View ka2822bd datasheet:

www.fairchildsemi.com KA2822D/KA2822BD 3-Phase BLDC Motor Driver Features Description • 3-phase, full-wave, linear BLDC motor driver The KA2822D/KA2822BD is a monolithic integrated cir- with 2 hall sensors cuit, and suitable for the three-phase spindle motor driver of • Built-in soft switching drive circuit FDD system. • 300 or 360 RPM speed control • Snubberless 28-SSOPH-375 • Built-in chip enable function • Built-in digital speed control circuit • Built-in current limit circuit • Index sensorless • Built-in TSD (Thermal shutdown) • Low saturation voltage • Digital input: TTL, 5V CMOS compatible 1 • Built-in current-mode control circuit (IPEAK: 1A) Typical Application Ordering Information • 3.5-Inch floppy disk drive (FDD) spindle motor Device Package Operating Temp.