幻彩贴片发光二级管

COLORFUL SURFACE MOUNTING LED

B1515A RGB，是一款三通道低压 LED灯串驱动芯片.

R/G/B 端口耐压最高达 12V，驱动电流 2.5mA；
PWM 频率典型值为 4kHz；
内置上电复位和掉电复位电路；
内置数据整形电路，保证数据经过多级级联不会产生波形畸变累加；
256 级灰度可调；
数据传输频率可达 800Kbps；
当刷新速率为 30 帧/秒时，芯片级联数可不小于 1024 点；

The maximum voltage withstand of R/G/B ports is up to 12V, and the driving current is 2.5mA;
The typical value of the PWM frequency is 4kHz;
Built-in power-on reset and power-down reset circuits;
Built-in data shaping circuit to ensure that no waveform distortion accumulation occurs after multi-level cascading of data;
256-level grayscale adjustable;
The data transmission frequency can reach 800Kbps;
When the refresh rate is 30 frames per second, the number of chip cascades is not less than 1,024 points.