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LV8727

更新时间： 2024-11-09 11:41:07
品牌 Logo 应用领域
三洋 - SANYO 驱动器电机
页数 文件大小 规格书
23页 365K
描述
PWM Current Control Stepping Motor Driver

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中文翻译

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LV8727 数据手册

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Ordering number : ENA1998  
Bi-CMOS LSI  
LV8727  
PWM Current Control  
Stepping Motor Driver  
Overview  
The LV8727 is a PWM current-controlled micro step bipolar stepping motor driver. This driver can do eight ways of micro  
step resolution of Half, 1/8, 1/16, 1/32, 1/64, 1/128, 1/10, 1/20 Step, and can drive simply by the step input.  
Features  
• Single-channel PWM current control stepping motor driver.  
• Output on-resistance (upper side : 0.25Ω ; lower side : 0.15Ω ; total of upper and lower : 0.4Ω ; Ta = 25°C, I = 4.0A)  
O
• Half, 1/8, 1/16, 1/32, 1/64, 1/128, 1/10, 1/20 Step are selectable.  
• Advance the excitation step with the only step signal input.  
• BiCDMOS process IC.  
• Available forward reverse control.  
• Thermal shutdown circuit.  
• I max=4.0A  
O
• Input pull down resistance  
• With reset pin and enable pin.  
Specifications  
Absolute Maximum Ratings at Ta = 25°C  
Parameter  
Symbol  
Conditions  
Ratings  
Unit  
V
Supply voltage  
V
I
max  
50  
M
Output current  
max  
peak  
max  
4
A
O
Output peak current  
Logic input voltage  
I
tw≤10ms, duty 20%  
4.6  
A
O
V
6
V
IN  
VREF input voltage  
VREF max  
/V  
6
6
V
MO / DOWN pin input voltage  
Allowable power dissipation  
Operating temperature  
Storage temperature  
V
max  
V
MO DOWN  
Pd max  
Topr  
Indipendent IC  
2.45  
W
°C  
°C  
-30 to +85  
-55 to +150  
Tstg  
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.  
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high  
voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.  
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. 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 new introduction or other application different  
from current conditions on the usage of automotive device, communication device, office equipment, industrial  
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) 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.  
N1611 SY 20111019-S00003 No.A1998-1/23  
1234567...23

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