Description
DUAL STEPPER MOTOR DRIVER NJM3772 s GENERAL .
The NJM3772 is a stepper motor driver, which circuit is especially developed for use in microstepping applications in conjunction with the matching du.
Features
* Dual chopper driver
* 1000mA continuous output current per channel
* Specially matched to the Dual DAC NJU39610
* Packages DIP22 / PLCC28
s BLOCK DIAGRAM
NJM 3772
Phase 1 VR1
C1
VCC
V CC
* +
VMM1
E1
RQ S
Logic
+
* RC
Logic
+
SQ
R
Applications
* in conjunction with the matching dual DAC (Digital-to-Analog Converter) NJU39610.
The NJM3772 contains a clock oscillator, which is common for both driver channels, a set of comparators and flip-flops implementing the switching control, and two H-bridges with internal recirculation diodes. Voltage s
