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A3962

Part Number	A3962
Manufacturer	Allegro MicroSystems
Description	DUAL FULL-BRIDGE PWM MOTOR DRIVER
Published	Mar 23, 2005
Detailed Description	3962 DUAL FULL-BRIDGE PWM MOTOR DRIVER 3962 Designed for pulse-width modulated (PWM) current control of bipolar stepper...
Datasheet	A3962 PDF File

Overview

3962 DUAL FULL-BRIDGE PWM MOTOR DRIVER 3962 Designed for pulse-width modulated (PWM) current control of bipolar stepper motors, the A3962SLB is capable of continuous output currents to ±800 mA and operating voltages to 30 V.
Internal fixed off-time PWM current-control circuitry can be used to regulate the maximum load current to a desired value.
An internal precision voltage reference is provided to improve motor peak-current control accuracy.
The peak load current limit is set by the user’s selection of an external resistor divider and current-sensing resistors.
The fixed off-time pulse duration is set by user-selected external RC timing networks.
The capacitor in the RC timing network als...

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