LV8746V: PWM Constant-Current Control Stepper Motor Driver

The LV8746V is a stepper motor driver corresponding to the Quarter-step excitation drive that the selection of CLK-IN input and a parallel input is possible. It is ideally suited for driving stepper motors used in office equipment and amusement applications.

Features

Low on resistance (upper side : 0.84Ω ; lower side : 0.7Ω ; total of upper and lower : 1.54Ω ; Ta = 25°C, IO = 1A)
Excitation mode can be set to Full-step, Half-step Full torque, Half-step, or Quarter-step
Motor current selectable in four steps
Output short-circuit protection circuit (selectable from latch-type or auto-reset-type) incorporated
CLK-IN input and a parallel input can be selected
PWM current control stepper motor driver incorporated.
BiCDMOS process IC
CLK-IN input and a parallel input can be selected.
Unusual condition warning output pins
No control power supply required

Benefits

High Efficiency
Various Step Adjustment Available
Low Consumption
Safety Design
Various Input Type Available

Applications

Stepper Motors
Computing & Peripherals
Industrial

End Products

Printers
Flatbed Scanner
Inkjet Printer
Multi-Function Printer
Document Scanner
PoE Security Camera
Slot Machine
Vending Machine
Cash Machine

Application Notes (1)

Document Title	Document ID/Size	Revision	Revision Date
LV8746V Motor Driver Application Note	ANDLV8746V/D (1049kB)	1

Package Drawings (1)

Document Title	Document ID/Size	Revision
SSOP44K (275mil) Exposed Pad	940AF (67.8kB)	A

Data Sheets (1)

Document Title	Document ID/Size	Revision	Revision Date
PWM Constant-Current Control Stepper Motor Driver	LV8746V/D (632.0kB)	1	Jul, 2013

Evaluation Board Documents (4)

Document Title	Document ID/Size	Revision
LV8746VGEVB Bill of Materials ROHS Compliant	LV8746VGEVB_BOM_ROHS.PDF (81kB)	0
LV8746VGEVB Gerber Layout Files (Zip Format)	LV8746VGEVB_GERBER.ZIP (934.0kB)	0
LV8746VGEVB Schematic	LV8746VGEVB_SCHEMATIC.PDF (141kB)	0
LV8746VGEVB Test Procedure	LV8746VGEVB_TEST_PROCEDURE.PDF (131kB)	1