MP6539

100V, Three-Phase, BLDC Motor

Pre-Driver with HS & LS Inputs

MP6539 Rev. 1.01

www.MonolithicPower.com

1

4/20/2018

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© 2018 MPS. All Rights Reserved.

DESCRIPTION

The MP6539 is a gate driver IC designed for

three-phase,

brushless

DC

motor

driver

applications. The MP6539 is capable of driving

three half-bridges consisting of six N-channel

power MOSFETs up to 100V.

The MP6539 uses a bootstrap capacitor to

generate a supply voltage for the high-side

MOSFET driver. An internal charge pump

maintains the high-side gate driver if the output

is held high for an extended period of time.

Full protection features include programmable

over-current protection (OCP), adjustable dead-

time control, under-voltage lockout (UVLO), and

thermal shutdown.

The

MP6539

is

available

in

TSSOP-28

(9.7mmx6.4mm)

and

QFN-28

(4mmx5mm)

packages with an exposed thermal pad.

FEATURES

 Supports 100V Operation

 120V V

 Internal LDO Supports External NPN for

High-Current Drive Requirements

 Integrated Current-Sense Amplifier

 Low-Power Sleep Mode for Battery-

Powered Applications

 Programmable Over-Current Protection

(OCP) for External MOSFETs

 Adjustable Dead-Time Control to Prevent

Shoot-Through

 Thermal Shutdown and Under-Voltage

Lockout (UVLO) Protection

 Fault Indication Output

 Available in Thermally Enhanced Surface-

Mounted TSSOP and QFN Packages

APPLICATIONS

 Three-Phase Brushless DC Motors and

Permanent Magnet Synchronous Motors

 Power Drills

 E-Bikes

All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For

MPS green status, please visit the MPS website under Quality Assurance.

“MPS”

and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

LSS

LSA

LSB

LSC

OCREF

nFAULT

VIN

MP6539

Exposed GND

PAD

HSA

HSB

HSC

GLA

GHA

SHA

Phase A

(repeat for B and C)

To Phase B

To Phase C

GND

BSTA

VDD

nSLEEP

VIN

LDO

DT

CSO