تراشه TM1638 درایور LED و سگمنت پکیج SOP-28

Introduction

TM1638 is an IC dedicated to LED (light emitting diode display) drive control andequippedwith a keypad scan interface. It integrates MCU digital interface, data latch, LEDdrive, andkeypad scanning circuit. This product is reliable in quality, stable in performance andstrongininterference resistance. It is mainly used for household electrical appliances (smart water
heaters, microwave ovens, washing machines, air conditioners, electric stove), set-topboxes,electronic scale, smart meters and other digital tube or LED display devices.

Specification

Power CMOS technology
Display mode 10seg×8grid
Key-scan(8×3bit)
Gray adjust circuit(duty ratio 8 level is adjustable)
Serial connection (CLK，STB，DIO)
Oscillation type: RC oscillation(450Hz+5%)
Build-in power-on reset circui
Frequency 1 MHz
Output Current -50 mA
Input Voltage MIN -0.5 V
Input Voltage MAX +0.5 V
Minimum Operating Temperature -40 C°
Maximum Operating Temperature +80 C°
Package SOP-28