DW9787
SMA-OIS Controller
Overview
The DW9787 is a general purpose SMA OIS controller and driver IC for the camera module. This consists of built-in MCU, embedded flash memory, SRAM, and the PWM controller to drive SMA actuators.
For more detailed description of the device, please download a product brief.
Features
- 4-wire SMA driver
- Internal 32-bit MCU
- SMA OIS servo controller
- Gyro sensor filter
- Driver
- PWM sink driver (4ch)
- Memory
- eFlash of 64KB (32KB is for MCU program, and 32KB is for sensor calibration and others)
- SRAM of 32KB and 8KB
- Peripherals
- ADC: 12bit for resistance and temperature sensing
- DAC: 8bit for offset adjusting of OpAmp
- SPI master or slave I/F (4 or 3-wire serial I/F)
Block Diagram
For more information or a full datasheet request, please contact the factory at sales@hmisemi.com.