dual dmos full-bridge microstepping pwm motor driver.
▪ ±1 A, 35 V Continuous Output Rating ▪ Low RDS(on) DMOS Output Drivers ▪ Optimized Microstepping via 6-Bit Linear DACs ▪ Programmable Mixed, Fast, and Slow Current Decay.
Samples are no longer available.
Date of status change: November 1, 2010
Recommended Substitutions:
For existing cust.
Designed for pulse-width modulated (PWM) current control of bipolar microstepping stepper motors, the A3973 is capable of continuous output currents to ±1 A and operating voltages to 35 V. Internal fixed off-time PWM current-control timing circuitry.
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