MP6543 – 12V, 2A, THREE-PHASE POWER STAGE

MP6543 Rev. 1.01

www.MonolithicPower.com

3

1/15/2020

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PACKAGE REFERENCE

TOP VIEW

MP6543

TOP VIEW

MP6543A

TOP VIEW

MP6543B

QFN-24 (3mmx4mm)

PIN FUNCTIONS

Pin #

MP6543

Name

MP6543A

Name

MP6543B

Name

Description

1

ENA

-

-

Enable input for phase A.

-

LSA

-

Enable LS-FET for phase A.

-

-

HA

Hall-sensor input, phase A.

2

ENB

-

-

Enable input for phase B.

-

LSB

-

Enable LS-FET for phase B.

-

-

HB

Hall-sensor input, phase B.

3

ENC

-

-

Enable input for phase C.

-

LSC

-

Enable LS-FET for phase C.

-

-

HC

Hall-sensor input, phase C.

4

PWMA

-

-

PWM input for phase A.

-

HSA

-

Enable HS-FET for phase A.

-

-

DIR

Logic input to determine the direction of motor torque

output.

5

PWMB

-

-

PWM input for phase B.

-

HSB

-

Enable HS-FET for phase B.

-

-

PWM

External PWM control for speed/torque.

6

PWMC

-

-

PWM input for phase C.

-

HSC

-

Enable HS-FET for phase C.

-

-

nBRAKE Active-low logic input for a braking function.