A3965SLB Просмотр технического описания (PDF) - Allegro MicroSystems

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A3965SLB

DMOS Dual Full-Bridge PWM Motor Driver

Allegro MicroSystems 

3965 DMOS Dual Full Bridge

PWM Motor Driver

Functional Block Diagram

.22uf

VDD

UVLO AND

FAULT

DETECT

SLEEP

PHASE2

PHASE1

ENABLE1

ENABLE2

OSC

RC

REF2

SENSE2

1/6

REF1

SENSE1

1/6

REGULATOR

BANDGAP

CHARGE PUMP

DMOS H-BRIDGE

VCP

VCP

VBB

OUT1A

OUT1B

CONTROL

LOGIC

GATE

DRIVE

DMOS H-BRIDGE VBB

SENSE1

SQ

R

SQ

R

OUT2A

OUT2B

SENSE2

GROUND

2

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