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LV8728
[马达/运动/点火控制器和驱动器 步进电机驱动]
型号:   LV8728
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描述:   [马达/运动/点火控制器和驱动器 步进电机驱动]
文件大小:  822 K
PDF页数:   24 页
联系供应商:  购买产品LV8728
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品牌:  ONSEMI [ ON SEMICONDUCTOR ]
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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.
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
Typical Applications
Printer (Multi-function printer, 3D printer, etc.)
Security camera
Scanner
Stage light
Maximum Ratings
(Note 1)
Parameter
Maximum supply voltage
Maximum output current
Maximum logic input voltage
Maximum FDT input voltage
Maximum VREF input voltage
Maximum MO input voltage
Maximum DOWN input voltage
Allowable power dissipation (Note 2)
Operating temperature
Symbol
VM max
IO max
VIN max
VFDT max
VREF max
VMO max
VDOWN max
Pd max
Topr
VM , VM1 , VM2
Per 1ch
ST , MD1 , MD2 , MD3 , OE , RST , FR ,
STEP
Conditions
Ratings
36
2.0
6
6
6
6
6
1.55
-30 to +85
Unit
V
A
V
V
V
V
V
W
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