AH5794 SINGLE PHASE HALL EFFECT LATCH FAN MOTOR DRIVER

AH5794 SINGLE PHASE HALL EFFECT LATCH FAN MOTOR DRIVER

The AH5794 is a single chip solution for driving single-coil brushless direct current (BLDC) fans and motors. The integrated full-bridge driver output stage uses soft switching to minimize audible switching noise and electromagnetic interference (EMI) providing a low noise solution. Low operating vo.

Features

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• Supports single-coil full-wave BLDC fan drivers Built-in Hall sensor and input amplifier Operating voltage: 1.8V to 6V VDD voltage speed control Soft switching for low noise DC fan motor applications Rotor Lock Protection (Lock detection, output shutdown and automatic re-start) Thermal protection Tachometer (FG) output No external timing capacitor - Reduces the numbers of external components required Low profile package: TSOT26 and U-DFN2020C-6 Halogen and Antimony free “Green” packages. Lead Free Finish/ RoHS Compliant Applications
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• 3V/ 3.3V/ 5V BLDC Cooling Fa.