The HIP1011 is the PCI Hot Plug voltage bus control IC f or
use in modern computer systems that facilitates hot plugging
of adapter cards into and out of an active or passive back
plane. Along with discrete power MOSFETs and a few
passivecomponents, the HIP1011 creates a small and simple
yet complete power control solution. F our independent
supplies are controlled, +5V, +3.3, +12V, and -12V. The +12V
and -12V switches are integrated. F or the +5V and +3.3V
supplies, overcurrent protection is provided by sensing the
voltage across external current-sense resistors. For the +12V
and -12V supplies, overcurrent protection is provided
internally . In addition, an on-chip reference is used to monitor
the +5V, +3.3V and +12V outputs for undervoltage conditions.
The PWRON input controls the state of the switches. During
an overcurrent condition on any output, or an undervoltage
condition on the +5V, +3.3V or +12V outputs, all MOSFETs
are immediately latched-off and a LOW (0V) is asserted on
the FLTN output. The FLTNlatchiscleared when the PWRON
input is toggled low again. During initial power-up of the main
supply (+12V), the PWRON input is inhibited from
V
CC
turning on the switches, and the latch is held in the Reset
state until the V
input is greater than 10V.
CC
User programmability of the overcurrent threshold and turn-on
slew rate is provided. A resistor connected to the OCSET pin
programs the overcurrent threshold. Capacitors connected to
the gate pins set the turn-on rate. Also, a capacitor may be
added to the FLTN pin to provide noise immunity.
Ordering Information
TEMP.
PART NUMBER
HIP1011CB0 to 7016 Ld SOICM16.15
HIP1011CB-T0 to 70Tape and Reel
RANGE (oC)PACKAGE
PKG.
NO.
Features
• Controls Distribution of Four Supplies: +5V, +3.3V, +12V,
and -12V
• Internal MOSFET Switches for +12V and -12V Outputs
• Microprocessor Interface for On/Off Control and Fault
Reporting
• Adjustable Overcurrent Protection for All Supplies
• Provides Fault Isolation
• Adjustable Turn-On Slew Rate
• Minimum Parts Count Solution
• No Charge Pump
Applications
• PCI Hot Plug
• CompactPCI
Pinout
HIP1011
(SOIC)
TOP VIEW
M12VIN
FLTN
3V5VG
V
CC
12VIN
3VISEN
3VS
OCSET
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
M12VO
M12VG
12VG
GND
12VO
5VISEN
5VS
PWRON
Typical Application
3.3V INPUT
-12V INPUT
12V INPUT
POWER CONTROL INPUT
2-1
3.3V,
7.6A OUT0.5A OUT0.1A OUT5A OUT
5mΩ, 1%
6.04kΩ
1%
FAULT OUTPUT (ACTIVE LOW)
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1M12VIN-12V Input-12V Supply Input. Also provides power to the -12V overcurrent circuitry.
2FLTNFault Output5V CMOS Fault Output; LOW = FAULT. An optional capacitor may be place from this pin to
ground to provide additional immunity from power supply glitches.
33V5VG3.3V/5V Gate Output Drive the gates of the 3.3V and 5V MOSFETs. Connect a capacitor to ground to set the start-
up ramp. During turn on, this capacitor is charged with a 25µA current source.
4VCC12V VCC InputConnect to unswitched 12V supply.
512VIN12V InputSwitched 12V supply input.
63VISEN3.3V Current SenseConnect to the load side of the current sense resistor in series with source of external 3.3V
MOSFET.
73VS3.3V SourceConnect to source of 3.3V MOSFET. This connection along with pin 6 (3VISEN) senses the
voltage drop across the sense resistor.
8OCSETOvercurrent SetConnect a resistor from this pin to ground to set the overcurrent trip point of all four switches. All
four over current trips can be programmed by changing the value of this resistor. The default
(6.04kΩ, 1%) is compatible with the maximum allowable currents as outlined in the PCI specifi-
cation.
9PWRONPower On ControlControls all four switches. High to Turn Switches ON, Low to turn them OFF.
105VS5V SourceConnect to source of 5V MOSFET switch. This connection along with pin 11(5VISEN) senses
the voltage drop across the sense resistor.
115VISEN5V Current SenseConnectto the load side of the current senseresistorinserieswithsourceof external 5V MOSFET .
1212VOSwitched 12V Output Switched 12V output.
13GNDGroundConnect to common of power supplies.
1412VGGate of Internal
PMOS
15M12VGGate of Internal
NMOS
16M12VOSwitched -12V
Output
Connect a capacitor between 12VG and 12VO to set the start up ramp for the +12V supply.
This capacitor is charged with a 25µA current source during start -up. The 3.3V and 5V UV
circuitry is enabled after the voltage on 12VG is less than 400mV. Therefore, if the capacitor
on the pin 3 (3V5VG) is more than 25% larger than the capacitor on pin 14 (12VG) a false UV
may be detected during start up.
Connectacapacitorbetween M12VG andM12VOto set the startupramp for the M12Vsupply.
This capacitor is charged with 25µA during start up.
Temperature Range (TA) . . . . . . . . . . . . . . . . . . . . . . . 0oC to 70oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. θJA is measured with the component mounted on an evaluation PC board in free air.
2. All voltages are relative to GND, unless otherwise specified.
3VS Input Bias CurrentIB
3VISEN Input Bias CurrentIB
Gate Output Charge CurrentIC
Gate Turn-On Time (PWRON High to
3VS
3VISEN
3V5VG
t
ON3V5V
3V5VG = 11V)
Gate Turn-Off Timet
OFF3V5V
Gate Turn-Off TimeC
See Figure 1, Typical Application-7.1-A
V
= 1.2V667279mV
OCSET
C
= 0.022µF, C
3V5VG
RL = 1Ω
PWRON = High-40-26-20µA
PWRON = High-160-140-110µA
See Figure 1, Typical Application-9.0-A
V
= 1.2V8895102mV
OCSET
C
= 0.022µF, C
3V5VG
RL = 0.43Ω
PWRON = High-40-26-20µA
PWRON = High-160-140-110µA
PWRON = High, V
C
= 0.1µF-280500µs
3V5VG
C
= 0.1µF, 3V5VG from 9.5 V to 1V-1317µs
3V5VG
=0.022µF,3V5VGFalling 90% to
3V5VG
10%
4.424.64.75V
-150350ns
5VOUT
= 2000µF,
-6.5-ms
2.742.862.97V
-150350ns
= 2000µF,
3VOUT
= 2V22.525.027.5µA
3V5VG
-6.5-ms
-2-µs
2-4
HIP1011
Electrical SpecificationsNominal 5V and 3.3V Input Supply Voltages,
VCC = 12VIN = 12V, M12VIN = -12V, TA = TJ= 0 to 70oC, Unless Otherwise Specified (Continued)
PARAMETERSYMBOLTEST CONDITIONSMINTYPMAXUNITS
+12V SUPPLY CONTROL
On Resistance of Internal PMOSr
Overcurrent ThresholdI
12V Undervoltage Trip ThresholdV
Undervoltage Fault Response Timet
Gate Charge CurrentIC
Turn-On Time (PWRON High to
DS(ON)12
OC12V
12VUV
12VUV
12VG
t
ON12V
12VG = 1V)
Turn-Off Timet
OFF12V
Turn-Off TimeC
-12V SUPPLY CONTROL
On Resistance of Internal NMOSr
Overcurrent ThresholdI
Gate Output Charge CurrentIC
Turn-On Time (PWRON High to
DS(ON)M12
OCM12V
M12VG
t
ONM12V
M12VG = -1V)
Turn-On Time (PWRON High to
M12VO = -10.8V)
Turn-Off Timet
OFFM12V
Turn-Off TimeC
M12VIN Input Bias CurrentIB
M12VIN
CONTROL I/O PINS
Supply CurrentI
OCSET CurrentI
Overcurrent Fault Response Timet
PWRON Threshold VoltageV
FLTN Output Low VoltageV
FLTN Output High VoltageV
FLTN Output Latch ThresholdV
12V Power On Reset ThresholdV
VCC
OCSET
OC
THPWRON
FLTN,OLIFLTN
FLTN,OHIFLTN
FLTN,TH
POR,TH
PWRON = High, ID= 0.5A, TA=TJ=25oC0.18.3000.350Ω
V
= 1.2V1.251.501.8A
OCSET
PWRON = High, V
C
= 0.022µF-1620ms
12VG
C
= 0.1µF, 12VG-912µs
12VG
= 0.022µF, 12VG Rising
12VG
10% - 90%
PWRON = High, ID = 0.1A,
TA = TJ = 25oC
V
= 1.2V0.300.370.50A
OCSET
PWRON = High, V
C
= 0.022µF-160300µs
M12VG
C
= 0.022µF, C
M12VG
RL = 120Ω
C
= 0.1µF, M12VG-1823µs
M12VG
= 0.022µF, M12VG Falling 90%
M12VG
to 10%
PWRON = High-22.6mA
= 2mA-0.60.9V
= 0 to -4mA3.94.34.9V
VCC Voltage Falling9.41010.6V
10.510.811.15V
-150-ns
= 3V23.525.028.5µA
12VG
-3-µs
0.50.70.9Ω
= -4V22.52527.5µA
M12VG
M12VO
= 50µF,
-16-ms
-3-µs
455.8mA
95100105µA
-500960ns
0.81.62.1V
1.82.33V
2-5
Typical Performance Curves
HIP1011
340
320
+12 (mΩ)
ON
300
PMOS r
280
260
05 10 15 20 25 30 35 40 45 50 55 60 65 70
NMOS -12 r
ON
PMOS +12 r
TEMPERATURE (oC)
ON
FIGURE 1. rON vs TEMPERATUREFIGURE 2. UV TRIP vs TEMPERATURE
10.84
10.83
1000
900
800
700
600
-12 (mΩ)
ON
NMOS r
4.632
4.631
4.630
4.629
5V UVTRIP (V)
4.628
4.627
4.626
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70
TEMPERATURE (oC)
100
90
3V OCVth
5 UV
3.3 UV
2.862
2.861
2.860
3.3V UVTRIP (V)
2.859
2.858
12 UV TRIP (V)
10.82
10.81
05 10 15 20 25 30 35 40 45 50 55 60 65 70
TEMPERATURE (oC)
FIGURE 3. 12 UV TRIP vs TEMPERATUREFIGURE 4. OCVth vs TEMPERATURE (VR
102
101
100
IOC SET (µA)
99
98
05 10 15 20 25 30 35 40 45 50 55 60 65 70
80
OC Vth (mV)
70
60
05 10 15 20 25 30 35 40 45 50 55 60 65 70
TEMPERATURE (oC)
FIGURE 5. OCSET I vs TEMPERATURE
TEMPERATURE (oC)
5V OCVth
OCSET
= 1.21V)
2-6
HIP1011
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
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