A3977 driver equivalent, microstepping dmos driver.
* ±2.5 A, 35 V output rating
* Low RDS(on) outputs, 0.28 Ω source, 0.22 Ω sink typical
* Automatic current decay mode detection/selection
* 3.0 to 5.5 V l.
where a complex microprocessor is unavailable or overburdened.
Internal synchronous-rectification control circuitry is p.
The A3977 is a complete microstepping motor driver with built-in translator. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes, with output drive capability of 35 V and ±2.5 A. The A3977 includes a fixe.
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