LC898212XD: Auto Focus (AF) Controller

This LSI is 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 circuitAny coefficient can be specified by I2C I/F
  • I2C Interface
  • Built-in A/D converter :Maximum 10-bitInput 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)
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
AF ControllerENA2242/D (236kB)0
Package Drawings (1)
Document TitleDocument ID/SizeRevision
WLCSP12, 1.77x1.37567GH (56.9kB)O
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
LC898212XD-SHActivePb-free Halide freeWLCSP-12567GH1Tape and Reel5000$0.5347
Specifications
ProductVM Min (V)VM Max (V)VCC Min (V)VCC Max (V)IO Max (A)IO Peak Max (A)Step ResolutionControl TypeFeedback MethodCurrent SenseRegulator OutputFault DetectionFlyback ProtectionRDS(on) Typ (Ω)
LC898212XD-SH2.63.62.63.60.130.195I2CYes7.7
AF Controller (236kB) LC898212XD
WLCSP12, 1.77x1.37 LC898212XD