output configured to 13.2VDC V Output configured to the 12VDC set-point V Enable [short pin controlling presence of the 12VDC output] 12V output OFF VI 12V output ON VI Write protect (Wp) Write protect enabled VI

Write protect disabled VI INPUT(AC)-OK (Needs to be pulled HI via an external resistor)

Logic High (Input within normal range; VIN ≥ 80VAC) I

Logic Low (Input out of range; VIN ≤ 75VAC) I

V DC-OK ( Internally connected to 3.3V via a 10kΩ resistor) Logic High (Output voltage is present; V

V Logic Low (Output voltage is not present; V V

Over Temperature Warning (Needs to be pulled HI via an external

Logic High (temperature within normal range) I

V Logic Low (temperature is too high) I V Delayed shutdown after Logic Low transition Tdelay 10 sec Fault (Needs to be pulled HI via an external resistor) Logic High (No fault is present) I

V Logic Low (Fault is present) I

PS Present (Needs to be pulled HI via an external resistor)

Logic High (Power supply is not plugged in) Logic Low (Power supply is present) VIL 0

≥ 10.7VDC) I

OUT

@ 2500W; 3.3V

≤ 10.2V

) I

or 5 V

prog

2.5 3.0 VDC

prog

@ 1A

10.8 

3.0

0.7V

 

0.7V

 

2.5 VDC

13.2 VDC



 



12 V

0.8 VDC

12 V

0.8 V

 

20 µA 12 V 20 mA



 

0.4 VDC

20 µA 12 V 20 mA



0.4 VDC

mVDC

VDC

0.7V

 

0.7V



 



20 µA 12 V

20 mA

0.4 VDC

20 µA 12 V

20 mA

0.4 VDC

0.1 VDC

Page 5

Data Sheet

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Feature Specifications (continued)

Parameter Symbol Min Typ Max Unit

SMBAlert# (Interrupt) (Needs to be pulled HI via an external

Logic High (No Alert - normal) I

Logic Low (Alert is set) I

V Output current monitor (Imon) Resolution Measurement range IO 0 208 ADC Measurement accuracy, load > 25% of FL -10 +10 % Analog output range V Sourced output current IO 5 mADC

Digital Interface Specifications

Parameter Conditions Symbol Min Typ Max Unit

PMBus Signal Interface Characteristics

Input Logic High Voltage (CLK, DATA) VIH 2.1 3.6 VDC Input Logic Low Voltage (CLK, DATA) VIL 0 0.8 VDC Input high sourced current (CLK, DATA) IIH 0 10 μA Output Low sink Voltage (CLK, DATA, SMBALERT#) I Output Low sink current (CLK, DATA, SMBALERT#) IOL 3.5 mA Output High open drain leakage current

(CLK,DATA, SMBALERT#) PMBus Operating frequency range Slave Mode FPMB 10 400 kHz

Measurement System Characteristics (all measurement tolerances are typical estimations under normal operating conditions) Clock stretching I

measurement range

OUT

measurement accuracy 25°C

OUT

measurement range

OUT

measurement accuracy

OUT

Temp measurement range Temp measurement accuracy4

IIN measurement range IIN measurement accuracy

VIN measurement range VIN measurement accuracy

PIN measurement range PIN measurement accuracy

Fan Speed measurement range Linear 0 30k RPM Fan Speed measurement accuracy -5 5 % Fan speed control range -direct- 0 100 %

@ 2500W; 3.3V

=3.5mA VOL 0.4 VDC

OUT

=3.6V I

OUT

Linear

or 5 V

@ 1A

0 3.3 VDC

mon

0.7V

 

15 mV/A

 



0 10 μA

20 µA 12 V

20 mA

0.4 VDC

tSTRETCH 25 ms

RNG

ACC

OUT(rng)

OUT(acc)

Temp

(rng)

Temp

(acc)

0 40 AAC

IN(rng)

IN(acc)

IN(rng)

IN(acc)

0 3000 W

N(rng)

IN(acc)

0 208 A

-3 +3 % of FL

0 14 VDC

-3 +3 %

0 120

-5 +5

C C

-5 +5 %

0 264 VAC

-3 +3 %

-5 +5 %

Temperature accuracy reduces non-linearly with decreasing temperature

Page 6

Data Sheet

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Environmental Specifications

Parameter Min Typ Max Units Notes

Ambient Temperature

Storage Temperature -40 85 °C

Operating Altitude 2250/7382 m/ft

Non-operating Altitude 8200/30k m / ft

Power Derating with Temperature 2.5

Power Derating with Altitude 2.0

Acoustic noise 55 dbA Full load

Over Temperature Protection 125/110 °C Shutdown / restart

Humidity Operating Storage

Shock and Vibration acceleration

Earthquake Rating

-10

30 10

@ 2500W; 3.3V

70 °C

95 95

6 Grms

or 5 V

C/1000 ft

@ 1A

%/°C

C/301 m

% Relative humidity, non-condensing

Zone

Derated above 50C

50C to 70C

Above 2250 m/7382 ft

NEBS GR-63-CORE, Level 3, 20 2000Hz, min 30 minutes

NEBS GR-63-CORE, all floors, Seismic Zone 4 Designed and tested to meet NEBS specifications.

EMC Compliance

Parameter Criteria Standard Level Test

Conducted emissions EN55022, FCC Docket 20780 part 15, subpart J

AC input

Radiated emissions** EN55022 A* 30 – 10000MHz

Voltage dips EN61000-4-11 B -30%, 10ms

AC input immunity

Enclosure immunity

* Note: Contact the factory for a recommended external EMI filter to meet Class B emissions **

Radiated emissions compliance is contingent upon the final system configuration.

Voltage surge EN61000-4-5 A 4kV, 1.2/50µs, common mode

Fast transients EN61000-4-4 B 5/50ns, 2kV (common mode)

Conducted RF fields EN61000-4-6 A 130dBµV, 0.15-80MHz, 80% AM

Radiated RF fields EN61000-4-3 A 10V/m, 80-1000MHz, 80% AM

ESD EN61000-4-2 B 4kV contact, 8kV air

EN61000-3-2

ENV 50140 A

A* 0.15 – 30MHz

0 – 2 KHz

B -60%, 100ms

B -100%, 5sec

A 2kV, 1.2/50µs, differential mode

Designed to start at an ambient down to -40°C; meet spec after  30 min warm up period, may not meet operational limits below -10°C.

Page 7

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Control and Status

Control hierarchy: Some features, such as output voltage,

can be controlled both through hardware and firmware. For example, the output voltage is controlled both by the signal pin (Vprog) and the PMBus command, (Vout_command) .

Using output voltage as an example; the Vprog signal pin has ultimate control of the output voltage until the Vprog is either >

or a no connect. When the programming signal via Vprog

is either a no connect or > 3V voltage is set at its nominal 12V can be controlled via the PMBus command, (Vout_command).

Analog controls: Details of analog controls are provided in

this data sheet under Signal Definitions.

Common ground: All signals and outputs are referenced to

Output return. These include ‘V

, it is ignored, the output

and the unit output voltage

return’ and ‘Signal return’.

STDBY

Control Signals

Voltage programming (Vprog): An analog voltage on this

signal can vary the output voltage ± 10% of nominal, from

10.8V

to 13.2VDC. The equation of this signal is:

= 10.8  (Vprog * 0.96) where Vprog = 0 to 2.5VDC

OUT

Between 2.5 and 3V the output stays at 13.2V 3V, or left open, the programming signal is ignored and the unit output is set at the setpoint of 12V

Load share (Ishare): This is a single wire analog signal that is

generated and acted upon automatically by power supplies connected in parallel. The Ishare pins should be tied together for power supplies if active current share among the power supplies is desired. No resistors or capacitors should get connected to this pin.

Remote_ON/OFF: Controls presence of the 12V

voltage. This is an open collector, TTL level control signal that needs to be pulled HI externally through a resistor.

A turn OFF command either through this signal (Remote ON/OFF) or firmware commanded would turn OFF the 12V output.

Enable: This is a short signal pin that controls the presence of

the 12V return’ on the system side of the output connector. The purpose of this pin is to ensure that the output turns ON after engagement of the power blades and turns OFF prior to disengagement of the power blades.

Write protect (WP): This signal protects the contents of the

EEPROM from accidental over writing. When left open the EEPROM is write protected. A LO (TTL compatible) permits writing to the EEPROM. This signal is pulled HI internally by the power supply.

main output. This pin should be connected to ‘output

Status Signals

Output current monitor (Imon): A voltage level proportional to

the delivered output current is present on this pin. The signal level is 0.04V per amp ± 0.25V.

@ 208A; 3.3V

. If Vprog is >

output

Data Sheet

or 5 V

Input_OK: A TTL compatible status signal representing

whether the input voltage is within the anticipated range. This signal needs to be pulled HI externally through a resistor.

DC_OK: A TTL compatible status signal representing whether

the output voltage is present. This signal needs to be pulled HI externally through a resistor.

Over_temp_warning: A TTL compatible status signal

representing whether an over temperature exists. This signal needs to be pulled HI externally through a resistor.

If an over temperature should occur, this signal would pull LO approximately 10 seconds prior to shutting down the power supply. The unit would restart if internal temperatures recover within normal operational levels. At that time the signal reverts back to its open collector (HI) state.

Fault: A TTL compatible status signal representing whether a

Fault occurred. This signal needs to be pulled HI externally through a resistor.

This signal activates for OTP, OVP, OCP, INPUT fault or No output.

PS_Present: This pin is connected to ‘output return’ within the

power supply. Its intent is to indicate to the system that a power supply is present. This signal may need to be pulled HI externally through a resistor.

Interrupt (SMBAlert#): A TTL compatible status signal,

representing the SMBusAlert# feature of the PMBus compatible

C protocol in the power supply. This signal needs to be pulled

i HI externally through a resistor.

Serial Bus Communications

The I²C interface facilitates the monitoring and control of various operating parameters within the unit and transmits these on demand over an industry standard I²C Serial bus.

All signals are referenced to ‘Signal Return’.

Device addressing: The microcontroller (MCU) and the EEPROM

have the following addresses:

Device

MCU 0xBx 1 0 1 1 A2 A1 A0 R/W Broadcast 0x00 0 0 0 0 0 0 0 0 EEPROM 0xAx 1 0 1 0 A2 A1 A0 R/W

The Global Broadcast instruction executes a simultaneous write instruction to all power supplies. A read instruction cannot be accessed globally. The three programmable address bits are the same for all I power supply.

Address lines (A2, A1, A0): These signal pins allow up to eight

(8) modules to be addressed on a single I²C bus. The pins are pulled HI internal to the power supply. For a logic LO these pins should be connected to ‘Output Return’

Serial Clock (SCL): The clock pulses on this line are generated

by the host that initiates communications across the I²C Serial bus. This signal is pulled up internally to 3.3V by a 10kΩ resistor. The end user should add additional pull up resistance as necessary to ensure that rise and fall time timing and the

@ 1A

Address

Address Bit Assignments

(Most to Least Significant)

C accessible devices within the

Page 8

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

maximum sink current is in compliance to the I²C specifications.

Serial Data (SDA): This line is a bi-directional data line. . This

signal is pulled up internally to 3.3V by a 10kΩ resistor. The end user should add additional pull up resistance as necessary to ensure that rise and fall time timing and the maximum sink current is in compliance to the I²C specifications.

Digital Feature Descriptions

PMBus™ compliance: The power supply is fully compliant to

the Power Management Bus (PMBus™) rev1.2 requirements. Manufacturer specific commands located between addresses

0xD0 to 0xEF provide instructions that either do not exist in the general PMBus specification or make the communication interface simpler and more efficient.

Master/Slave: The ‘host controller’ is always the MASTER.

Power supplies are always SLAVES. SLAVES cannot initiate communications or toggle the Clock. SLAVES also must respond expeditiously at the command of the MASTER as required by the clock pulses generated by the MASTER.

Clock stretching: The ‘slave’ µController inside the power

supply may initiate clock stretching if it is busy and it desires to delay the initiation of any further communications. During the clock stretch the ‘slave’ may keep the clock LO until it is ready to receive further instructions from the host controller. The maximum clock stretch interval is 25ms.

The host controller needs to recognize this clock stretching, and refrain from issuing the next clock signal, until the clock line is released, or it needs to delay the next clock pulse beyond the clock stretch interval of the power supply.

Note that clock stretching can only be performed after completion of transmission of the 9 being the START command.

Figure 1. Example waveforms showing clock stretching.

I²C Bus Lock-Up detection: The device will abort any transaction and drop off the bus if it detects the bus being held low for more than 35ms.

Communications speed: Both 100kHz and 400kHz clock rates

are supported. The power supplies default to the 100kHz clock rate. The minimum clock speed specified by SMBus is 10 kHz.

Packet Error Checking (PEC): Although the power supply will

respond to commands with or without the trailing PEC, it is highly recommended that PEC be used in all communications. The integrity of communications is compromised if packet error correction is not employed. There are many functional features, including turning OFF the main output, that should require validation to ensure that the correct command is executed.

ACK bit, the exception

@ 2500W; 3.3V

Clock

Stretch

Data Sheet

or 5 V

PEC is a CRC-8 error-checking byte, based on the polynomial

+ x2 + x + 1, in compliance with PMBus™

C(x) = x requirements. The calculation is based in all message bytes, including the originating write address and command bytes preceding read instructions. The PEC is appended to the message by the device that supplied the last byte.

SMBAlert#: The µC driven SMBAlert# signal informs the

‘master/host’ controller that either a STATE or ALARM change has occurred. Normally this signal is HI. The signal will change to its LO level if the power supply has changed states and the signal will be latched LO until the power supply either receives a ‘clear’ instruction as outlined below or executes a READ STATUS_WORD. If the alarm state is still present after the STATUS registers were reset, then the signal will revert back into its LO state again and will latch until a subsequent reset signal is received from the host controller.

The signal will be triggered for any state change, including the following conditions;

 VIN under or over voltage  Vout under or over voltage  IOUT over current  Over Temperature warning or fault  Fan Failure  Communication error  PEC error  Invalid command  Detected internal faults

The power supply will clear the SMBusAlert# signal (release the signal to its HI state) upon the following events:

 Receiving a CLEAR_FAULTS command  The main output recycled (turned OFF and then ON) via

the ENABLE signal pin

 The main output recycled (turned OFF and then ON) by the

OPERATION command

 Execution of a READ of the STATUS_WORD register

Global broadcast: This is a powerful command because it can

instruct all power supplies to respond simultaneously in one command. But it does have a serious disadvantage. Only a single power supply needs to pull down the ninth acknowledge bit. To be certain that each power supply responded to the global instruction, a READ instruction should be executed to each power supply to verify that the command properly executed. The GLOBAL BROADCAST command should only be executed for write instructions to slave devices.

Read back delay: The power supply issues the SMBAlert #

notification as soon as the first state change occurred. During an event a number of different states can be transitioned to before the final event occurs. If a read back is implemented rapidly by the host a successive SMBAlert# could be triggered by the transitioning state of the power supply. In order to avoid successive SMBAlert# s and read back and also to avoid reading a transitioning state, it is prudent to wait more than 2 seconds after the receipt of an SMBAlert# before executing a read back. This delay will ensure that only the final state of the power supply is captured.

Successive read backs: Successive read backs to the power

supply should not be attempted at intervals faster than every

@ 1A

Page 9

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

one second. This time interval is sufficient for the internal processors to update their data base so that successive reads provide fresh data.

PMBusTM Commands

Standard instruction: Up to two bytes of data may follow an

instruction depending on the required data content. Analog data is always transmitted as LSB followed by MSB. PEC is optional and includes the address and data fields.

1 8 1 8 1 S Slave address Wr A Command Code A

Master to Slave Slave to Master SMBUS annotations; S – Start , Wr – Write, Sr – re-Start, Rd – Read, A – Acknowledge, NA – not-acknowledged, P – Stop

Standard READ:

request depending on the required data content. Analog data is always transmitted as LSB followed by MSB. PEC is mandatory and includes the address and data fields optional and includes the address and data fields.

Block communications: When writing or reading more than

two bytes of data at a time BLOCK instructions for WRITE and READ commands must be used instead of the Standard Instructions Error! Reference source not found. write any number of bytes greater than two.

Block write format:

8 1 8 1 8 1 1

Low data byte A High data byte A PEC A P

Up to two bytes of data may follow a READ

1 7 1 1 8 1 S Slave address Wr A Command Code A

1 7 1 1 8 1

Sr Slave Address Rd A LSB A

8 1 8 1 1

MSB A PEC No-ack P

1 7 1 1 8 1 S Slave address Wr A Command Code A

8 1 8 1 8 1

Byte count = N A Data 1 A Data 2 A

8 1 8 1 8 1 1

………. A Data 48 A PEC A P

@ 2500W; 3.3V

. PEC is

Data Sheet

or 5 V

Block read format:

1 S Slave address Wr A Command Code A

1 7 1 1

Sr Slave Address Rd A

Byte count = N A Data 1 A Data 2 A

Linear Data Format The definition is identical to Part II of the

PMBus Specification. All standard PMBus values, with the exception of output voltage related functions, are represented by the linear format described below. Output voltage functions are represented by a 16 bit mantissa. Output voltage has a E=9 constant exponent.

The Linear Data Format is a two byte value with an 11-bit, two’s complement mantissa and a 5-bit, two’s complement exponent or scaling factor, its format is shown below.

Data Byte High Data Byte Low

Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0

Exponent (E) Mantissa (M)

The relationship between the Mantissa, Exponent, and Actual Value (V) is given by the following equation:

MV 2

Where: V is the value, M is the 11-bit, two’s omplement mantissa, E is the 5-bit, two’s complement exponent

PMBusTM Command set:

Command

Operation 01 1 Output ON/OFF ON_OFF_config 02 1 09, output ON default Clear_faults 03 0 Clear Status Write_protect 10 1 Write control

Store_default_all 11 0 Store permanently Restore_default_all 12 0 Reset defaults Capability 19 1 30h, 400kHz, SMBAlert Vout_mode 20 1 Vout constants

Vout_command 21 2 Set Vout Fan_command_1 3B 2 Set fan speed in RPM Vout_OV_fault_limit 40 2 Set OV fault limit Vout_OV_fault_response 41 1 Vout_OV_warn_limit 42 2 Set OV warn limit Vout_UV_warn_limit 43 2 Set UV warn limit Vout_UV_fault_limit 44 2 Vout_UV_fault_response 45 1 Iout_OC_fault_limit 46 2 Iout_OC_fault_response

Iout_OC_warn_limit 4A 2 OT_fault_limit 4F 2 OT_fault_response 50 1 OT_warn_limit 51 2 UT_warn_limit 52 2 UT_fault_limit 53 2

@ 1A

7 1 1 8 1

8 1 8 1 8 1

8 1 8 1 8 1 1

………. A Data 48 A PEC NoAck P

Hex

Code

Data Byte Function

47 1

Latch or hiccup Set OC warn limit

Latch or hiccup Set OT warn limit

Page 10

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Hex

Command

UT_fault_response 54 1 Vin_OV_fault_limit 55 2 Vin_OV_warn_limit 57 2 Vin_UV_warn_limit 58 2 Set UV warn limit Vin_UV_fault_limit 59 2 Set UV shutdown

Status_byte 78 1 Status_word 79 2 Status_Vout 7A 1 Status_Iout 7B 1 Status_input 7C 1 Status_temperature 7D 1 Status_CML 7E 1

Status_other 7F 1 Status_mfr_specific Status_fan_1_2 81 1 Read_Vin 88 2 Read input voltage

Read Iin 89 2 Read input current Read_Vout 8B 2 Read output voltage Read_Iout 8C 2 Read output current Read_temperature 8D 2 Read Temperature Read_fan_speed_1 90 2 In RPM Read_fan_speed_2

Read_Pout 96 2 Read_Pin

PMBus revision 98 1 Mfr_ID 99 5 FRU_ID Mfr_model 9A 15 Mfr_revision 9B 4 Mfr_location 9C 4 Mfr_date 9D 6

Mfr_serial 9E 15

Mfr_Vin_min A0 2

Mfr_Vin_max A1 2

Mfr_Iin_max A2 2

Mfr_Pin_max A3 2

Mfr_Vout_min A4 2

Mfr_Vout_max A5 2

Mfr_Iout_max A6 2

Mfr_Pout_max A7 2

Mfr_Tambient_max A8 2

Mfr_Tambient_min A9 2 User_data_00 B0 48 User_data_01 B1 48 FRW_revision D0 1 Ilimit_control_I2C D3 2 Vout_control_ I2C D4 2 Fan_duty_cycle D6 1 Fan_speed D7 1 Vprog_ext D8 2 Read_Vout_ I2C E0 2 1/512V Read_Iout_ I2C E1 2 1/100A Read_TS_ I2C E2 2

CMD_OFF_ I2C E3 2 01-OFF, 00-ON OTF_limit_ I2C E4 2 OTF_recovery_ I2C E5 2 DCOKHI_ I2C E6 2 High OV fault (1/512V) DCOKLO_ I2C E7 2 Low OV fault (1/512V) Fan1_speed_ I2C E9 2 RPM

Data

Code

Field Function

Set OV warn limit

80 1

91 2 In RPM

97 2

User memory space User memory space

Ilimit set (1/100A) Vout set (1/512V) Duty_cycle in % Control in duty cycle

Heat sink temp C

OT fault limit C OT fault recovery C

@ 2500W; 3.3V

Fan2_speed_ I2C EA 2 RPM Read_Vin_ I2C ED 2 Vin (1/100V) Read_Iin_ I2C EE 2 Iin (1/100A) Read_Pin_ I2C EF 2

Status Register Bit Allocation:

(includes Status_byte)

Status_temperature 7D

Data Sheet

or 5 V

Command

Status_Byte 78

Status_word

Status_Vout 7A

Status_Iout 7B

Status_input 7C

@ 1A

Hex

Code

Code Bit Function

7 Busy 6 DC_ OFF 5 Output OV Fault detected 4 Output OC Fault detected 3 Input UV Fault detected 2 Temperature Fault/warning

1 CML (communication fault)

0 None of Below 7 OV Fault/Warning detected 6 OC Fault/Warning detected 5 Input Fault/Warning detected 4 Mfr_specific register change

3 DC_OFF 2 Fan Fault or Warning

1 Other fault 0 Unknown 7 Vout OV Fault 6 Vout OV Warning 5 Vout UV Warning 4 Vout UV Fault 3 N/A 2 N/A 1 N/A 0 N/A 7 IOUT OC Fault 6 N/A 5 IOUT OC Warning 4 N/A 3 N/A 2 N/A 1 N/A 0 N/A 7 Vin OV Fault 6 Vin OV Warning 5 Vin UV Warning 4 Vin UV Fault 3 N/A 2 N/A 1 N/A 0 N/A 7 OT Fault 6 OT Warning 5 N/A 4 N/A 3 N/A 2 N/A 1 N/A 0 N /A

Data Field Function

detected

Page 11

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

7 Invalid/Unsupported

Command 6 Invalid/Unsupported Data 5 Packet Error Check Failed

Status_cml 7E

Status_fan_1_2 81

Status_mfr_specif

4 Memory Fault Detected 3 Processor Fault Detected 2 Reserved 1 Other Communications Fault 0 Other Memory or Logic Fault

7 Fan 1 Fault 6 Fan 2 Fault 5 N/A 4 N/A 3 Fan 1 Speed Overridden 2 Fan 2 Speed Overridden 1 N/A 0 N/A 7 3.3V_fault 6 N/A 5 Interrupt 4 Fault detected

3 PS_remote_OFF 2 DC_fault 1 INPUT_fault 0 0 – AC high line,

1 – AC low line

Command Descriptions

Operation (01) : By default the Power supply is turned ON at

power up as long as Power ON/OFF signal pin is active HI. The Operation command is used to turn the Power Supply ON or OFF via the PMBus. The data byte below follows the OPERATION command.

FUNCTION DATA BYTE

Unit ON 80

Unit OFF 00

To RESET the power supply cycle the power supply OFF, wait at least 2 seconds, and then turn back ON. All alarms and shutdowns are cleared during a restart.

Clear_faults (03): This command clears all STATUS and FAULT

registers and resets the SMBAlert# line. If a fault still persists after the issuance of the clear_faults

command the specific registers indicating the fault are reset and the SMBAlert# line is activated again.

WRITE_PROTECT register (10): Used to control writing to the

PMBus device. The intent of this command is to provide protection against accidental changes. All supported command parameters may have their parameters read, regardless of the write_protect settings. The contents of this register can be stored to non-volatile memory using the Store_default_code command. The default setting of this register is disable_all_writes except write_protect 0x80h.

Enable all writes 00 Disable all writes except write_protect 80 Disable all writes except write_protect and OPERATION

FUNCTION DATA BYTE

@ 2500W; 3.3V

Data Sheet

or 5 V

Vout_Command (21) : This command is used to change the

output voltage of the power supply. Changing the output voltage should be performed simultaneously to all power supplies operating in parallel using the Global Address (Broadcast) feature. If only a single power supply is instructed to change its output, it may attempt to source all the required power which can cause either a power limit or shutdown condition.

Software programming of output voltage permanently overrides the set point voltage configured by the Vprog signal pin. The program no longer looks at the ‘Vprog pin’ and will not respond to any hardware voltage settings. If power is removed from the µController it will reset itself into its default configuration looking at the Vprog signal for output voltage control. In many applications, the Vprog pin is used for setting initial conditions, if different that the factory setting. Software programming then takes over once I established.

To properly hot-plug a power supply into a live backplane, the system generated voltage should get re-configured into either the factory adjusted firmware level or the voltage level reconfigured by the margin pin. Otherwise, the voltage state of the plugged in power supply could be significantly different than the powered system.

Vout_OV_warn_limit (42): OV_warning is extremely useful

because it gives the system controller a heads up that the output voltage is drifting out of regulation and the power supply is close to shutting down. Pre-amative action may be taken before the power supply would shut down and potentially disable the system.

OC and OT_fault_ response (47, 50): The default response for

both OC and OT is auto_restart (hiccup). Each register, individually, can be reconfigured into a latched state. Latched and hiccup are the only supported states.

Restart after a latch off: Either of four restart possibilities are

available. The hardware pin Remote ON/OFF may be turned OFF and then ON. The unit may be commanded to restart via i2c through the Operation command by first turning OFF then turning ON . The third way to restart is to remove and reinsert the unit. The fourth way is to turn OFF and then turn ON ac power to the unit. The fifth way is by changing firmware from latch off to restart. Each of these commands must keep the power supply in the OFF state for at least 2 seconds, with the exception of changing to restart.

A power system that is comprised of a number of power supplies could have difficulty restarting after a shutdown event because of the non-synchronized behavior of the individual power supplies. Implementing the latch-off mechanism permits a synchronized restart that guarantees the simultaneous restart of the entire system.

A synchronous restart can be implemented by;

1. Issuing a GLOBAL OFF and then ON command to all power supplies,

2. Toggling Off and then ON the Remote ON/OFF signal

3. Removing and reapplying input commercial power to the entire system.

The power supplies should be turned OFF for at least 20 – 30 seconds in order to discharge all internal bias supplies and reset the soft start circuitry of the individual power supplies.

@ 1A

C communications are

Page 12

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Auto_restart: Auto-restart is the default configuration for

recovering from over-current and over-temperature shutdowns.

An overvoltage shutdown is followed by three attempted restarts, each restart delayed 1 second, within a 1 minute window. If within the 1 minute window three attempted restarts failed, the unit will latch OFF. If less than 3 shutdowns occur within the 1 minute window then the count for latch OFF resets and the 1 minute window starts all over again.

Vin_UV_warn_limit (58): This is another warning flag

indicating that the input voltage is decreasing dangerously close to the low input voltage shutdown level.

Status_word (79): returns two bytes of information. The upper

byte bit functionality is tabulated in the Status_word section. The lower byte bit functionality is identical to Status_byte.

Fan_speed (D7): This register can be used to ‘read’ the fan

speed in adjustment percent (0 – 100%) or set the fan speed in adjustment percent (0 – 100%). The speed of the fan cannot be reduced below what the power supply requires for its operation. The register value is the percent number, it is not in linear format.

Invalid commands or data: The power supply notifies the

MASTER if a non-supported command has been sent or invalid data has been received. Notification is implemented by setting the appropriate STATUS and ALARM registers and setting the SMBAlert# flag.

If a non-supported read is requested the power supply will return all 0x00h.

Restart after a lachoff: To restart after a latch_off either of

four restart mechanisms are available. The hardware pin Remote ON/OFF may be turned OFF and then ON. The unit may be commanded to restart via i2c through the Operation command by first turning OFF then turning ON . The third way to restart is to remove and reinsert the unit. The fourth way is to turn OFF and then turn ON ac power to the unit. The fifth way is by changing firmware from latch off to restart. Each of these commands must keep the power supply in the OFF state for at least 2 seconds, with the exception of changing to restart.

A successful restart shall clear all alarm registers. A power system that is comprised of a number of power

supplies could have difficulty restarting after a shutdown event because of the non-synchronized behavior of the individual power supplies. Implementing the latch-off mechanism permits a synchronized restart that guarantees the simultaneous restart of the entire system.

A synchronous restart can be implemented by;

1. Issuing a GLOBAL OFF and then ON command to all power supplies,

2. Toggling Off and then ON the Remote ON/OFF signal

3. Removing and reapplying input commercial power to the entire system.

It is good practice to turn OFF the power supplies for about 20 – 30 seconds in order to discharge all internal bias supplies and reset the soft start circuitry of the individual power supplies.

@ 2500W; 3.3V

Data Sheet

or 5 V

Control and Read accuracy:

The estimates below are believed to be reasonable under most operating conditions. However, these are typical numbers and not hard bound values that cannot be exceeded. In most nominal operating conditions the returned values are significantly better than these estimates.

Vout_command ± 2% Vout_OV_fault_limit ± 3% Iout_OC_warn_limit

OT_warn_limit Vin_UV_warn_limit Vin_UV_fault_limit Read_Vin Read_Vout Read_Iout Read_temperature Read_Pin Read_Pout

EEPROM

The microcontroller has 96 bytes of EEPROM memory available for the system host.

A separate EEPROM IC, with write protect features, provides another 128 bytes of memory. Minimum information to be included in this separate EEPROM: model number, revision, date code, serial number etc.

LEDs

Two LEDs are located on the front faceplate. The INPUT OK LED provides visual indication of the INPUT signal function. When the LED is ON GREEN the power supply input is within normal design limits.

The second LED DC/FLT provides visual indication of three different states of the power supply. When the LED is GREEN then there are no faults and the DC output is present. When the LED is AMBER then a fault condition exists but the power supply still provides output power. When the LED is RED then a fault condition exists and the power supply does not provide output power.

@ 1A

FUNCTION

ACCURACY

± 4% of FL

± 5C ± 3% ± 3% ± 3% ± 2%

± 4% of FL

± 5C ±10%

±5%

Page 13

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Alarm Table

LED Indicator Monitoring Signals

LED1

Test Condition

1 Normal Operation

2 Low or NO INPUT Off

3 OVP

4 Over Current

5 Temp Alarm Warning

6 Fault Over Temp

7 Remote ON/OFF

Notes: Test condition #2 had 2 modules plug in. One module is running and the other one is with no AC.

Green Green

Green Red

Green Orange

Green Red

Outline Drawing

@ 2500W; 3.3V

or 5 V

Tri-Color LED2

DC / FLT FAULT DC OK INPUT OK TEMP OK

High High High High

Red

Low Low Low High

Low Low High High

High

Low Low High Low

Low Low High High

Data Sheet

@ 1A

High High Low

15.817 ±.020

15.375 ±.020

CHASSIS

airflow

AC OK

DC FLT

0.330

Page 14

Data Sheet

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Connector Pin Assignments

Input Mating Connector: IEC320, C19 type

Output Connector: Tyco P/N 6600122-7 or equivalent

Mating connector: Primary Source: FCI berg P/N 51915-176LF

Secondary Source: Tyco P/N 6450171-5

Pin Function Pin Function Pin Function Pin Function

A1 V

A2 PS Present B2 I Monitor (IMON) C2 No connect D2 OVP Test Point

A3 Signal Return B3 Enable C3 Over Temp Warning D3 Remote ON/OFF

A4 Write Protect (WP) B4 V

A5 Remote Sense (+) B5 SDA (I2C bus) C5 I2C Address (A1) D5 AC OK

A6 Remote Sense (-) B6 SCL (I2C bus) C6 I2C Address (A2) D6 SMBAlert

P1 – P6 Output Return P7– P12 +12Vout

[3.3V] B1 Fault C1 IShare D1 VProg

STDBY

@ 2500W; 3.3V

or 5 V

@ 1A

[3.3V] Return C4 I2C Address (A0) D4 DC OK

STDBY

Page 15

Data Sheet

CAR2512FP series rectifier

Input: 90VAC to 264VAC; Output: 12 V

Ordering Information

Please contact your GE Energy Sales Representative for pricing, availability and optional features.

PRODUCT DESCRIPTION PART NUMBER

2500W Front-End +12Vout Front-End, 3.3Vaux, with face plate and PMBus interface, RoHS 6 of 6 CAR2512FPBXXZ01A

2500W Front-End +12Vout Front-End, 5Vaux, with face plate and PMBus interface, RoHS 6 of 6 CAR2512FPBC5Z01A

@ 2500W; 3.3V

or 5 V

@ 1A

PART NUMBER DEFINITION GUIDE EXAMPLE

CAR 25 12 FP x x x Z 01 A

A – Standard

Output Power 25 = 250W

Output voltage 12 = 12Vdc

Type FP – AC; V DC - DC

positive

Options B – bezel C – i2c option R – reverse airflow Vsb = 3

model

RTM

RoHS Blank – non compliant Y – 5 of 6 compliant Z – 6 of 6 compliant

For more information, call us at

USA/Canada:

+1 888 546 3243, or +1 972 244 9288

Asia-Pacific:

+86.021.54279977*808

Europe, Middle-East and Africa:

+49.89.878067-280

India:

+91.80.28411633

www.ge.com/powerelectronics

GE Industrial Solutions CAR2512FP User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual