LP5526中文资料具有高电压升压转换器（高达 150mA 串联闪存 LED 驱动器）的照明管理单元数据手册TI规格书

描述 Description

LP5526 is a Lighting Management Unit for portable applications. It is used to drive display backlights, keypad LEDs, RGB LEDs and camera flash LEDs. LP5526 can drive 2 separately connected strings of LEDs with high voltage boost converter. The RGB driver allows driving either individual color LEDs or RGB LED from separate supply power, or it can be used to drive series connecter flash LEDs from high voltage boost converter.
The backlight drivers (MAIN and SUB pins) are both high resolution constant current mode drivers. The flash outputs can drive series connected flash LED with up to 150mA of current. External PWM control can be used for dimming any selected LED outputs or it can be used to trigger the flash. The flash has also 1-second safety timer.
The device is controlled through a 2-wire low-voltage I2C compatible interface that reduces the number of required connections.

特性 Features

·High-Efficiency Boost Converter With Programmable Output Voltage up to 20V
·Two Individual Drivers for Serial Display Backlight LEDs
·Automatic Dimming Controller
·Standalone RGB Controller
·Dedicated Flash Function
·Safety Function to Avoid Prolonged Flash
·Three General-Purpose IO Pins
·25-Bump DSBGA Package: (2.54mm x 2.54mm x 0.6mm)
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