G2205

Global Mixed-mode Technology G2205 7+6 Channels PMIC for DSC Features „ 1.5V ~ 5.5V Input Voltage Operation. „ 95% Efficient DC/DC Converter „ Highly Integrated 7-CH DC/DC with integrated Power MOSFETs „ Main Channel Selectable Buck or Boost for 2*AA or Li-Ion Application „ Built-in 6 Channel Synchronous Rectified Current-Mode PWM/PSM Converter, 1 Channel Non-Synchronous Rectified Current-Mode PWM Converter. „ Boost Type with LED open protection LED Driver „ 32-steps brightness control by I2C for LED Driver „ Built-in HV LDO and RTC LDO „ Built-in 4 LDO regulators „ Low Power Consumption ( Sleep Mode ) < 10µA. „ Built-In Selectable Power ON/OFF Sequence for 4 Channel Synchronous Rectified Converter. „ Built-In Power ON/OFF Sequence by I2C for CCD+,CCD- power, and HVLDO. „ Built-In Short Circuit Protection (SCP) & Under Voltage Protection (UVP) „ Cycle-by-Cycle current limit for DC/DC Converter „ Built-In Thermal Shutdown Function. „ Built-In Battery OVP Function. „ Built-In Soft-Start Function. „ Built-In True Shutdown in Boost Converter. „ Fixed 1.5MHz/750KHz Operating Frequency. „ TQFN40 Package (5mmx5mm). Applications DSC and DV Power Supply General Description The G2205 provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-channel controllers in 2-cell AA, 1-cell Li-Ion, and multi-battery designs. On-chip MOSFETs provide up to 92~95% efficiency for critical power supplies. All channels...