LP3952 - 具有音频同步的 6 通道彩色 LED 驱动器

LP3952是TI德州仪器公司的一款指示灯/RGBW产品，LP3952是具有音频同步的 6 通道彩色 LED 驱动器，本站介绍了LP3952的封装应用图解、特点和优点、功能等，并给出了与LP3952相关的TI元器件型号供参考。

LP3952 - 具有音频同步的 6 通道彩色 LED 驱动器 - 指示灯/RGBW - LED驱动器 - 德州仪器

产品描述

LP3952 is a color LED driver for battery powered handheld devices. It drives any color LEDs including RGB LEDs, indicator LEDs and keypad backlight LEDs. The boost DC-DC converter drives high current loads with high efficiency. The stand-alone command based RGB controller is feature rich and easy to configure. Different lighting patterns and blinking sequences can be programmed to driver registers. Built-in audio synchronization feature allows user to synchronize the color LEDs to audio signal. LED lighting can be controlled either by audio signal amplitude or frequency. There are many controls available for audio synchronization to get desired lighting effect, including gain, speed, and different filter settings. The flexible I2C interface allows easy control of LP3952. LED outputs can be also controlled with external PWM signal. Small DSBGA package together with minimum number of external components is a best fit for handheld devices.

产品特性

Constant current and PWM controlled color LED drivers
Maximum current 40mA / output in constant current mode, supports also switch mode control with 50 mA maximum current / output
Complete audio synchronization for color/RGB LEDs with amplitude, frequency and speed optimization
Command based lighting pattern generator for RGB LEDs
Programmable ON/OFF blinking sequences for RGB1 outputs
High efficiency Boost DC-DC converter with programmable VOUTand fSW
I2C compatible interface
Possibility for external PWM dimming control
Small package – 36-bump DSBGA, 3.0 x 3.0 x 0.65 mm

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