Data Sheet 29319.26
3961 DUAL FULL-BRIDGE PWM MOTOR DRIVER
3961
DUAL FULL-BRIDGE PWM MOTOR DRIVER
Designed for pulse...
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
bipolar stepper motors, the A3961S— is capable of continuous output
OUT1B 1
24 OUT2B
currents to ±800 mA and operating
voltages to 45 V. Internal fixed
E1 2 SENSE1 3
OUT1A 4
TVBB1 5
GROUND 6
CGROUND 7 UVREFOUT 8 D YVREFIN 9 LRC1 10
PHASE1 11
O NENABLE1 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 ONote the A3961SB (DIP) and the A3961SLB
(SOIC) are electrically identical and share a
Ecommon terminal number assignment. D CABSOLUTE MAXIMUM RATINGS E NLoad Supply
Voltage, VBB . . . . . . . . . . 45 V U EOutput Current, IOUT . . . . . . . . . . ±800 mA*
Logic Supply
Voltage, VCC . . . . . . . . . 7.0 V
IN RLogic Input
Voltage Range, VIN . . . . . . . . . . . -0.3 V to VCC + 0.3 V
T ESense
Voltage, VSENSE . . . . . . . . . . . . 1.0 V N FReference Output C...
