LB11690 Datasheet, PDF (1/19 Pages) Sanyo Semicon Device – Pre-Driver IC for Brushless Motor Drive in Electric Bicycles

Ordering number : ENN7543
Monolithic digital IC
LB11690, 11690H
Pre-Driver IC for Brushless Motor Drive
in Electric Bicycles
Overview
The LB11690 and LB11690H are three-phase bipolar
PWM drive pre-driver ICs that allow the output circuits to
be implemented using only n-channel FETs. These ICs
can implement, at low cost, high-efficiency drive circuits
in applications that use motors that require high drive
currents. These ICs include a built-in Hall sensor signal
F/V conversion circuit and can provide a voltage that is
proportional to motor speed for use, for example, in
speedometers for electric bicycles. These ICs also support
use in applications that holds the speed controlled at a
constant rate as the load varies.
Functions and Features
• Three-phase bipolar PWM drive (high and low side
n-channel FET drive)
• Maximum supply voltage: 45 V
• Gate drive voltage: about 10 V (high and low side
n-channel FETs)
• Hall sensor signal F/V conversion circuit (one-shot
multivibrator output)
• Synthesized three-phase Hall sensor signal output
• Built-in current limiter and undervoltage protection
circuits
Package Dimensions
unit: mm
3196A-DIP30SD
[LB11690]
27.0
30
16
1
15
0.95
(1.04)
1.78
0.48
SANYO: DIP30SD (400 mil)
3235A-HSOP36
36
[LB11690H]
17.8
(6.2)
2.7
1
(0.5)
0.8 2.0
0.25
0.3
SANYO: HSOP36 (375 mil)
Any and all SANYO 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 representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO 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 products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
13004TN (OT) No. 7543-1/19