XRP6840(V2) Datasheet PDF - Exar Corporation

General Description:
XRP6840 controlled current dual cell super capacitor charger and high power LED driver. Operating from a standard lithium-ion battery the XRP6840 provides up to 4.3A of programmable flash LED current and up to 600mA and 5.6V of programmable super capacitor charging current and voltage.

KEY FEATUREs:
● Programmable 4.3A flash led
   driver
   o Torch and flash modes
   o 2 and 3 channel version
● programmable super capacitor charger
   o 600mA adjustable charging current
   o programmable super capacitor voltage
   o In-rush current control
   o Active voltage balance control
● Trimode charge pump Architecture
   o 1x,1.5x and 2x operation mode
   o 2.4Mhz Switching Frequency
● I2c serial Interface
● Thermal, Over Current and Output Short Protection
● LED Short Detection
● RoHS complaint “green”/halogen free 20-pin TQFN package

APPLICATIONs:
● High Power Torch/Strobe/Flash LED
● High Resolution cameras
● Generic High Power Lighting
● High Power White LED Backlighting