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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 feed and drum motor drivers in FAX and PPC units
Functions and Features
• The LB1921 is an improved output current version of the LB1824.