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4 Digit LED Display Common Cathode Driver IC - TM1650 - SOP-16 SMD Package

SKU: 2B80PQZ9DI
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The TM1650 is a compact and efficient 4-digit LED display driver IC designed to control common cathode 7-segment LED displays using a simple two-wire serial communication interface. It integrates display scanning, segment driving, brightness control, and key scanning functions into a single chip, significantly reducing the number of components and GPIO pins required in embedded system designs. The TM1650 is...
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The TM1650 is a compact and efficient 4-digit LED display driver IC designed to control common cathode 7-segment LED displays using a simple two-wire serial communication interface. It integrates display scanning, segment driving, brightness control, and key scanning functions into a single chip, significantly reducing the number of components and GPIO pins required in embedded system designs.

The TM1650 is ideal for applications requiring clear numeric displays such as digital clocks, timers, voltmeters, temperature controllers, frequency counters, and home appliances. Packaged in a compact SOP-16 Surface Mount Device (SMD) package, it is suitable for both consumer electronics and industrial products.

Features

  • Drives up to 4-digit common cathode 7-segment LED displays
  • Two-wire serial communication interface (SDA and SCL)
  • Built-in display multiplexing for simplified circuit design
  • Adjustable LED brightness with multiple intensity levels
  • Integrated key scanning function (for compatible keypad applications)
  • Low power consumption
  • High display refresh rate for flicker-free operation
  • Minimal external components required
  • Compact SOP-16 SMD package
  • Reliable CMOS design for stable performance

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Device Type: LED Display Driver IC
Display Support: 4-Digit Common Cathode 7-Segment LED Display
Communication Interface: Two-Wire Serial Interface (SDA, SCL)
Operating Voltage: 3.3V to 5V (typical)
Brightness Control: Multiple programmable brightness levels
Display Scan: Automatic multiplex scanning
Key Scan Support: Yes
Package Type: SOP-16
Mounting Type: Surface Mount Device (SMD)
Low Standby Power Consumption
Operating Temperature: Industrial operating range (manufacturer dependent)

Additional Resources

4 Digit LED Display Common Cathode Driver IC.PDF

FAQ

1. What is the TM1650 IC used for?

The TM1650 is a 4-digit LED display driver IC designed to control common cathode 7-segment LED displays. It communicates with microcontrollers using a two-wire serial interface, making it ideal for digital clocks, timers, voltmeters, panel displays, and other embedded display applications.

2. How does the TM1650 communicate with a microcontroller?

The TM1650 uses a simple two-wire serial communication interface consisting of SDA (data) and SCL (clock) lines. This interface allows microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi to easily update the display, control brightness, and manage each digit individually with minimal wiring.

3. What are the main features of the TM1650?

The TM1650 supports driving 4-digit common cathode 7-segment LED displays, provides adjustable brightness control, offers built-in key scan functionality (on supported designs), consumes low power, and operates from a standard 5V supply. It is available in a compact SOP-16 SMD package for space-saving PCB designs.

4. What are the common applications of the TM1650?

The TM1650 is widely used in digital clocks, countdown timers, frequency counters, temperature displays, voltmeters, current meters, household appliances, industrial control panels, electronic measuring instruments, and various DIY electronics projects requiring a numeric LED display.

5. Why should I choose the TM1650 for my display project?

The TM1650 simplifies LED display interfacing by handling multiplexing and brightness control internally, reducing the processing load on the microcontroller. Its simple communication protocol, compact SOP-16 package, reliable performance, and low component count make it an excellent choice for compact and cost-effective display designs.