背光驱动和闪光驱动ICZI2848ZI2848(High-Current Charge Pump For Applications)ICCo ZT EZTEIC DESIGN CO.,LTD.nf id eDatasheetVer1.02008-081ZTEIC DESIGN CO., LTDnt iBacklight Display and FlashalZI2848High-Current Charge Pump For Backlight Display and Flash ApplicationsThe ZI2848 is a tri-mode charge pump optimized for systems operating with lithium-ion/polymer batteries. The charge pump provides power for both white LED backlight and flash, with an integrated four channel backlight LED current sink plus two channel flash LED current sinks. Each backlight channel can drive up to 30mA, while each flash current sink/channel can drive up to 300mA (600mA total). Two independent S2Cwire serial digital interface inputs enable, disable, and set LED current to one of 32 levels for the backlight ……
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