Energy Efficient Innovations

Product Overview  


For complete documentation, see the data sheet.

Printed On: 7/11/2015

LC898212XC: Auto Focus (AF) Controller

Product Description
This LSI is an Auto Focus (AF) control LSI. It consists of 1 system of feed back circuit for AF control.
Features
 
  • Built-in equalizer circuit using digital operation :
    AF control equalize circuit
    Any coefficient can be specified by I2C I/F
  • I2C Interface
  • Built-in A/D converter :
    Maximum 10-bit
    Input 2 channel
  • Built-in D/A converter :
    8-bit Output
    2-channel (Hall offset, Constant current Bias)
  • Built-in OP Amp : 1 channel Hall Amp
  • Built-in OSC : 48MHz (Frequency adjustment function)
  • Built-in PWM pulse generator circuit : PWM circuit for AF control
  • 1-chip motor driver : Saturation drive H bridge 1 channel
  • Supply voltage :
    Logic unit = Internal core typ 1.2V, AVDD (2.6V to 3.6V)
  • Supply voltage :
    Driver unit = VM (2.6V to 3.6V)
Selected Electrical Specifications

Product Compliance Status Description Type VM Min (V) VM Max (V) VCC Min (V) VCC Max (V) IO Max (A) IO Peak Max (A) Step Resolution Control Type Feedback Method Current Sense Regulator Output Fault Detection Flyback Protection RDS(on) Typ (Ω) Package Type
 Pb-free 
 Halide free 
 Active     Auto Focus (AF) Controller   OIS/AF   2.6   3.6   2.6   3.6   0.13   0.195     I2C       Yes       7.7   WLCSP-12 / WLP-12 
Package Availability
Type
PB free
Standard
WLCSP-12 / WLP-12 x