描述 Description

This LSI is Closed-Auto Focus control LSI equipped with hall sensor. It consists of 1 system feedback circuit and constant current driver. It has also a built-in EEPROM and temperature sensor.

特性 Features

? Built-in equalizer circuit using digital operation- AF control equalizer circuit- Any coefficient can be specified by 2-wire serial I/F (TWIF)
? Auto focus performance is good at focusing time.and suitable for any types of actuators
? Built-in EEPROM- 128 byte (16 byte/page)
? Suitable for small & thinner camera module
? Built-in Constant Current Driver- 140 mA
? Current driver makes a camera module less noise
? 2-wire serial interface(The communication protocol is compatible with I2C.)
? Built-in A/D converter
? Built-in D/A converter- Hall offset- Constant current bias
? Built-in Hall Sensor- Si Hall sensor
? Built-in VGA- Hall Amp
? Built-in OSC
? Package- WL-CSP 8-pin- Pb-Free, Halogen Free
? Supply voltage- VDD (2.6 V to 3.3 V)

應(yīng)用 Application

? AF Driver
? Smartphones
? Tablets
? Wearable Devices

簡介

LC898219XI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LC898219XI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(dòng)控制。