LB11880 Datasheet (Sanyo) - Three-Phase Sensorless Motor Driver

LB11880, Three-Phase Sensorless Motor Driver

Pin No.

Pin Pin voltage Function Equivalent circuit VREG Frequency characteristics compensation 1 FC Oscillation in the current control system closed loop can be prevented by connecting a capacitor between this pin and ground.

1 kΩ 1 10 kΩ 5 kΩ VREG V CC 50 µA 50 µA 27 kΩ Speed control 2 VC 0

LB11880 Features

* Soft switching drive No Hall sensors required No FG sensors required Built-in PG amplifier Built-in thermal shutdown circuit Current limiter circuit On-chip loading motor driver 30 16 0.95 3.0 3.95mas (3.25) 0.51min 0.48 (1.0