L6474 Datasheet (STMicroelectronics) - Fully integrated microstepping motor driver

L6474, Fully integrated microstepping motor driver

The L6474 device, realized in analog mixed signal technology, integrates a dual low RDS(on) DMOS full bridge with all power switches equipped with an accurate on-chip current sensing circuitry suitable for non-dissipative current control and overcurrent protections.

Thanks to a new current control,

L6474 Features

* Operating voltage: 8 - 45 V

* 7.0 A output peak current (3.0 A r.m.s.)

* Low RDS(on) power MOSFETs

* Programmable power MOS slew rate

* Up to 1/16 microstepping

* Current control with adaptive decay

* Non-dissipative current sensing

* SPI interface

* Low quiesce