LED driver control dedicated circuit TM1628

1、 Overview

     TM1628 is a dedicated IC for LED (Light Emitting Diode Display) driver control with keyboard scanning interface, which integrates MCU digital interface, data latch, LED driver, keyboard scanning and other circuits inside. This product has reliable quality, good stability, and strong anti-interference ability. Mainly suitable for home appliances (smart water heaters, microwave ovens, washing machines, air conditioners, induction cookers), set-top boxes, electronic scales, smart meters and other digital tubes or LED display devices.

2、 Characteristic Description

• Adopting CMOS technology

•Multiple display modes (10 segments x 7 bits to 13 segments x 4 bits)

•Maximum support matrix buttons 10 × 2

• Brightness adjustment circuit (8-level duty cycle adjustable)

•Serial interfaces (CLK, STB, DIO)

• Vibration mode: Built in RC oscillation

• Built in power on reset circuit

• Built in data latch circuit

•Built in optimization circuit for LED reverse bias leakage causing dimming and brightness issues

Strong anti-interference ability

• Packaging form: SOP28

Contact phone number: 13538051010 (same as WeChat) Mr. Wang