描述 Description

The LV8747TA is a PWM constant-current control stepping motor driver and switching regulator controller IC.

特性 Features

? Two circuits of PWM constant-current control stepping motor driver incorporated
? Control of the stepping motor to W1-2 phase excitation possible
? Two circuits of switching regulator controller incorporated
? Timer latch type short-circuit protection circuit incorporated
? Output short-circuit protection circuit incorporated
? High-precision reference voltage circuit incorporated
? Thermal shutdown circuit incorporated
? Motor driver control power incorporated
? Chopping frequency selectable
? Upper and lower regenerative diodes incorporated

簡(jiǎn)介

LV8747TA屬于集成電路（IC）的電機(jī)驅(qū)動(dòng)器控制器。由制造生產(chǎn)的LV8747TA電機(jī)驅(qū)動(dòng)器，控制器產(chǎn)品屬于電機(jī)驅(qū)動(dòng)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(jiǎn)單開環(huán)速度控制到基于步進(jìn)電機(jī)的高級(jí)閉環(huán)運(yùn)動(dòng)控制。