點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
11-MD124
11-MD124
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
z
z
z
Low voltage operation ( VDD min = 1.5V )
Low saturation voltage
Optimal for 2 phase excitation drive for 2-phase stepping motors
High output sinking and driving capability
Thin, highly reliable package (MSOP10, DFN10)
Pin Assignment
MSOP10
PIN NO. PIN NAME
DESCRIPTION
Output sinking / driving pin.
Power supply pin.
O4
IN1
1
2
3
4
5
10
9
1
2
O4
VDD
GND
O3
IN2
O2
VDD
GND
O3
8
3
Ground pin
GND
7
4
Output sinking / driving pin.
Output sinking / driving pin.
Input pin that determines driving mode
Ground pin
6
O1
EN
5
O1
6
EN
7
GND
O2
O4
1
2
3
4
5
10
9
IN1
IN2
8
Output sinking / driving pin.
Input pin that determines driving mode.
Input pin that determines driving mode.
VDD
9
IN2
IN1
GND
O3
O2
GND
EN
8
7
10
O1
6
SP-MD124-A.008
Version：A.008
-1-
SITI [ SILICON TOUCH TECHNOLOGY INC. ]
