Nisshinbo Micro Devices Inc. Motor Drivers, Controllers NJM3774D2

The NJM3774D2 is a dual-channel stepper motor driver designed for switch-mode (chopper) operation, providing constant current control for two-phase stepper motors. It supports a maximum output current of 1000 mA per channel and operates with a logic supply voltage of +5 V, while the motor supply voltage ranges from +10 to +45 V. The driver features TTL level compatible disable inputs for simplified half-stepping operations and is well-suited for microstepping applications when paired with the NJU39610 dual DAC. The NJM3774D2 includes a common clock oscillator for both channels, along with comparators and flip-flops for switching control, and two output H-bridges. It is packaged in DIP22 and PLCC28 formats, making it versatile for various applications. The driver is capable of full-step, half-step, and modified half-step operations, allowing for flexibility in motor control while addressing potential resonance issues. This product is suitable for engineers looking for a reliable and efficient solution for driving stepper motors in their projects.