A4952 datasheet(4/11 Pages) ALLEGRO

Part #	A4952

Description	Full-Bridge DMOS PWM Motor Drivers

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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4 / 11 page

Full-Bridge DMOS PWM Motor Drivers

A4952 and

A4953

4

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Characteristic Performance

PWM Control Timing Diagram

PWM Control Truth Table

IN1

IN2

10

×V

S > VREF

OUT1

OUT2

Function

0

1

False

L

H

Reverse

1

0

False

H

L

Forward

0

1

True

H/L

L

Chop (mixed decay), reverse

1

0

True

L

H/L

Chop (mixed decay), forward

1

False

L

Brake (slow decay)

0

False

Z

Coast, enters Low Power Standby mode after 1 ms

Note: Z indicates high impedance.

Reverse/

Fast Decay

Reverse/

Slow Decay

Forward/

Fast Decay

Forward/

Slow Decay

GND

+I

REG

0 A

-I

REG

IN1

IN2

I

OUT(x)

V

IN(1)

V

IN(1)

Similar Part No. - A4952

Manufacturer	Part #	Datasheet	Description
Allegro MicroSystems	A4952	292Kb / 11P	Designed for pulse width modulated (PWM) control of DC motors, the A4952 and A4953 are capable of peak output currents to 짹2 A and operating voltages to 40 V.
Allegro MicroSystems	A4952	1,010Kb / 11P	Full-Bridge DMOS PWM Motor Drivers

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Similar Description - A4952

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