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PDF LV8414CS Data sheet ( Hoja de datos )
| Número de pieza | LV8414CS | |
| Descripción | Microstep Driver Motor Driver IC | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA1868
LV8414CS
Bi-CMOS IC
Microstep Driver Motor Driver IC
Overview
The LV8414CS is a motor driver IC that incorporates two channels of PWM constant-current control micro-step
drivers. Miniaturization using the wafer level package (WLP) makes the IC ideally suited for driving the stepping
motors used to control the lenses in digital still cameras, cell phone camera modules and other such devices.
Features
• Two channels of 256-division micro-step drivers
• Excitation step proceeds only by step signal input
• Peak excitation current switchable to one of 16 levels
• Serial data control using I2C interface
• Built-in thermal protection circuit
• Low supply voltage protection circuit incorporated
• On-chip photo sensor drive transistors
• On-chip Schmitt buffer
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage 1
Maximum supply voltage 2
Output peak current
Continuous output current 1
Continuous output current 2
Allowable power dissipation
VM max
VCC max
IOpeak
IO max1
IO max2
Pd max
ch1 to 4
t ≤ 10ms, ON-duty ≤ 20%
ch1 to 4
PI
*Mounted on a specified board.
Operating temperature
Topr
Storage temperature
Tstg
* Specified circuit board : 40mm×50mm×0.8mm, glass epoxy four-layer board.
Ratings
6.0
6.0
600
400
30
1.0
-30 to +85
-55 to +150
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
Unit
V
V
mA
mA
mA
W
°C
°C
D1510 SY PC 20101025-S00003 No.A1868-1/36
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Pin Functions
LV8414CS
Pin No.
Pin Name
Function
A1 BI1
A6 BI2
B3 SCL
Schmitt buffer input pin
I2C Interface
IN
Equivalent Circuit
VCC
B4 SDA
I2C Interface
SDA
SGND
VCC
E2 ENA
C2 CLK1
C5 CLK2
D2 FR1
D5 FR2
Chip enable pin
Step signal input pin
Forward/reverse rotation setting signal input pin
A2 OUT1A
A5 OUT3A
C1 OUT1B
C6 OUT3B
D1 OUT2A
D6 OUT4A
F2 OUT2B
F5 OUT4B
B1 RF1
B6 RF2
E1 RF3
E6 RF4
E5 MO
F1 BO1
F6 BO2
H bridge output pin
Current-sense resistor connection pins
Monitor output pin
Schmitt buffer output pin
IN
100kΩ
SGND
VCC
SGND
VM
OUT
RF
VCC
500Ω
OUT
SGND
Continued on next page.
No.A1868-5/36
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LV8414CS
Continued from preceding page.
Register Address
Data
A7 A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
Setting mode
* * * * * *00
* * * * * *01
* * * * * *10
1/2ch
CLK1 division setting
* * * * * *11
* * * *00* *
* * * *01* *
* * * *10* *
3/4ch
CLK2 division setting
* * * *11* *
00000010
* *00* * * *
* *01* * * *
* *10* * * *
1/2ch
Excitation mode setting
* *11* * * *
00* * * * * *
01* * * * * *
10* * * * * *
3/4ch
Excitation mode setting
11* * * * * *
* * * * * *00
* * * * * *01
Chopping frequency setting
* * * * * *10
* * * * * *11
* * * * *0* *
00000011* * * * *1* *
Photo sensor driving
* * * *0* * *
* * * *1* * *
MO output
Channel setting
* * *0* * * *
* * *1* * * *
MO output position
********
Dummy data
Set contents
1 (frequency division)
1/2
1/4
1/8
1 (frequency division)
1/2
1/4
1/8
Micro-step
1-2 phase
1-2 phase (full torque)
2 phase
Micro-step
1-2 phase
1-2 phase (full torque)
2 phase
400kHz
200kHz
600kHz
300kHz
OFF
ON
1/2ch
3/4ch
Initial position
1-2 phase position
-
No.A1868-11/36
Datasheet pdf - http://www.DataSheet4U.net/
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