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Cooling Fan Motor Drivers Slide 19

The LV8163QA shown on this slide is a BTL control method 5 V fan motor driver. It includes the hall sensor bias circuitry in addition to PWM speed control. If the fan is blocked, lock protection circuitry will stop current from going to the motor and allow auto restart after some time has passed. The BTL drive combined with the PWM pulse yields a silent drive with high efficiency.

PTM Published on: 2012-11-19