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A3955SLB Datasheet PDF

Allegro MicroSystems A3955SLB

the A3955SLB (SOIC) are electrically identical and share a common terminal number assignment. FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER The A3955SB and A3955SLB are designed for driving one winding of a bipolar stepper motor in a microstepping mode.
Part No. A3955SLB
Datasheet A3955SLB Download
Manufacturer
Allegro MicroSystems
Description FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER
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A3955SLB datasheet page 1 preview

ABSOLUTE MAXIMUM RATINGS

Load Supply Voltage, VBB . . . . . . . . . . 50 V Output Current, IOUT (Continuous) . . . . . . . . . . . . . . ±1.5 A* Logic Supply Voltage, VCC . . . . . . . . . 7.0 V Logic/Reference Input Voltage Range, VIN . . . . . . . . . . . -0.3 V to VCC + 0.3 V Sense Voltage, VS . . . . . . . . . . . . . . . . 1.0 V Package Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . See Graph Operating Temperature Range, TA . . . . . . . . . . . . . . . . . -20˚C to +85˚C Junction Temperature, TJ . . . . . . . +150˚C† Storage Temperature Range, TS . . . . . . . . . . . . . . . . -55˚C to +150˚C * Output current rating may be limited by duty cycle, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the specified current rating or a junction temperature of 150˚C. † Fault conditions that produce excessive junction temperature will activate the device’s thermal shutdown circuitry. These conditions can be tolerated but should be avoided. The outputs are rated for continuous output currents to ±1.5 A and operating voltages to 50 V.
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