Hall Effect Sensor IC With Thermal Lock Protection ,Auto Restart And Speed Control Function

WSH41S is designed to integrate Hall Sensor with complementary output drivers and speed control function together on one chip, it is suitable for speed measurement, revolution counting, positioning, and DC brushless motors. It includes a temperature compensated voltage Regulator a Differential Amplifier a Hysteresis controller, two open-collector output drivers capable of sinking 600mA current load and PS pin which CAN accept PWM signal to do speed control programming. An on-chip Protection Diode is implemented to prevent reverse power fault. And built-in thermal lock protection and auto-restart function is suitable for super high speed fan. It CAN replace the function of lock protection and auto restart function. The power will be shutdown automatically at 130C to prevent the coils be damaged and atuo-restart after cooling down. By Winson Semiconductor Corp.
WSH41S 's PackagesWSH41S 's pdf datasheet

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WSH41S Application circuits
WSH41S circuits
This is one application circuit of WSH41S,If you need more circuits,please download WSH41S's pdf datasheet.

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