PWM Chopper-Type bipolar

Stepping Motor Driver IC

Features

• Single-chip bipolar sinusoidal micro-step stepping motor driver

• Ron (upper + lower) = 0.4 Ω (typ.)

• Forward and reverse rotation control available

• Selectable phase drive (1/1, 1/2, 1/4, 1/8, and 1/16 step)

• Output withstand voltage: Vcc = 50 V

• Output current: IOUT = 4.5 A (absolute maximum ratings, peak)

IOUT = 4.0 A (operating range, maximal value)

• Packages:HQFP64-P-1010-0.50

• Built-in input pull-down resistance: 100 kΩ (typ.), (only TQ terminal: 70 kΩ(typ.))

• Output monitor pins (ALERT): Maximum of IALERT = 1 mA

• Output monitor pins (MO): Maximum of IMO = 1 mA

• Equipped with reset and enable pins

• Stand by function

• Single power supply

• Built-in thermal shutdown (TSD) circuit

• Built-in under voltage lock out (UVLO) circuit

• Built-in over-current detection (ISD) circuit(＊)