Datasheet MCP8063 Datasheet

MCP8063

4x4 DFN*

* Includes Exposed Thermal Pad (EP); see Ta bl e 3 -1 .

Top V i ew

OUT1

V

BIAS

OUT2

V

DD

OUT3

1

2

3

4

8

7

6

5

GND

PWMFG

EP

9

MCP8063

3-Phase Brushless Sinusoidal Sensorless Motor Driver

Features

• Automotive AEC-Q100 Qualified, PPAP available
upon request

• Position Sensorless BLDC Drivers (no Hall
Sensor required)

• 180° Sinusoidal Drive for High Efficiency and Low
Acoustic Noise

• Supports 2V to 14V Power Supplies

• Speed Control through Power Supply Modulation
(PSM) and/or Pulse-Width Modulation (PWM)

• Built-In Frequency Generator (FG output signal)

• Built-In Lock-Up Protection and Automatic
Recovery Circuit (external capacitor not
necessary)

• Built-In Overcurrent Limitation (1.5A)

• Built-In Overvoltage Protection

• Built-In Thermal Shutdown Protection

• Thermally Enhanced 8-Lead 4 mm x 4 mm DFN
Package with Exposed Pad

• 23 kHz PWM Output Frequency

• No External Tuning Required

• Optimized for Fan Cooling Systems

Typical Applications

• Silent Notebook CPU/GPU Cooling Fans

• Air Ventilation System

• 12V 3-Phase BLDC Motors

Description

The MCP8063 device is a highly integrated 3-phase,
full-wave sensorless driver for brushless motors. It
features a 180° sinusoidal drive, high torque output,
and silent drive. Its integrated features and the wide
power supply range (2V to 14V) make the MCP8063 an
ideal candidate for a broad range of motor
characteristics, requiring no external tuning. Speed
control can be achieved through either power supply
modulation (PSM) or pulse-width modulation (PWM).

Due to the compact packaging and minimum bill of
materials (power transistors integrated, no Hall sensor,
no external tuning), the MCP8063 is optimized for fan
applications that require high efficiency and low
acoustic noise at competitive costs. Frequency
generator output enables precision speed control in
closed-loop applications. The MCP8063 driver
includes a Lock-Up Protection mode, which turns off
the output current when the motor is under lock
condition, and an automatic recovery that enables the
fan to restart when the lock condition is removed.
Features such as motor overcurrent limitation and
thermal shutdown protection improve motor system
reliability without additional efforts from design
engineers.

The MCP8063 is available in a compact
thermally-enhanced 8-lead 4 mm x 4 mm DFN
package with exposed pad.

Package Types

 2014 Microchip Technology Inc. DS20005257B-page 1

MCP8063

Thermal

Protection

V

BIA S

OUT1

OUT2

MCU

PWM

FG

OUT3

V

DD

Output Drive Circu it

Motor Phase

Detection Circuit

Overcurrent

Limitation

PWM

Input

V

DD

Regulator

V

REF

GND

V

BIA S

Functional Block Diagram

DS20005257B-page 2  2014 Microchip Technology Inc.

Typical Application – Fan Motor Driver Using the MCP8063

Recommended External Components for Typical Application

Element Type/Value Comment

C

1

≥1 µF Connect as close as possible to IC input pins

C

2

≥10 µF Connect as close as possible to IC input pins

R

1

≥10 kΩ Connect to V

logic

on controller side

OUT1

FG

V

BIA S

OUT2 GND

V

DD

PWM

OUT3

1

2

3

45

6

7

8

MCP8063

V

DD

PWM Input

(0.02-100 kHz)

C

1

C

2

R

1

V

LOGIC

(Controller Side)

9

EP

MCP8063

 2014 Microchip Technology Inc. DS20005257B-page 3

MCP8063

1.0 ELECTRICAL CHARACTERISTICS

† Notice: Stresses above those listed under “Maximum

Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those

Absolute Maximum Ratings†

Power Supply Voltage (V
Maximum OUT1,2,3 Voltage (V
Maximum Output Current
FG Maximum Output Voltage (V
FG Maximum Output Current (I

Maximum Voltage (V

V

BIAS

PWM Maximum Voltage (V
Maximum Junction Temperature (T

HBM ESD protection on all pins.......................................4 kV

) .................... -0.7 to +16.0V

DD_MAX

(1)

(I

OUT_MAX

BIAS_MAX

PWM_MAX

OUT_MAX

FG_MAX

) ........ -0.7 to +16.0V

) ...........-1.7A to +1.7A

) ......... -0.7 to +16.0V

FG_MAX

) .....................5.0 mA

) ................ -0.7 to +4.0V

) ................ -0.7 to +4.0V

)..........................+150°C

J

indicated in the operational listings of this specification
is not implied. Exposure to maximum rating conditions
for extended periods may affect device reliability.

Note 1: OUT1, OUT2, OUT3 (Continuous,

100% duty cycle).

ELECTRICAL CHARACTERISTICS

Electrical Specifications: Unless otherwise specified, all limits are established for V

Temperature = +25°C.

Parameters Sym. Min. Typ. Max. Units Conditions

Power Supply Voltage V

Power Supply Current I

OUT1/2/3

R

DD

VDD

ON(H)

2—14V

—
—

10 —

5 Lock-Protection Mode

—

mAmARotation Mode

—0.6 1 Ω I

High Resistance

OUT1/2/3

R

ON(L)

—0.6 1 Ω I

Low Resistance

OUT1/2/3

R

ON(H+L)

—1.2 2 Ω I

Total Resistance

OUT1/2/3 Maximum

I

OUT_LIM

1.4 1.5 1.6 A Note 1

Current Limitation

V

Output Voltage V

BIAS

PWM Input Frequency f

PWM Input H Level V

PWM Input L Level V

PWM Internal Pull-Up
Current

PWM Output

BIAS

PWM

PWM_H

PWM_L

I

PWM_L

f

PWM_O

—
—

3——VVDD= 3.3V to 14V

VDD–0.2 V VDD<3.3V

0.02 — 100 kHz

0.8 × V

BIAS

0—

—3.6V

0.2 × V

BIAS

V

17 34 — µA PWM = GND, VDD= 3.3V to 14V

8 17 — µA PWM = GND, V

—23—kHz

Frequency

FG Output Pin Low

V

OL_FG

— — 0.25 V IFG=-1 mA

Level Voltage

FG Output Pin Leakage

I

LH_FG

——10µAV

Current

Lock Protection

T

RUN

—0.5— s

Operating Time

Lock Protection

T

WAIT

4.0 4.5 5.0 s

Waiting Time

Note 1: Minimum and maximum parameter is not production tested and is specified by design and validation.

Reference PCB, according to JEDEC standard EIA/JESD 51-9.

= 12.0V,

DD

=0.5A, VDD= 3.3V to 14V

OUT

(Note 1)

= -0.5A, VDD= 3.3V to 14V

OUT

(Note 1)

=0.5A, VDD= 3.3V to 14V

OUT

(Note 1)

<3.3V

DD

=14V

FG

DS20005257B-page 4  2014 Microchip Technology Inc.

MCP8063

0

0.5

1

1.5

2

2.5

-10

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

P

DMAX

(W)

DFN-8

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise specified, all limits are established for V

Temperature = +25°C.

Parameters Sym. Min. Typ. Max. Units Conditions

Thermal Shutdown T

Thermal Shutdown
Hysteresis

Input Over Voltage V

Note 1: Minimum and maximum parameter is not production tested and is specified by design and validation.

Reference PCB, according to JEDEC standard EIA/JESD 51-9.

T

SD_HYS

SD

OV

— 170 — °C

—25—°C

—18.5— V

TEMPERATURE SPECIFICATIONS

Electrical Specifications: Unless otherwise specified, all limits are established for V

Parameters Sym. Min. Typ. Max. Units Conditions

Temperature Ranges

Operating Temperature T

Storage Temperature Range T

Package Thermal Resistances

Thermal Resistance, 8LD 4x4 DFN 

Note 1: Minimum and maximum parameter is not production tested and is specified by design and validation.

Derating applies for ambient temperatures outside the specified operating range (refer to Figure 1-1).

OPR

STG

JA



JC

-40 — +125 °C

-55 — +150 °C

—48—°C/W

—7—°C/W

= 12.0V,

DD

= 12.0V, TA=+25°C.

DD

TA(°C)

FIGURE 1-1: Allowable Power Dissipation (P

) as a Function of Ambient Temperature (TA).

D_MAX

 2014 Microchip Technology Inc. DS20005257B-page 5

MCP8063

-2

0

2

4

6

8

10

12

14

16

-40 -25 -10 5 20 35 50 65 80 95 110 125

(%)

VDD= 2V

0

0.5

1

1.5

2

2.5

3

3.5

-40 -25 -10 5 20 35 50 65 80 95 110 125

BIAS

VDD= 2V

VDD= 3.3V

VDD= 14V

25

30

35

40

45

-40 -25 -10 5 20 35 50 65 80 95 110 125

IL

BIAS

VDD= 14V

VDD= 2V

50

55

60

65

70

-40 -25 -10 5 20 35 50 65 80 95 110 125

IH

BIAS

VDD= 14V

VDD= 2V

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

-40 -25 -10 5 20 35 50 65 80 95 110 125

ON

R

ON(H)

R

ON(L)

6.6

6.8

7

7.2

7.4

7.6

7.8

8

8.2

-40 -25 -10 5 20 35 50 65 80 95 110 125

I

VDD

Current (mA)

VDD= 14V

2.0 TYPICAL PERFORMANCE CURVES

Note: The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

Note: Unless otherwise indicated, T

Oscillator Frequency Deviation

Temperature (C°)

=+25°C, VDD= 14V, OUT1, 2, 3 and PWM open.

A

V

= 14V

FIGURE 2-1: Oscillator Frequency Deviation vs. Temperature.

(V)

V

75

)

(% of V

PWM V

Temperature (C°)

FIGURE 2-4: Input (PWM) V
Temperature.

(ȍ)

R

IH

vs.

FIGURE 2-2: Internal Regulated Voltage
(V

) vs. Temperature.

BIAS

50

)

(% of V

PWM V

FIGURE 2-3: Input (PWM) V
Temperature.

DS20005257B-page 6  2014 Microchip Technology Inc.

Temperature (C°)

Temperature (C°)

IL

vs.

Temperature (C°)

FIGURE 2-5: Output R
Temperature (V

=3.3V).

DD

Temperature (C°)

Resistance vs.

ON

FIGURE 2-6: Supply Current vs. Temperature.

MCP8063

0.04

0.05

0.06

0.07

0.08

0.09

0.1

0.11

0.12

-40 -25 -10 5 20 35 50 65 80 95 110 125

VDD= 3.3V

VDD= 2V

-40

-35

-30

-25

-20

-15

-10

-5

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

VDD= 2V

VDD= 14V

Note: Unless otherwise indicated, T

FG Pin Drive (V)

Temperature (C°)

=+25°C, VDD= 14V, OUT1, 2, 3 and PWM open.

A

FIGURE 2-7: FG Output Pin Low Level
Voltage (I

=-1mA).

FG

FIGURE 2-10: Typical Outputs on Closed Loop.

PWM Pull-Up Current (µA)

FIGURE 2-8: PWM Pull-Up Current vs. Temperature.

FIGURE 2-9: Typical Output on Start-Up.

 2014 Microchip Technology Inc. DS20005257B-page 7

Temperature (C°)

FIGURE 2-11: Typical Ro t o r L oc k S it u ati o n.

MCP8063

3.0 PIN DESCRIPTIONS

The descriptions of the pins are listed in Ta bl e 3- 1.

TABLE 3-1: MCP8063 PIN FUNCTION TABLE

MCP8063

4x4 DFN

1 FG O Motor Speed Indication Output Pin

2V

3 OUT1 O Single-Phase Coil Output Pin

4 OUT2 O Single-Phase Coil Output Pin

5 GND P Negative Voltage Supply Pin (Ground)

6 OUT3 O Single-Phase Coil Output Pin

7V

8 PWM I PWM Input Signal for Speed Control Pin

9 EP P Exposed pad is used for thermal dissipation. Connect to GND.

Legend: I = Input; O = Output; P = Power

Symbol Type Description

BIAS

DD

P Internal Regulator Output Pin (for decoupling only)

P Positive Voltage Supply for Motor Driver Pin

DS20005257B-page 8  2014 Microchip Technology Inc.

MCP8063

FG 720



PS





-----------------------

Where:

P=

Total number of poles in the motor

S=Total number of slots in the motor

= Rotor speed RPM

+145°C

+170°C

4.0 FUNCTIONAL DESCRIPTION

The MCP8063 device generates a full-wave signal to
drive a 3-phase sensorless BLDC motor. High
efficiency and low power consumption are achieved
due to DMOS transistors and synchronous rectification
drive type. The current carrying order of the output is as
follows: OUT1  OUT2  OUT3.

4.1 Speed Control

The rotational speed of the motor can be controlled
either through the PWM digital input signal or by
varying the power supply (V
is “High” (or left open), the motor rotates at full speed.
When the PWM signal is “Low”, the motor is stopped
(and the driver outputs are set to high impedance). By
changing the PWM duty cycle, the speed can be
adjusted. Notice that the PWM frequency has no
special meaning for the motor speed and is
asynchronous with the activation of the output
transistors. Thus, the user has maximum freedom to
choose the PWM system frequency within a wide range
(from 20 Hz to 100 kHz), while the output transistor
activation always occurs at a fixed rate, which is
outside the range of audible frequencies. The typical
output frequency of MCP8063 is 23 kHz.

4.2 Frequency Generator Function

The Frequency Generator output is a “Hall-sensor
equivalent” digital output, giving information to an
external controller about the speed and phase of the
motor. The FG pin is an open-drain output, connecting
to a logical voltage level through an external pull-up
resistor. When a lock (or out-of-sync) situation is
detected by the driver, this output is set to high
impedance until the motor is restarted. Leave the pin
open when not used. The FG signal can be used to
compute the motor speed in rotations per minute
(RPM). Typically, for a four-pole BLDC fan (4P/6S), the
speed in RPMs is 30 x FG frequency (Hz).

). When the PWM signal

DD

4.3 Lock-Up Protection and Automatic Restart

If the motor is stopped (blocked) or if it loses
synchronization with the driver, a lock-up protection
circuit detects this situation and ties the outputs to GND
in order to dissipate the remaining energy from the
rotor with a minimum of self heating. After a “waiting
time” (T
normal operation resumes for a given time (T
case the motor is still blocked, a new period of waiting
time is started. T
internally, so that no external capacitor is needed.

), the lock-up protection is released and

WAIT

WAIT

and T

timings are fixed

RUN

RUN

). In

4.4 Overcurrent Limitation

The motor peak current is limited by the driver to a fixed
value (defined internally), thus limiting the maximum
power dissipation in the coils.

4.5 Thermal Shutdown

The MCP8063 device has a thermal protection function
which detects when the die temperature exceeds
TSD= +170°C. When this temperature is reached, the
circuit enters Thermal Shutdown mode and the outputs
OUT1, OUT2 and OUT3 are tied to GND in order to
dissipate the remaining energy from the rotor with a
minimum of self-heating. Once the junction
temperature (T
normal operation resumes (the thermal detection
circuit has +25°C hysteresis function).

Normal operation

) has dropped below +145°C, the

SD

Thermal Shutdown

T

SD

EQUATION 1-1:

 2014 Microchip Technology Inc. DS20005257B-page 9

FIGURE 4-1: Thermal Protection Hysteresis.

4.6 Internal Voltage Regulator

V

voltage is generated internally and is used to

BIAS

supply internal logical blocks. The V
connect an external decoupling capacitor (1 µF or
higher). Notice that this pin is for IC internal use and is
not designed to supply DC current to external blocks.

pin is used to

BIAS

4.7 Overvoltage Shutdown

The MCP8063 device has an overvoltage protection
function which detects when the V
V

= +18.5V. When this temperature is reached, the

OV

circuit enters Thermal Shutdown mode, and outputs
OUT1, OUT2 and OUT3 are disabled (high impedance).

voltage exceeds

DD

MCP8063

Legend: XX...X Customer-specific information

Y Year code (last digit of calendar year)
YY Year code (last 2 digits of calendar year)
WW Week code (week of January 1 is week ‘01’)
NNN Alphanumeric traceability code
Pb-free JEDEC

®

designator for Matte Tin (Sn)

* This package is Pb-free. The Pb-free JEDEC designator ( )

can be found on the outer packaging for this package.

Note: In the event the full Microchip part number cannot be marked on one line, it will

be carried over to the next line, thus limiting the number of available
characters for customer-specific information.

3

e

8-Lead DFN (4x4x0.9 mm) Example

YYWW

NNN

XXXXXX

XXXXXX

PIN 1

PIN 1

8063

300EMD

1442

256

5.0 PACKAGING INFORMATION

5.1 Package Marking Information

3

e

DS20005257B-page 10  2014 Microchip Technology Inc.

8-Lead Plastic Dual Flat, No Lead Package (MD) – 4x4x0.9 mm Body [DFN]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at

http://www.microchip.com/packaging

Microchip Technology Drawing C04-131E Sheet 1 of 2

MCP8063

 2014 Microchip Technology Inc. DS20005257B-page 11

MCP8063

8-Lead Plastic Dual Flat, No Lead Package (MD) – 4x4x0.9 mm Body [DFN]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at

http://www.microchip.com/packaging

Microchip Technology Drawing C04-131E Sheet 2 of 2

DS20005257B-page 12  2014 Microchip Technology Inc.

Note: For the most current package drawings, please see the Microchip Packaging Specification located at

http://www.microchip.com/packaging

MCP8063

 2014 Microchip Technology Inc. DS20005257B-page 13

MCP8063

NOTES:

DS20005257B-page 14  2014 Microchip Technology Inc.

APPENDIX A: REVISION HISTORY

Revision B (November 2014)

The following is the list of modifications:

1. Changed FG Maximum Output Voltage values

under Absolute Maximum Ratings† section

2. Changed Power Supply Voltage value under

Absolute Maximum Ratings† section.

3. Added Input Overvoltage Value in Electrical

Characteristics table.

4. Minor typographical corrections.

Revision A (February 2014)

• Original Release of this Document.

MCP8063

 2014 Microchip Technology Inc. DS20005257B-page 15

MCP8063

NOTES:

DS20005257B-page 16  2014 Microchip Technology Inc.

PRODUCT IDENTIFICATION SYSTEM

Device: MCP8063: 3-Phase BLDC Sinusoidal Sensorless Motor Driver

MCP8063T: 3-Phase BLDC Sinusoidal Sensorless Motor Driver

(Tape and Reel)

Temperature
Range:

E = -40°C to +125°C (Extended)

Package: MD =

8-Lead Plastic Dual Flat, No Lead – 4x4x0.9 mm Body (DFN)

Examples:

a) MCP8063-E /MD: E xtended temperature,

8LD 4x4 DFN package

b) MCP8063T-E/MD: Extended temperature,

8LD 4x4 DFN package,
Tape and Reel

PART NO. -X /XX

Package

Tube/Tape and Reel

Device

X

Temperature

Range

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.

MCP8063

 2014 Microchip Technology Inc. DS20005257B-page 17

MCP8063

NOTES:

DS20005257B-page 18  2014 Microchip Technology Inc.

Note the following details of the code protection feature on Microchip devices:

YSTEM

CERTIFIED BY DNV

== ISO/TS 16949 ==

• Microchip products meet the specification contained in their particular Microchip Data Sheet.

• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.

• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

• Microchip is willing to work with the customer who is concerned about the integrity of their code.

• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
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Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
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Analog-for-the-Digital Age, BodyCom, chipKIT, chipKIT logo,
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Serial Programming, ICSP, Inter-Chip Connectivity, KleerNet,
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All other trademarks mentioned herein are property of their
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© 2014, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.

ISBN: 978-1-63276-791-2

EELOQ, KEELOQ logo, Kleer,

32

logo, RightTouch, SpyNIC,

QUALITY MANAGEMENT S

 2014 Microchip Technology Inc. DS20005257B-page 19

Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
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are for its PIC
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
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and manufacture of development systems is ISO 9001:2000 certified.

®

MCUs and dsPIC® DSCs, KEELOQ

®

code hopping

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China - Hong Kong SAR

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China - Nanjing

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China - Qingdao

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China - Shanghai

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China - Shenyang

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China - Shenzhen

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China - Wuhan

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China - Xian

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China - Xiamen

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China - Zhuhai

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ASIA/PACIFIC

India - Bangalore

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India - New Delhi

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India - Pune

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Japan - Osaka

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Japan - Tokyo

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Korea - Daegu

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Korea - Seoul

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82-2-558-5934

Malaysia - Kuala Lumpur

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Malaysia - Penang

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Philippines - Manila

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Singapore

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Tai wan - Hsin Chu

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Taiwan - Kaohsiung

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Taiwan - Taipei

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Thailand - Bangkok

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EUROPE

Austria - Wels

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Denmark - Copenhagen

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France - Paris

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Germany - Dusseldorf

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Germany - Munich

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Germany - Pforzheim

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Italy - Milan

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Italy - Venice

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Netherlands - Drunen

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Poland - Wars a w

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Spain - Madrid

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Sweden - Stockholm

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UK - Wokingham

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03/25/14

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