The RT9592 is a highly integrated photoflash charging solution with auto refresh function in digital and film cameras. It is targeted for applications that use either two AA batteries or a single lithium-ion battery. The RT9592 integrates a constant current controller for charging high voltage photoflash capacitor quickly and efficiently, an IGBT driver for igniting flash tube. Only a few external components are used to reduce PCB space and cost. RT9592 is available in VQFN-16L 3x3 package.