PP1880 : Single Chip Liquid Lens Driver for Mobile Applications

General Description

PP1880 Driver is optimized for 60V Varioptic Lens.
PP1880 has 3-wire serial interface to communicate with ISP Auto-Focus controller.
PP1880 has variable I/O voltage options.
PP1880 has DC-to-DC converter to boost up Lens driving voltage up to 60V typ. from battery voltage source and has up to 80V Option.
PP1880 is available in the MLF™ 4mm x 4mm 24pin package.
PP1880 has direct Zoom In / Zoom Out function.
PP1880 supports sleep and wake-up function
PP1880 supports variable interface VIO voltage 1.65V ~ VBAT+0.4V

Freatures

DC Converter
- 3.0V ~ 5.5V to 60V Boost Up DC converter with 80V Option
- External Switching Transistor, Inductor and Schottky Diode
3 Wire Serial Bus
- 12bit Data Width Serial Communication with ISP(Image Signal Processor)
- Programmable Internal Pull-up Resister, Serial Clock and Data Line
- Support Serial Read and Write Function and Sleep Function
Internal Oscillator
- Precision Internal R-C Ring Oscillator
DAC
- 12bit Resolution Internal Digital to Analog Converter for Lens Driver Voltage Generation.
High Voltage Driver
- Optimized Differential Signal Driver for Varioptic Lens
Device Address
- External Device Address Setting Option ADDR0/ADDR1
Operating Voltage Range
- VBAT : 3.0V ~ 5.5V
- VLDO : 2.45V ~ 2.80V
- VIO : 1.65V ~ VBAT+0.4V
Operating Temperature Range
- -20ºC to +80ºC
Package Type
- MLF 4mm X 4mm 24 Pin / Amkor

Applications

Portable Electronic Devices, Such As
- Mobile Phone/Camera Phone
- Digital Still Camera
- Personal Digital Assistant(PDA)
- Information Appliance(IA)

Block Diagram

Products/Packages