说明：  TM1640 是一种LED （发光二极管显示器） 驱动控制专用电路， 内部集成有MCU 数 字接口、数据锁存器、LED 高压驱动等电路。本产品性能优良，质量可靠。主要应用 于电子秤及小家电产品的显示屏驱动。采用SOP28的封装形式。
(TM1640 is an LED (light emitting diode display) dedicated drive control circuit, the number of internally integrated MCU Digital interface, data latches, LED high voltage driver circuit. This product is excellent performance, reliable quality. Main applications In electronic scales and small appliances display driver. SOP28 s adoption package.)