说明：  TM1926是十二通道LED固定恒流驱动控制专用电路， 内部集成有MCU单线数字接口、 数据锁存器、 LED 固定恒流驱动，PWM辉度控制等电路。芯片可通过单线数字接口（DIN、DO）级联，外部控制器只需单线 就可控制该芯片和与其级联的后续芯片。TM1926输出端口的PWM辉度可单独通过外部控制器设置。VDD 引脚内部集成5V稳压管，外围器件少。本产品性能优良，质量可靠。
(TM1926 is a twelve-channel constant current LED driver control fixed dedicated circuit, integrated MCU internal wire digital interface, data latches, LED Fixed constant current driver, PWM brightness control circuit. By-wire digital interface chip (DIN, DO) cascade, the external controller simply singlet You can control the chip and its subsequent cascade chips. TM1926 output port PWM brightness can be set individually by an external controller. VDD Pin integrated 5V regulator, less peripheral devices. This product is excellent performance, reliable quality.)