LB1830MC Datasheet, PDF (3/4 Pages) Sanyo Semicon Device – Bidirectional Motor Driver

Pin Assignment
Block Diagram
LB1830MC
IN2 IN1 Vm Vref Vc
10 9
8
7
6
LB1830MC
1
2
3
4
5
VCC OUT2 GND OUT1 VS
OUT1 VS OUT2
VCC
Logic
Predrive
IN1 IN2 Vm
Vref
Vcont Vref
GND
• The output voltage (voltage between output pins) Vo during drive with constant voltage is set as follows:
VO = (VC pin input voltage) × 2.4 (typical)
• There is no hierarchical relationship among voltages; VCC (control supply voltage), VS (motor supply voltage),
IN1/IN2 (input signal voltage).
Truth Table
Input
Output
IN1
IN2
Vm
OUT1 OUT2
Mode
L
L
L
OFF
OFF
Standby
H
L
L
H
L
Forward (Regulated)
H
L
H
H
L
Forward (Saturation)
L
H
L
L
H
Reverse (Regulated)
L
H
H
L
H
Reverse (Saturation)
H
H
*
L
L
Brake
* when in saturation mode, VC = VS available.
No.A2049-3/4