LB1922 - Three-Phase Brushless Motor Driver

Description

and Notes on External Components 1.

Speed control circuit Speed control in this IC is implemented with the combination of a speed discriminator circuit and a PLL circuit.

The speed discriminator circuit outputs an error output once every two FG periods using a charge pump technique.

Features

nected to GND2. All other external components must be connected to GND1. A single ground point must be taken for.

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LB1922 three-phase brushless motor driver by Sanyo - Datasheet Preview

Datasheet Details

Part number	LB1922
Manufacturer	SANYO (now Panasonic)
File Size	123.28 KB
Description	Three-Phase Brushless Motor Driver
Datasheet	LB1922 Datasheet

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Full PDF Text Transcription

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Ordering number : EN5679 Monolithic Digital IC LB1922 Three-Phase Brushless Motor Driver for Office Automation Applications Overview The LB1922 is a single-chip drive circuit that provides the direct PWM drive output appropriate for the power brushless motors used in office automation equipment. It provides a variety of peripheral circuits on chip, including a speed control circuit and an FG amplifier. It is optimal in systems that use a 12-V power supply.

Published: Apr 25, 2005 |