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Semiconductor Components Industries, LLC, 2013
December, 2013
LV8731V, LV8732V,
LV8734V, LV8735V,
LV8736V
Overview
The LV873x series is a 2-channel H-bridge driver IC that can switch a stepper motor driver, which is capable
of micro-step drive and supports 1/16-step resolution, and two channels of a brushed motor driver, which
supports forward, reverse, brake, and standby of a motor.
Function
Single-channel PWM current control stepping motor driver (selectable with DC motor driver channel 2)
incorporated.
BiCDMOS process IC
Low on resistance (total of upper and lower: 0.55=LV8731/32, 0.8=LV8734, 1.25=LV8735/36,
Ta=25C)
Micro-step mode can be set to Full-step, Half-step, Quarter-step, 1/8-step, or 1/16-step
Excitation step proceeds only by step signal input
Motor current selectable in four steps
Output short-circuit protection circuit (selectable from latch-type or auto-reset-type) incorporated
Unusual condition warning output pins
Built-in thermal shutdown circuit
No control power supply required
Pin compatibility series
Typical Applications
MFP (Multi Function Printer)
PPC (Plain Paper Copier)
LBP (Laser Beam Printer)
Photo printer
Scanner
Industrial
Cash Machine
Amusement
Textile
Selection Guide
Parameter LV8731V LV8732V LV8734V LV8735V LV8736V
Output current 2A 2A 1.5A 1A 1A
Micro-step resolution Full step Full step Full step Full step Full step
Half step Half step Half step Half step Half step
Quarter step Quarter step Quarter step 1/8 step Quarter step
1/16 step 1/8 step 1/8 step 1/16 step 1/8 step
Current limit mask function None None Included Included Included
Bi-CMOS LSI
PWM Constant-Current Control
Stepper Motor Driver
Application Note
页面指南
