Description
The AH5798 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.

FEATUREs
• Supports single-coil full-wave DC fan drivers
• Built-in Hall sensor and input amplifier
• Operating Voltage: 1.8V to 5.5V
• 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 packages: SOT89-5L and TSOT25
• “Green” Molding Compound

APPLICATIONs
• 3.3V / 5V Min. BLDC Cooling Fans
• Netbook/ Notebook BLDC fans
• Low Voltage/ Low Power BLDC Motors