Product Overview

HTD872A is a patented high-performance stepper motor driver with three-state control technology and fan cooling design. Supporting 220VAC high voltage input, 16 subdivision options, pulse/direction and dual-pulse switchable modes. Features adjustable dynamic and static current, automatic half-current standby to reduce heat and noise. Ideal for high-speed, high-torque and low-noise industrial applications with ultra-high cost performance.

Features

Multiple national patented technologies

Low noise, high speed and high torque performance

Power supply voltage: up to 220VAC / 310VDC

Peak output current up to 8.2A (average: 5.86A)

3-state current control technology reduces motor heating

Automatic current halving at standstill

Compatible with 2-phase and 4-phase stepper motors with 4, 6 or 8 wires

Supports trigger on rising or falling edge of pulse signal

Opto-isolated differential signal input, maximum response frequency up to 200KHz

Selectable microstep resolution: 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 16, 20, 25, 30, 32, 40, 50 times

Overall dimensions (202.8146.878mm)

Convenient current setting with 8 selectable levels

Built-in protection functions: overvoltage, undervoltage, overcurrent and overtemperature

Switchable pulse/direction mode or double pulse mode

Applications

Suitable for various automated equipment and instruments, such as engraving machines, marking machines, cutting machines, laser typesetters, plotters, CNC machine tools, manipulators, packaging machinery, textile machinery, etc. It delivers excellent cost performance and strong competitiveness.