LV8714TA - ON Semiconductor

LV8714TA Dual Stepper Motor Driver

1 VM1 Motor power supply pin for channel 1 2 ENA1 Enable control pin of channel 1 3 IN1 Input control pin of channel 1 4 VREF1 Reference voltage input pin of channel 1 5 RCS1 Current sense resistor pin of channel 1 6 PS Power save mode selection pin 7 VREG3 Internal 3.3V voltage regulator pin 8 RCS3 Current sense resistor pin of channel 3.

Features

 Integrated quad H-bridges with independent controls o Dual bipolar/unipolar stepper motor or quad DC motor drive o Forward and reverse direction control
 Low RDS(ON) (upper + lower = 0.9Ω) type MOSFETs
 Proprietary internal current sensing o Eliminates up to four external current sense power resistors
 Over 256 micro step resolution with external VREF inputs
 Single supply operation with a built-in internal regulator
 No external component for driving internal MOSFETs
 Constant-current control with 125 kHz (typ.) PWM switching frequency
 Low power standby mode when idle
 Synchronous .