单线圈风扇驱动芯片

SDC477

The SDC477, is an integrated Hall sensor with H-bridged output driver designed for brushless DC motor applications. The high sensitivity of Hall-effect sensor is suitable for motors from mini-type CPU coolers to blowers and DC fans. Typical operation current is 250mA and operating voltage range is wide.


Features
One-chip hall sensor
Wide operating voltage range: 3.8V~20V
Output sink current up to 250mA
Output thermal shutdown protection
Package : TO-94

Applications
Brushless DC motor
Brushless DC fan
Revolution counting
Speed measurement
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