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

Container Qty.

ON Target

VM Min (V)

VM Max (V)

VCC Min (V)

VCC Max (V)

IO Max (A)

IO Peak Max (A)

Step Resolution

Control Type

Current Sense

Fault Detection

Pricing ($/Unit)

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LC898217XH-MH

Active, Not Rec

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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