LP3958 - 具有电压升压转换器的照明管理单元

LP3958是TI德州仪器公司的一款背光产品，LP3958是具有电压升压转换器的照明管理单元，本站介绍了LP3958的封装应用图解、特点和优点、功能等，并给出了与LP3958相关的TI元器件型号供参考。

LP3958 - 具有电压升压转换器的照明管理单元 - 背光 - LED驱动器 - 德州仪器

产品描述

LP3958 is a Lighting Management Unit for portable applications. It is used to drive display backlight and keypad LEDs. The device can drive 5 separately connected strings of LEDs with high voltage boost converter.

The keypad LED driver allows driving LEDs from high voltage boost converter or separate supply voltage.The MAIN and SUB outputs are high resolution current mode drivers. Keypad LED outputs can be used in switch mode and current mode. External PWM control can be used for any selected outputs.

The device is controlled through 2-wire low voltage I2C compatible interface that reduces the number of required connections.

LP3958 is offered in a tiny 25-bump DSBGA package.

产品特性

High-Efficiency Boost Converter With Programmable Output Voltage
Two Individual Drivers for Serial Display Backlight LEDs
Three Drivers for Serial Keypad LEDs
Automatic Dimming Controller
Stand Alone Serial Leypad LEDs Controller
Three General-Purpose IO Pins
25-Bump DSBGA Package: 2.54mm x 2.54mm x 0.6mm

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