Part number:
LB1922
Manufacturer:
Sanyo
File Size:
123.28 KB
Description:
Three-phase brushless motor driver.
Datasheet Details
Part number:
LB1922
Manufacturer:
Sanyo
File Size:
123.28 KB
Description:
Three-phase brushless motor driver.
LB1922, Three-Phase Brushless Motor Driver
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.
The PLL circuit
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.
Package Dimensions unit: mm 3147A-
LB1922 Features
* D6 must be connected to GND2. All other external components must be connected to GND1. A single ground point must be taken for
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