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

Control Logic

Phase Enable Sleep

X

X

0

X

1

1

0

0

1

0

0

1

1

0

1

1

0

1

Chopping

(Vs>VREF/6)

X

X

0

1

0

1

OUTA

Off

Off

L

L

H

L

OUTB

Off

Off

H

L

L

L

Function

Sleep

Fast Decay

Forward

Slow Decay Chop

Reverse

Slow Decay Chop

Typical PWM Waveforms (Phase = 1)

RC

BLANK1

OUT1A

IOUT1

VSENSE1

BLANK2

OUT2A

IOUT2

VSENSE2

6

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