SANYO LB1620 Datasheet
LB1620
Ordering number : EN1210E
3-Phase DD Motor Driver
Monolithic Digital IC
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
O2097HA (KT)/8037KI/6115KI/7153KI/0252KI No.1210-1/6
Overview
The LB1620 is a 3-phase DD motor driver IC especially
suited for use in VCR capstan motor drive, drum motor
drive, and floppy disk motor drive applications.
Functions and Features
• 3-phase motor driver.
• Capable of controlling drive current.
• On-chip 3-phase control signal generator.
• Phase/speed control pin.
• Forward/reverse rotation control pin.
• Applicable to β/VHS, NTSC/PAL/SECAM.
Package Dimensions
unit: mm
3037A-DIP20H
[LB1620]
SANYO : DIP20H
Specifications
Maximum Ratings
at Ta=25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
CC
128V
V
CC
214V
Maximum load current I
L
1.5 A
Allowable power dissipation Pd max Ideal heat dissipation 15 W
Without heat sink 3 W
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –55 to +150 °C
Allowable Operating Condition at Ta=25°C
Parameter Symbol Conditions Ratings Unit
Supply voltage V
CC
1 8.5 to 26.4 V
V
CC
2 8.5 to 14.0 V
Pin Assignment
Top view
Electrical Characteristics at Ta=25°C, V
CC
1=12V, VCC2=9V
Parameter Symbol Conditions
Ratings
min typ max
Unit
Current drain I
CC
off Vc=0V, Vstop=2V, ICC1+ICC2 12 18 mA
I
CC
dri Vc=7V, Vstop=2V, ICC1+ICC2 22 40 mA
Saturation voltage V
O
(sat)1 IO=0.58A, VCC1=9.6V, 2.1 V
V
O
sink+VOsource
V
O
(sat)2 IO=1A, VCC1=18V, 5.0 V
V
O
sink+VOsource
In-phase voltage range 2.0 V
CC
2–2.5 V
Motor forward rotation 2.0 V
CC
2 V
input voltage range
Motor reverse rotation 0 0.3 V
input voltage range
Interphase current variation Driver stage –25 0 +25 %
Output stage –25 0 +25 %
Speed control voltage (off) Vc1 R
f
=0Ω, Rs=0Ω, 4.0 V
FC pin
→GND current=5µA
Speed control voltage (on) Vc2 R
f
=0Ω, Rs=0Ω, 4.5 V
FC pin
→GND current=0.5mA
Vc3 R
f
=1Ω, Rs=100Ω, VRf=100mV 4.6 V
Closed loop voltage gain R
f
=1Ω, Rs=100Ω, IL=100mA 0.44 A/V
Input sensitivity 20 mV
LB1620 Truth Table
LB1620
No.1210-2/6
W phase → V phase
V phase → W phase
L
H
1
Source
Sink
Forward/Reverse
Control (FRC)
Input
U
H H L
W phase → U phase
U phase → W phase
L
H
2 H L L
V phase → W phase
W phase → V phase
L
H
3 L L H
U phase → V phase
V phase → U phase
L
H
4 L H L
V phase → U phase
U phase → V phase
L
H
5 H L H
U phase → W phase
W phase → U phase
L
H
6 L H H
V W
Input : "H" : Each phase input (1) is more than 0.2V higher than each phase input (2).
"L" : Each phase input (1) is more than 0.2V lower than each phase input (2).
Forward/reverse control : "H" : 2.0 to VCC2
: "L" : 0 to 0.3V
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