L9942 PDF 데이터시트 검색

L9942 Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile PRELIMINARY DATA Features ■ ■ ■ ■ ■ ■ ■ ■ ■ Two full bridges for max. 1.3 A load (RDSON = 500 mΩ) Programmable current waveform with look-up table: 9 entries with 5bit resolution Current regulation by integrated PWM controller and internal current sensing Programmable stepping mode: Full, Half, Mini and Microstepping Programmable slew rate for EMC and power