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LB1950

Three-Phase Brushless Sensorless Motor Driver

SANYO -> Panasonic 

Ordering number : ENN5340A

Monolithic Digital IC

LB1950V

Three-Phase Brushless Sensorless Motor Driver

Overview

The LB1950V is a 3-phase brushless sensorless motor

driver IC that is particularly well-suited to driving

camcorder drum motors.

Features

• Drives 3-phase full-wave brushless sensorless motors

• Soft switching drive

• Speed control using motor power-supply voltage control

for reduced power

• Allows operation from a 3-V power supply.

• The residual output voltage can be set to one of four

values.

• Supports bidirectional rotation.

• Standby function (only the FG and PG amplifiers

operate)

• Brake circuit

• Thermal shutdown circuit

• FG and PG amplifiers

Package Dimensions

unit: mm

3191-SSOP30

[LB1950V]

30

16

1

15

0.15

9.95

0.22

0.65

0.43

SANYO: SSOP30

Specifications

Absolute Maximum Ratings at Ta = 25°C

Parameter

Maximum supply voltage

Output voltage

Input voltage

Output current

Allowable power dissipation

Operating temperature

Storage temperature

Symbol

VCC1 max

VCC2 max

VS max

VO max

VI1 max

VI2 max

IO max

Pd max

Topr

Tstg

Control system

U, V, W, COM

Conditions

Ratings

Unit

7

V

12

V

VCC2

V

VS + 2

V

–0.3 to VCC1 + 0.3

V

VS + 2

V

1.0

A

0.5

W

–20 to +75

°C

–55 to +150

°C

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

N3099TH (OT)/93096HA (OT) No. 5340-1/10

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