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LV8741V: PWM 电流控制步进电机驱动器

Datasheet: PWM Current Control Stepper Motor Driver
Rev. 2 (728kB)
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LV8741V 是一款 2 沟道 H 桥驱动集成电路,可以开关步进电机驱动器,能够进行微步驱动,支持四分之一步进励磁,还能开关有电刷电机驱动器的两个沟道,支持电机的正向、逆向、制动和待机。适用于驱动办公设备和娱乐应用中使用的有电刷直流电机和步进电机。
特性   优势
     
  • On resistance (upper side : 0.5Ω ; lower side : 0.5Ω ; total of upper and lower : 1.0Ω ; Ta = 25°C, IO = 1.5A)
 
  • High Efficiency
  • Excitation mode can be set to Full-step, Half-step full torque, Half-step or Quarter-step
 
  • Various Step Adjustment Available
  • Motor current selectable in four steps
 
  • Low Consumption
  • Output short-circuit protection circuit (selectable from latch-type or auto reset-type) incorporated
 
  • Safety Design
  • Thermal shutdown circuit and power supply monitor circuit incorporated
 
  • Thermal protection, Low voltage detection
  • CLK-IN Input
 
  • Easy Control for Micro-step Drive
  • Single-channel PWM current control stepper motor driver (selectable with DC motor driver channel 2) incorporated.
   
  • BiCDMOS process IC
   
  • Excitation step proceeds only by step signal input
   
  • IO max = 1.5A
   
  • No control supply required VCC = 3.3V
   
  • Unusual Condition Warning Output Pin
   
应用   终端产品
  • Stepper/Brush DC Motors
  • Computing & Peripherals
  • Industrial
 
  • Printers
  • Flatbed Scanner
  • Inkjet Printer
  • Multi-Function Printer
  • Document Scanner
  • Slot Machine
  • Vending Machine
  • Cash Machine
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
LV8741VGEVB Active
Pb-free
2-Channel H-Bridge Driver IC Evaluation Board
Availability & Samples
Specifications
应用框图
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
Temperature
类型
数量
LV8741V-MPB-E Obsolete
Pb-free
LV8741V SSOP-44K EP 940AF 3 260 Fan-Fold 30  
LV8741V-TLM-E Active
Pb-free
LV8741V SSOP-44K EP 940AF 3 260 Tape and Reel 2000 $1.6973
LV8741VB-MPB-E Obsolete
Pb-free
LV8741V SSOP-36J EP 940AH 3 260 Fan-Fold 30  
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : 4 to 8
市场订货至交货的时间(周) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
VM Min (V)
VM Max (V)
VCC Min (V)
VCC Max (V)
IO Max (A)
IO Peak Max (A)
Step Resolution
Control Type
Current Sense
Fault Detection
Package Type
LV8741V-TLM-E  
 $1.6973 
Pb
 Active   
9.5
35
2.7
5.5
1.5
1.75
½
Clock
External Resistor
Over-Current
SSOP-44K EP
外形
940AF    940AH   
LV8741V: PWM 电流控制步进电机驱动器
LV8741V: PWM 电流控制步进电机驱动器
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