Motor Drivers, Stepper | LC898217XH

Auto Focus (AF) Controller & Driver with 128 Byte EEPROM

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Overview

LC898217XH is the AF control LSI. It consists of 1 system of feedback circuit for AF control. Built-in equalizer circuit using digital operation. Built-in A/D converter, D/A converter, Constant Current Driver. LC898217XH contains an internal EEPROM. It easily accomplishes Hall calibration and power-on sequence. Also LC898217XH has fast settling function for quickly moving focus lens. This is suitable for small & thinner camera module.

  • Auto Focus (AF) Camera Module
  • Smart Phones
  • Tablets
  • Built-in equalizer circuit using digital operation
    - AF control equalize circuit
    - Any coefficient can be specified by 2-wire serial I/F (TWIF)
  • Thin package
  • Built-in Constant Current Driver
    - 110 mA
    - 1 channel
  • 2-wire serial interface
    (The communication protocol is compatible with I2C)
  • Built-in A/D converter
    - Input 1 channel
  • Built-in D/A converter
    - Output 2 channel (Hall offset, Constant current bias)
  • Built-in VGA- Hall Amp- 1 channel
  • Built-in EEPROM- 128 byte (16 byte/page)
  • Built-in OSC
  • Supply voltage- VDD (2.6 V to 3.3 V)

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

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ON Target

VM Min (V)

VM Max (V)

VCC Min (V)

VCC Max (V)

IO Max (A)

IO Peak Max (A)

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Current Sense

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LC898217XH-MH

Active

Pb

A

H

P

WLCSP-10

567TH

1

260

REEL

4000

N

2.6

3.3

2.6

3.3

0.115

~NA~

~NA~

Serial

~NA~

~NA~

Price N/A

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