LV8714TA数据手册集成电路（IC）的电机驱动器控制器规格书PDF

描述 Description

The LV8714TA is an extremely energy efficient dual stepper motor driver with operating voltage range from 4 V to 16.5 V. With low on resistance type power FETs, loss-less current sensing, synchronous rectification, and ultra-low standby current (

特性 Features

• Quad H-bridges with PWM based constant-current control
• One-chip solution that drives dual stepper or quad DC motors
• Power FETs with low on resistance (Upper: 0.6Ω, Lower: 0.3Ω, Total of upper and lower: 0.9Ω @ Ta=25°C, Io=1.5A)
• Minimizes power loss while in operation
• Internal current sense mechanism without external power resistors
• Loss-less current sensing that enhances energy efficiency
• On-chip regulators for logic circuits and power FETs biasing
• Single supply operation without external component
• Power saving mode with ultra-low standby current (
• Enhances energy efficiency of the system solution
• Built-in system protection functions such as thermal shutdown, low-voltage shutdown and over-current protection
• Reliable system solution under harsh operating conditions
• Full, Half, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256 and over microstep drive is realizable by controlling VREF voltage
• High convenience by abundant excitation mode, and low vibration by high resolution

应用 Application

• Industrial
• Computing & Peripherals
• Surveillance Camera
• Stagelight
• Scanner
• POS and Multi-purpose Printers

简介

LV8714TA属于集成电路（IC）的电机驱动器控制器。由制造生产的LV8714TA电机驱动器，控制器产品属于电机驱动器和控制器电源管理集成电路 (PMIC) 系列，可用于控制或操作从某电源施加到电机或相关机电执行器的电源。所实现的具体功能和特性集根据预期负载和预期应用的特性有很大差异，范围从用于有刷电机的简单开环速度控制到基于步进电机的高级闭环运动控制。