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A3962 - DUAL FULL-BRIDGE PWM MOTOR DRIVER

Description

Internal PWM Current Control.

The A3962SLB contains a fixed off-time pulse-width modulated (PWM) currentcontrol circuit that can be used to limit the load current to a desired value.

Features

  • s s s s s s s s ±800 mA Continuous Output Current Rating 30 V Output Voltage Rating Internal PWM Current Control, Saturated Sink Drivers Internally Generated Precision 2.5 V Reference Internal Transient-Suppression Diodes Internal Thermal-Shutdown Circuitry Crossover-Current Protection, UVLO Protection Automotive Capable † Fault conditions that produce excessive junction temperature will activate the device’s thermal shutdown circuitry. These conditions can be tolerated but should be avoided.

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Datasheet preview – A3962

Datasheet Details

Part number A3962
Manufacturer Allegro MicroSystems
File Size 86.44 KB
Description DUAL FULL-BRIDGE PWM MOTOR DRIVER
Datasheet download datasheet A3962 Datasheet
Additional preview pages of the A3962 datasheet.

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Full PDF Text Transcription

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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.
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