TM1681 LED Display Driver IC
Product Overview
The TM1681 is a versatile driver IC designed for controlling dot matrix LED displays. It offers multiple row/column configurations, such as 32ROW × 8COM and 24ROW × 16COM, and features 16 levels of pulse width modulation (PWM) for precise brightness control. Utilizing a serial interface (I2C), it simplifies communication between the main control chip and the TM1681, allowing easy switching between command and data modes. This chip is widely used in digital displays across various industries, including industrial instrumentation, consumer electronics, and wearables.
Key Features
- Operating Voltage: 2.4V ~ 5.5V
- Display Options: 32ROW × 8COM and 24ROW × 16COM
- Display Memory: 64×4 RAM (32ROW × 8COM), 96×4 RAM (24ROW × 16COM)
- Brightness Control: 16-level PWM for dynamic adjustment
- Oscillator: Built-in 256kHz RC oscillator
- Interface: 4-wire I2C (SDA, SCL, STB, CLK)
- Modes: Data and command modes for flexible communication
- Output Channels: Selectable NMOS or PMOS
- Package Options: LQFP48, LQFP52
Applications
The TM1681 is ideal for driving LED displays in various applications, including digital clocks, thermometers, counters, voltmeters, industrial control systems, and smart wearables such as fitness trackers and smart bracelets.
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