DEAR,
THB***4AH is our newly launched, market-focused product in recent times. Now is enjoying good market in the world with high tech and quality, good reputation.

THB***4AH Dual Full Bridge MOSFET Stepper Driver IC

The THB***4AH is a PWM chopper-type sinusoidal micro-step bipolar stepping motor driver IC.

Itsupports 8 kind of excitation modes and forward/reverse mode and is capable of low-vibration, high-performance drive of *-phase bipolar type stepping motors using only a clock signal.

Features

1,Single-chip bipolar sinusoidal micro-step stepping motor driver.

2,Uses high withstand voltage BICD process:Ron (upper + lower)   0.4 (typ.).

3,Forward and reverse rotation control available.

4,Selectable phase drive (1/2, 1/8, 1/*0, 1/*6, 1/*0, 1/*2, 1/*0, 1/*4 step).

5,Output monitor pins (DOWN / ALERT).

6,Equipped with reset and enable pins.

7,Built-in thermal shutdown(TSD) and over-current detection(ISD) circuit.

Parameter

High output current: Iout 4.5 A (peak)

Packages: HZIP**-P*1.*7

Dementions:3.*5*1.7*0.5 cm

Weight:9.*6g 

Any needs or questions pls feel free to contact me, I'll try my best to hepl and reply soon. Thank you!
Best regards,
Jerry Zhang