Single Coil Hall Effect IC With Thermal Lock Protection And Auto-Restart

WSH420 is designed to integrate Hall Sensor with two push-pull output drivers and frequency generator together on the same chip, it is suitable for single coil DC brushless motors. It includes a temperature compensated voltage Regulator a Differential Amplifier a Hysteresis controller, complementary bi-direction drivers for sinking and driving large current load. An on-chip protection resistor is implemented to prevent reverse power fault. And built-in thermal lock protection and auto-restart function will automatically shutdown power at 120C to prevent the coils be damaged during high temperature and auto-restart at 115C. It CAN replace the function of lock protection and auto-restart at low cost. By Winson Semiconductor Corp.
WSH420 's PackagesWSH420 's pdf datasheet

WSH420 Pinout, Pinouts
WSH420 pinout,Pin out
This is one package pinout of WSH420,If you need more pinouts please download WSH420's pdf datasheet.

WSH420 Application circuits
WSH420 circuits
This is one application circuit of WSH420,If you need more circuits,please download WSH420's pdf datasheet.

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