LED colored lamp string data output port level conversion driving circuit and method

The embodiment of the invention discloses an LED colored lamp string data output port level conversion driving circuit and method, and the circuit comprises a current reference module, a floating power module, a first level conversion module, a second level conversion module, a first gate driving module, a second gate driving module, a combined control module, a first PMOS tube, and a first NMOS tube. And a low-voltage input signal is converted into a high-voltage data signal and the high-voltage data signal is output. The circuit meets the requirements of the speed, pulse width distortion and transmission delay of the data output port of the high-voltage LED colored lamp string at the ns level, can be applied to data forwarding of the cascaded data output port of the high-voltage LED colored lamp string, and has a wide application prospect. 本发明的一个实施例公开了一种LED彩灯灯串数据输出口电平转换驱动电路和方法，该电路包括：通过电流基准模块、浮地电源模块、第一电平转换模块、第二电平转换模块、第一栅驱动模块、第二栅驱动模块、组合控制模块、第一PMOS管和第一NMOS管，将低电压输入信号转换成高电压数据信号输出。该电路满足高压LED彩灯灯串数据输出口的速度、脉宽失真、传输延迟