LV8772: Stepping Motor Driver, PWM, Constant Current Control

The LV8772 is a stepping motor driver, which is capable of micro-step drive and supports 4W 1-2 phase excitation. It has Low On Resistance with motor current selectable in four steps. The LV8772 is equipped with unusual condition warning output pins and output short-circuit protection feature to enhance the safety of the application. It is most suitable for the drive of a stepping motor for OA, amusements.

Features

Low on resistance (total of upper and lower: 0.55ohm, Ta=25C)
Micro-step mode can be set to Full-step, Half-step, Quarter-step, or 1/16-step
Motor current selectable in four steps
Output short-circuit protection circuit incorporated
Built-in thermal shutdown circuit
No control power supply required
Vcc: 9 to 32 V
CLK-IN
Single-channel PWM current control stepping motor driver incorporated.
BiCDMOS process IC
Excitation step proceeds only by step signal input
Unusual condition warning output pins

Benefits

High efficiency
Various step adjustments available
Low consumption capability
Short protection
Thermal protection
Easy Design
Wide range of supply voltage
Easy control for micro-step drive

Applications

Industrial
Amusement

End Products

Slot Machine
Vending Machine
Cash Machine
PPC (Plain Paper Copier)
LBP (Laser Beam Printer)
Scanner
Textile

Application Notes (1)

Document Title	Document ID/Size	Revision	Revision Date
LV8772 Motor Driver Application Note	ANDLV8772/D (778kB)	1

Package Drawings (1)

Document Title	Document ID/Size	Revision
PDIP28 W/ HEAT SPREADER / DIP28H (500 mil)	646AX (62.0kB)	A

Data Sheets (1)

Document Title	Document ID/Size	Revision	Revision Date
Stepping Motor Driver, PWM, Constant Current Control	LV8772 (211.0kB)	0

Evaluation Board Documents (4)

Document Title	Document ID/Size	Revision
LV8772GEVB Bill of Materials ROHS Compliant	LV8772GEVB_BOM_ROHS.PDF (36kB)	0
LV8772GEVB Gerber Layout Files (Zip Format)	LV8772GEVB_GERBER.ZIP (268.0kB)	0
LV8772GEVB Schematic	LV8772GEVB_SCHEMATIC.PDF (66kB)	0
LV8772GEVB Test Procedure	LV8772GEVB_TEST_PROCEDURE.PDF (135kB)	1