描述 Description

LV8804FV is a 3-phase sensorless motor driver IC. 3-phase driver allows low power consumption and low vibration. And Hall sensorless drive allows reduction of the size of a motor system. This IC is suitable for use in products which require high reliability and long life such as note server fan and refrigerator fan.

特性 Features

? Direct PWM three-phase sensorless motor driver
? Easy Manufacturing
? Built-in current limit circuit (Operates when RF resistance is 0.25Ω and Io=1A)
? Current protection
? Built-in lock protection and auto-recovery circuit
? Destruction protection
? Built-in TSD (thermal shutdown) circuit
? Thermal protection
? PWM(Pulse width Modulation) control
? High Efficiency
? Soft-Booting
? Stability at booting
? Soft-Switching
? Silent
? 1chip Driver
? Easy Manufacturing
? NchDMOS output transistor
? FG (rotation count) output signal pin
? Minimum speed setting MINSP pin
? Motor startup with soft-start (SOFTST pin)
? DC voltage input for speed control
? 12V-system (Vccmax=16V)

應(yīng)用 Application

? Consumer
? Computing & Peripherals
? Refrigerator
? Server
? Desktop Computer

簡介

LV8804FV屬于集成電路（IC）的電機(jī)驅(qū)動器控制器。由制造生產(chǎn)的LV8804FV電機(jī)驅(qū)動器，控制器產(chǎn)品屬于電機(jī)驅(qū)動器和控制器電源管理集成電路 (PMIC) 系列，可用于控制或操作從某電源施加到電機(jī)或相關(guān)機(jī)電執(zhí)行器的電源。所實(shí)現(xiàn)的具體功能和特性集根據(jù)預(yù)期負(fù)載和預(yù)期應(yīng)用的特性有很大差異，范圍從用于有刷電機(jī)的簡單開環(huán)速度控制到基于步進(jìn)電機(jī)的高級閉環(huán)運(yùn)動控制。