LV8728MR Datasheet, PDF (1/23 Pages) ON Semiconductor – Stepper Motor Driver, PWM, Constant-Current Control,1/128 step

LV8728MR
Stepper Motor Driver,
PWM, Constant-Current Control,
1/128 step
Overview
The LV8728MR is a PWM current-controlled micro step stepper motor
driver. This driver can perform eight types of excitation mode from Full step
to 1/128 step and can drive simply by the CLK input.
www.onsemi.com
Function
 Single-channel PWM current control stepper motor driver
 BiCDMOS process IC
 Output on-resistance (upper side: 0.3 ; lower side: 0.25 ; total of upper
and lower: 0.55 ; Ta = 25C, IO = 2.0A)
 Full, Half, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128 step excitation mode are
selectable
 Advance the excitation step with the only step signal input
 Available forward reverse control
 I_O max = 2.0A
 Over-current protection circuit
 Thermal shutdown circuit
 Input pull down resistance
 With reset pin and enable pin.
Typical Applications
 Printer (Multi-function printer, 3D printer, etc.)
 Security camera
 Scanner
 Stage light
MFP30KR (375mil)
ORDERING INFORMATION
Ordering Code:
LV8728MR-AH
Package
MFP30KR
(Pb-Free / Halogen Free)
Shipping (quantity/packing)
1000 / Tape & Reel
† For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our Tape and Reel
Packaging Specifications Brochure, BRD8011/D.
http://www.onsemi.com/pub_link/Collateral/BRD8011-D.PDF
Maximum Ratings (Note 1)
Parameter
Maximum supply voltage
Maximum output current
Maximum logic input voltage
Symbol
VM max
IO max
VIN max
Conditions
VM , VM1 , VM2
Per 1ch
ST , MD1 , MD2 , MD3 , OE , RST , FR ,
STEP
Ratings
Unit
36
V
2.0
A
6
V
Maximum FDT input voltage
VFDT max
6
V
Maximum VREF input voltage
VREF max
6
V
Maximum MO input voltage
Maximum DOWN input voltage
Allowable power dissipation (Note 2)
VMO max
VDOWN max
Pd max
6
V
6
V
1.55
W
Operating temperature
Topr
-30 to +85
C
Storage temperature
Tstg
-55 to +150
C
1. Stresses exceeding those listed in the Absolute Maximum Rating table may damage the device. If any of these limits are exceeded,
device functionality should not be assumed, damage may occur and reliability may be affected.
2. Specified circuit board: 76.1mm114.3mm1.6mm, glass epoxy board.
© Semiconductor Components Industries, LLC, 2016
1
June 2016 - Rev. 1
Publication Order Number:
LV8728MR/D