Ordering number : ENN5340A
Monolithic Digital IC
LB1950V
Three-Phase Brushless Sensorless Motor Driver
Overview
Package Dimensions
The LB1950V is a 3-phase brushless sensorless motor
driver IC that is particularly well-suited to driving
camcorder drum motors.
unit: mm
3191-SSOP30
16
1
15
0.5
7.6
5.6
30
0.15
1.6max
9.95
0.1
• 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
1.0
[LB1950V]
Features
0.22
0.65
0.43
SANYO: SSOP30
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC1 max
12
V
VS max
Output voltage
V
VCC2 max
VCC2
V
VO max
Maximum supply voltage
7
VS + 2
V
–0.3 to VCC1 + 0.3
V
VI1 max
Control system
Input voltage
VI2 max
U, V, W, COM
Output current
IO max
Allowable power dissipation
Pd max
VS + 2
V
1.0
A
0.5
W
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–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
