TM1651 SMD IC 7Key Led Digital Tube Panel Driver IC Sop16 4X7 Segment TM1651

Product Overview:

The TM1651 is a dedicated LED drive control circuit that includes an integrated keyboard scanning interface. It is designed to handle MCU digital interfacing, data latching, high-voltage LED driving, and key scanning internally, providing a reliable and efficient solution for displays in household appliances like induction cookers and microwave ovens.

Core Specifications:

• Manufacturer: Titan Micro Electronics

• Package Type: DIP16 or SOP16

• Function: LED Drive Control with Keyboard Scan

• Display Mode: 7 segments × 4 bits (supports common anode LED displays)

• Key Scan: 7 × 1 bit with enhanced anti-interference circuit

Features:

• Fabrication: Uses a power CMOS process for high reliability.

• Brightness Control: Features built-in dimming circuitry with 8 levels of adjustable duty cycle.

• Communication Interface: Uses a 2-wire serial interface (CLK, DIO).

• Internal Functions:

  • Built-in RC oscillator (450KHz ±5%).

  • Automatic power-on reset and automatic blanking circuits.

  • Enhanced anti-interference key recognition.

Applications:

• Home Appliances: Ideal for user interface displays and control panels in induction cookers, microwave ovens, and other small kitchen electronics.

• General Interface: Suitable for any device requiring a compact, integrated solution for both LED matrix display and button input.

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