Datasheet Texas Instruments LP55281RLX/NOPB — 数据表

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SNVS458D – JUNE 2007 – REVISED OCTOBER 2016 LP55281 12-Channel RGB/White-LED Drive With SPI, I2C Interface
1 Features 3 Description The LP55281 device is a quadruple RGB LED driver
for handheld devices. It can drive 4 RGB LED sets
and a single fun-light LED. The boost DC-DC
converter drives high current loads with high
efficiency. The RGB driver can drive individual color
LEDs or RGB LEDs powered from boost output or
external supply. Built-in audio synchronization feature
allows user to synchronize the fun-light LED to audio
inputs. The flexible SPI or I2C interface allows easy
control of LP55281. A small YZR0036 or YPG0036
package, together with minimum number of external
components, is a best fit for handheld devices. The
LP55281 also has an LED test feature, which can be
used, for example, in production for checking the LED
connections. 1 Audio Synchronization for a Single Fun-Light LED
Four PWM Controlled RGB LED Drivers …