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Data Sheet 29319.26
3961 DUAL FULL-BRIDGE PWM MOTOR DRIVER
3961
DUAL FULL-BRIDGE PWM MOTOR DRIVER
Designed for pulse-width modulated (PWM) current control of
OUT1B 1
24 OUT2B
bipolar stepper motors, the A3961S— is capable of continuous output currents to ±800 mA and operating voltages to 45 V. Internal fixed
E1 2 SENSE1 3
OUT1A 4
T VBB1 5
GROUND 6
C GROUND 7 U VREFOUT 8 D Y VREFIN 9 L RC1 10
PHASE1 11
O N ENABLE1 12
23 E 2
22 SENSE 2 21 OUT2A 20 V BB2 19 GROUND
18 GROUND 17 I FULL/PD 16 V CC 15 RC2 14 PHASE 2 13 ENABLE2
PR O Note the A3961SB (DIP) and the A3961SLB
(SOIC) are electrically identical and share a
E common terminal number assignment. D C ABSOLUTE MAXIMUM RATINGS E N Load Supply Voltage, VBB . . . . . . . . . . 45 V U E Output Current, IOUT . . . . . . . . . .
A3961 Datasheet
