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  • VCM Driver Included hall sensor
  • Smart Phone, Tablet PC, Mobile device
  • SA3204
  • Small Package, 6pin, WLCSP PKG
  • 1.8 x 0.8 x 0.33

SA3204 is voice coil motor driver for camera auto focus. The SA3204 includes PID controller, linear Hall effect sensor and motor driver.

Also, the SA3204 has an internal oscillator and current control circuit which can be controlled

Through I2C interface by external micro-controller.

Built in Hall sensor 4ea
Built in temperature compensation function
11bit AD/DA Interface
Maximum Output driving current : +/- 100mA
25kHz PID closed-loop control
1MHz I2C Interface, 1.8V CMOS Level Input
Non-volatile memory free access space : 32bytes
Built-in Frequency Response Test interface

Applications


Hall sensor position


Block Diagram


Application Circuit

목록