LB1978 Datasheet (Sanyo) - Three-Phase Half-Wave Sensorless Motor Driver

LB1978, Three-Phase Half-Wave Sensorless Motor Driver

Pin number 1 Pin name FC Equivalent circuit Vcc Pin function Oscillator and ripple suppression pin.

The higher the capacitance connected to FG, the more effectively will ripple components be suppressed.

1 PGND 2 OSC Vcc Startup pulse cycle and drive switching cycle setting pin.

Increased capa

LB1978 Features

* Three-phase sensorless motor driver

* Built-in speed control

* Built-in reference voltage and forward/reverse switching pin

* Soft switching

* Built-in short brake drive pin Package Dimensions unit: mm 3191-SSOP30 [LB1978V] 30 16 5.6 1.0 1 15 0.15 9.95 0.