LB11889M Datasheet, PDF (1/11 Pages) Sanyo Semicon Device – Monolithic Digital IC For VCR Capstan Three-Phase Brushless Motor Driver

Ordering number : EN8791
Monolithic Digital IC
LB11889M ^{For VCR Capstan}
Three-Phase Brushless Motor Driver
Overview
The LB11889M is three-phase brushless motor driver for VCR capstan motors.
Features
• 3-phase full-wave current linear drive.
• Torque ripple correction circuit (fixed correction ratio).
• Current limiter circuit with control characteristics gain switching.
• Output stage upper/lower oversaturation prevention circuit (No external capacitor required).
• FG amplifier built in.
• Thermal shutdown circuit built in.
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum power supply voltage
Maximum output current
Allowable power dissipation voltage
Operating temperature
Storage temperature
Symbol
VCC max
VS max
IO max
Pd max
Topr
Tstg
Conditions
Independent IC
Ratings
Unit
7
V
24
V
1.3
A
950
mW
-20 to +75
°C
-55 to +150
°C
Allowable Operating Range at Ta = 25°C
Parameter
Power supply voltage
Hall input amplitude
GSENSE input range
Symbol
VS
VCC
VHALL
VGSENSE
Conditions
Between hall inputs
Relative to the control system GND
Ratings
5 to 22
4.5 to 5.5
±30 to ±80
-0.20 to +0.20
Unit
V
V
mVo-p
V
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
D2706 TI IM B8-4207 No.8791-1/11