A3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER

Allegro

Description

Data Sheet 29319.44B 3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER The A3957SLB is designed for driving one winding of a bipolar stepper NO 1 NC.
Slow Current-Decay Mode Mixed Current-Decay Mode Fast Current-Decay Mode Table 3. DAC Truth Table DAC Data D3 D2 D1 D0 HHHH HHH L HH L H HH.

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Datasheet Specifications

Part number: A3957
Manufacturer: Allegro
File Size: 473.00 KB
Datasheet: A3957-Allegro.pdf
Description: FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER

Features

* ±1.5 A Continuous Output Current
* 50 V Output Voltage Rating
* Internal PWM Current Control
* 4-Bit Non-Linear DAC for 16-Bit Microstepping
* Satlington® Sink Drivers
* Fast, Mixed Fast/Slow, and Slow Current-Decay Modes
* Internal Transient-Suppression Diodes
* In

Applications

* section. www. allegromicro. com 3 3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER ELECTRICAL CHARACTERISTICS at TA = 25˚C, VBB = 5 V to 50 V, VCC = 4.5 V to 5.5 V (unless otherwise noted. ) Characteristic Symbol Test Conditions Min. Limits Typ. Max. Units Power Outputs Load Supply V

A3957 Distributors

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A3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER Allegro

Allegro A3957-like datasheet