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  • VCM Driver IC
  • Cell Phone, Digital Still Camera, Security Camera
  • SA1606
  • 6-Ball WLCSP Package With 0.4-mm Pitch
  • 0.80 x 1.20 x 0.33 mm

The SA1606 is voice coil motor driver for camera auto focus. It has an integrated DAC for setting the VCM current. VCM current is controlled with a linear mode driver.

Current generation can be selected via I2C register.

The SA1606 device has an integrated sense resistor for current regulation and the current can be controlled through I2C When changing the current in the VCM, the lens ringing is compensated with an advanced ringing compensation function.

Ringing compensation reduces the needed time for auto focus significantly.

The devise also has VCM short and open protection functions.

Integrated 10bit DAC for VCM Current Control

120mA Current Sink

Power Down ( <1uA )

Advanced Ringing Compensation for fast settling

I2C Interface ( Fast Mode )

Supply voltage range : 2.3V ~ 5V

Operating Temperature Range : -40℃ to 85℃

Applications


Block Diagram


Control and Lens position

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