General Specifications
The device is a single coil DC brushless motor driver IC with soft-switch, PWM control, locked protection, thermal shut down protection circuit, power polarity reverse protection, frequency generator FG output for FD178, FG/2 output for FD178B, and rotating detector RD output for FD178C. The driver is optimal for single coil fan applications with less external components.

FEATUREs and Benefits
• Support single-phase full wave Brushless DC Motor Driver
• Built-in Hall sensor input signal amplifier
• PWM control circuit
• Low voltage startup (VDD=2.0V)
• High driving capability
• Lock detection and automatic self-restart
• Power polarity reverse protection
• Thermal shut down protection circuit
• Thin, compact, highly reliable package (TSOT-28)