Ordering number : ENN7543

13004TN (OT) No. 7543-1/19

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

3235A-HSOP36

(1.04)

1.78

0.95

0.48

115

30

16

27.0

SANYO: DIP30SD (400 mil)

[LB11690]

(6.2)

36

1

0.8

17.8

2.7

0.3

0.25

(0.5)

2.0

SANYO: HSOP36 (375 mil)

[LB11690H]

LB11690, 11690H

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Pre-Driver IC for Brushless Motor Drive

in Electric Bicycles

Monolithic digital IC

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.