LV8729V: Stepper Motor Driver, PWM, Constant Current Control, 9 - 32 V

The LV8729V is a PWM current-controlled micro step bipolar stepper motor driver. This driver can do eight ways of micro step resolution of 1/128 step from Full step, and can drive simply by the CLK input.

Features

Output on-resistance (upper side : 0.35Ω ; lower side : 0.3Ω ; total of upper and lower : 0.65 ; Ta = 25°C, IO = 1.8A)
2-phase, 1-2 phase, W1-2 phase, 2W1-2 phase, 4W1-2 phase, 8W1-2 phase, 16W1-2 phase, 32W1-2 phase excitation are selectable.
Over current protection circuit.
Thermal shutdown circuit.
Single-channel PWM current control stepper motor driver.
BiCDMOS process IC.
Advance the excitation step with the only step signal input.
Available forward reverse control.
Input pull down resistance
With reset pin and enable pin

Benefits

Low Consumption
Various Step Adjustment Available, Low vibration, Silent drive are possible
Current protection
Thermal protection

Applications

Stepper Motors
Computing & Peripherals
Industrial

End Products

Security cameras
Flatbed Scanner
Inkjet Printer
Multi-Function Printer
Document Scanner
PoE Security Camera

Application Notes (1)

Document Title	Document ID/Size	Revision	Revision Date
LV8729V Motor Driver Application Note	ANDLV8729V/D (723kB)	2

Evaluation Board Documents (4)

Document Title	Document ID/Size	Revision
LV8729VGEVB Bill of Materials ROHS Compliant	LV8729VGEVB_BOM_ROHS.PDF (67kB)	0
LV8729VGEVB Gerber Layout Files (Zip Format)	LV8729VGEVB_GERBER.ZIP (103.0kB)	0
LV8729VGEVB Schematic	LV8729VGEVB_SCHEMATIC.PDF (142kB)	0
LV8729VGEVB Test Procedure	LV8729VGEVB_TEST_PROCEDURE.PDF (104kB)	1