TB67S109AFTG stepping motor driver

TB67S109AFTG  PWM constant current drive single-chip bipolar sinusoidal micro-step stepping motor driver
Selectable excitation mode (1/1, 1/2, 1/4, 1/8, and 1/16 step)
Single power supply
Average current control (in 8 steps from 0.5A to 3.5A), two-phase sinusoidal current drive output
DC 9 ~ 40V Single power supply operation
Optically isolated inputs
Over voltage, under-voltage, over-current, and short-circuit protection
High starting speed
High-speed torque
Black Rugged All metalic Enclosure and Large Black Aluminium Heat Sink
Mounting Holes on Heat Sink for Mounting the Drive in Machine Panels
Technical Specifications
Input voltage DC 8 ~ 50V input (Operating Voltage: 9V – 40V)
The input current of 1 to 4 amps
Output current:
IOUT= 4.0 A (absolute maximum ratings, peak, within 100ms)
IOUT= 3.5 A (operating range, maximal value)

PIN # PIN NAME    DESCRIPTION
1     ENA- (ENA)    Direction Input Cathode of Optoisolator
2     ENA+(+5V)    Direction Input Anode of Optoisolator
3     DIR- (DIR)    Pulse Input Cathode of Optoisolator
4     DIR+(+5V)    Pulse Input Anode of Optoisolator
5     PUL- (PUL)    Enable Input Cathode of Optoisolator
6     PUL+ (+5v)    Enable Input Anode of Optoisolator
7     B-    Stepper Motor Output Winding B Negative
8     B+    Stepper Motor Output Winding B Positive
9     A-    Stepper Motor Output Winding A Negative
10     A+    Stepper Motor Output Winding A Positive
11     GND    Power Supply Input Negative / 0V
12     VCC    Power Supply Input Positive /9V to +40V (Operating Voltage)