Requiring
Variable RPM to Reduce Noise and/or
Increase MTBF
D Speed Control Capability With Either DC or
PWM Input Signa.
The THMC40 and THMC41 are 2-phase, dc brushless motor (BLM) drive and control devices intended for use with 12-Vdc cooling fans. Both devices include a high-efficiency PWM drive topology using integrated 0.5-Ω (typical) LDMOS drivers, plus a speed co.
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