LB1921 Datasheet (Sanyo) - Three-Phase Brushless Motor Driver

LB1921, Three-Phase Brushless Motor Driver

Ordering number : EN5439 Monolithic Digital IC LB1921 Three-Phase Brushless Motor Driver for OA Applications Overview The LB1921 is a single-chip motor driver circuit that provides direct PWM drive output appropriate for driving the power brushless motors used in office automation equipment.

The LB1921 also provides a variety of peripheral functions, including speed control and FG amplifier circuits, on chip.

Package Dimensions unit: mm 3147A-DIP28HS [LB1921] Applications Paper fe

LB1921 Features

* The LB1921 is an improved output current version of the LB1824.

* Three-phase bipolar brushless motor driver

* Digital speed control circuit

* Thermal shutdown circuit

* Start/stop pin

* Lock detector output

* Crystal oscillator and divider c