Datasheet > MP6538

MP6538

更新时间： 2022-02-26 13:24:17

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
14页	747K
描述
100V, Three-Phase, BLDC Motor Pre-Driver with Hall Signal Interface

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MP6538 数据手册

MP6538

100V, Three-Phase, BLDC Motor

Pre-Driver with Hall Signal Interface

DESCRIPTION

FEATURES

The MP6538 is a gate driver IC designed for

three-phase, brushless DC motor driver

applications. The MP6538 is capable of driving

three half-bridges consisting of six N-channel

power MOSFETs up to 100V.



Supports 100V Operation

Hall Sensor Inputs

120V V_BSTMaximum Voltage

Internal LDO Supports External NPN for

High-Current Drive Requirements

Integrated Current-Sense Amplifier

Low-Power Sleep Mode

Programmable Over-Current Protection

(OCP) of External MOSFETs

Adjustable Dead-Time Control to Prevent

Shoot-Through

Thermal Shutdown and Under-Voltage

Lockout (UVLO) Protection

Fault Indication Output

Available in a Thermally Enhanced Surface-

Mounted QFN-28 (4mmx5mm) Package



The MP6538 uses 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 MP6538 has three hall-sensor inputs.

Commutation logic is determined by three Hall

element inputs spaced at 120°. The PWM, DIR,

and nBRAKE inputs are used to control motor

speed, position, and torque.

APPLICATIONS



Three-Phase Brushless DC Motors and

Permanent Magnet Synchronous Motors

Power Drills



The MP6538 is available in a QFN-28

(4mmx5mm) package with an exposed thermal

pad.

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

VIN

LDO

VIN

VREG

BSTA

nFAULT

GHA

SHA

MP6538

PWM

DIR

nBRAKE

Exposed GND

PAD

GLA

LSS

nSLEEP

OCREF

CSO

Phase A

(repeat for B and C)

To Phase B

To Phase C

GND

MP6538 Rev. 1.01

4/20/2018

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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