LB1889M 查看數據表（PDF） - SANYO -> Panasonic

零件编号

产品描述 (功能)

生产厂家

LB1889M

3-phase Brushless Motor Driver for VTR Capstans

SANYO -> Panasonic 

Block Diagram

Hall amplifier

LB1889, 1889M, 1889D

Output stage

Logarithmic

inverse

transformation

& differential

distribution

Upper

saturation

prevention

control

Control amplifier 1

Differential

distribution &

torque ripple

correction

unit

Control amplifier 2

Feedback

amplifier

Drive distribution circuit & lower

saturation prevention control

Forward/

reverse

selection

FG amplifier

Reference

voltage

No.5131 - 5/13

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