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3953

Part Number	3953
Manufacturer	Allegro MicroSystems
Description	FULL-BRIDGE PWM MOTOR DRIVER
Published	Mar 30, 2005
Detailed Description	3953 BRAKE REF RC GROUND GROUND LOGIC SUPPLY PHASE ENABLE 1 2 3 4 LOGIC 5 6 7 8 VBB VCC 12 11 10 9 GROUND SENSE OUTA LOA...
Datasheet	3953 PDF File

Overview

3953 BRAKE REF RC GROUND GROUND LOGIC SUPPLY PHASE ENABLE 1 2 3 4 LOGIC 5 6 7 8 VBB VCC 12 11 10 9 GROUND SENSE OUTA LOAD SUPPLY VBB 16 15 14 13 LOAD SUPPLY OUTB MODE GROUND FULL-BRIDGE PWM MOTOR DRIVER Designed for bidirectional pulse-width modulated (PWM) current control of inductive loads, the A3953S— is capable of continuous output currents to ±1.
3 A and operating voltages to 50 V.
Internal fixed off-time PWM currentcontrol circuitry can be used to regulate the maximum load current to a desired value.
The peak load current limit is set by the user’s selection of an input reference voltage and external sensing resistor.
The fixed off-time pulse duration is set by a user- selected externa...

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