The TM1628 is a high-performance LED driver and keyboard scan controller integrated circuit. It features a serial interface for easy communication with microcontrollers, supporting multi-segment LED displays and matrix keyboard inputs for industrial and consumer electronics. Product Details Parameter Specification Part Number TM1628 / TM1628A Manufacturer Titan Micro Electronics (TM) Package SOIC-28 / SOP-28 Function LED Display Driver with Key Scan Controller Interface 3-Wire Serial (STB, CLK, DIO) Display Modes 10×7 to 13×4 LED Matrix Brightness Control 8-Level PWM Dimming Keyboard Scan Up to 10×2 Matrix Operating Voltage Typically 2.4V–5.5V Oscillator Internal RC Oscillator Applications • Digital Panel Displays • Home Appliances • Microwave Ovens • Washing Machines • Air Conditioners • Induction Cooktops • Electronic Weighing Scales • Smart Energy Meters • Set-Top Boxes • Industrial Control Panels Features • CMOS Technology • Low Power Consumption • Built-in Display RAM • 3-Wire Serial Communication • LED Display Driver + Key Scan in One IC • 8-Step Brightness Adjustment • High Noise Immunity • SOP-28 Package