點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
11-MD123
11-MD123
Low-saturation, Low-voltage
Bi-directional Motor Driver
General Specifications
The device is a two-channel low-saturation bi-directional motor driver IC. The design is
optimal for stepper-motor applications, such as cameras, printers, FDDs, or other portable
devices.
Features and Benefits
z
z
Low voltage operation ( VDD min = VS1 min = VS2 min = 1.5V )
Low saturation voltage ( Upper transistor + low transistor residual voltage; 0.5V typ. at
400mA)
z
Parallel connection ( two-channel driver: Upper transistor + low transistor residual; 0.6V
typ. at 800mA )
z
z
z
z
Separate control logic power supply and motor driver power supply
Brake function
High output sinking and driving capability
SOP14 / DIP-14 package
Pin Assignment
SOP14
DIP14
VDD
IN1
O1
GND
IN3
O3
VDD
IN1
O1
GND
IN3
O3
1
2
3
4
5
6
7
14
13
12
11
10
9
1
2
3
4
5
6
7
14
13
12
11
10
9
11-MD123
11-MD123
VS1
O2
VS2
O4
VS1
O2
VS2
O4
IN2
GND
IN4
NC
IN2
GND
IN4
VR
8
8
SP-MD123-A.006
Version：A.006
-1-
SITI [ SILICON TOUCH TECHNOLOGY INC. ]
