LP5526 - 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

LP5526是TI德州仪器公司的一款指示灯/RGBW产品，LP5526是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，本站介绍了LP5526的封装应用图解、特点和优点、功能等，并给出了与LP5526相关的TI元器件型号供参考。

LP5526 - 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 - 指示灯/RGBW - LED驱动器 - 德州仪器

产品描述

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.

产品特性

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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