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A3957

Part Number	A3957
Manufacturer	Allegro
Description	FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER
Published	Oct 16, 2018
Detailed Description	Data Sheet 29319.44B 3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER The A3957SLB is designed for driving one winding...
Datasheet	A3957 PDF File

Overview

Data Sheet 29319.
44B 3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER The A3957SLB is designed for driving one winding of a bipolar stepper NO CONNECT 1 NC NC 24 NO CONNECT motor in a microstepping mode.
The outputs are rated for continuous output currents to ±1.
5 A and operating voltages to 50 V.
Internal pulse-width PFD 2 VBB REF 3 NO CONNECT 4 NC TRC 5 CGROUND 6 UGROUND 7 LOGIC DD 3 8 LOGIC OSUPPLY 9 VCC YPHASE 10 R LD2 11 P NNO CONNECT 12 NC 23 LOAD SUPPLY 22 OUTB NC 21 NO CONNECT 20 D 0 19 GROUND 18 GROUND 17 SENSE NC 16 NO CONNECT 15 NC 14 OUTA NO CONNECT 13 D 1 D E ODwg.
PP-056-4 E CABSOLUTE MAXIMUM RATINGS U NLoad Supply Voltage, VBB .
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