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L9942 - Integrated stepper motor driver

L9942 Description

L9942 Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile .
The L9942 is an integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile look-up-table to allow.

L9942 Features

* Two full bridges for max. 1.3 A load (RDSON = 500 m)
* Programmable current waveform with look-up table: 9 entries with 5 bit resolution
* Current regulation by integrated PWM controller and internal current sensing
* Programmable stepping mode: full, half, mini and microstepping

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Integrated stepper motor driver ST Microelectronics
ST Microelectronics L9942-like datasheet