TM1650 is a LED display driver IC used to control 4-digit 7-segment LED displays and scan keypad buttons while using only two communication wires (SCL and SDA). It is commonly found in digital clocks, timers, voltmeters, temperature controllers, home appliances, and industrial control panels.
Supply Voltage:2.8V–5.5V
Display Type:4-digit 7-segment
Brightness Levels:8
Interface:2-wire serial
Package:DIP16 / SOP16
Key Scan:7×4 matrix
Pinout
DIG1–DIG4:Digit drive outputs
A–G:Segment outputs
DP:Decimal point output
SDA:Serial dataSCL:Serial clock
VDD:Power supply
GND:Ground