TM1648A LED Digital Tube Driver IC | Touch Button Scanning | Brand New & Original

TM1648A LED Digital Tube Driver IC | Touch Button Scanning | Brand New & Original

Product Description:
The TM1648A is a highly integrated LED digital tube driver IC with an 8-touch button scanning function, designed to detect touch button inputs with minimal external components. This IC integrates a range of features including MCU digital interface, data latch, key scanning, LED driver, and active buzzer driver. The chip is designed with a high supply voltage rejection ratio to minimize key detection errors, providing excellent performance and reliability. With its automatic calibration and resistance to voltage fluctuations, the TM1648A is ideal for applications such as induction cookers, touch displays, and other similar solutions.

Product Features:

• Automatic calibration function to ensure consistent and accurate performance.
• Built-in active buzzer control program for auditory feedback.
• Maximum key output time detection for enhanced button detection reliability.
• Anti-voltage fluctuation function to resist interference and ensure stable operation.
• Supports standard I2C communication mode for easy integration with other devices.
• External capacitance adjustment for customizable sensitivity to touch.
• CMOS technology for low power consumption and high efficiency.
• Multiple display modes, including 10 segments × 7-13 segments × 4 digits, for flexible display configurations.
• Brightness adjustment circuit with 8-stage duty cycle adjustable for customizable display brightness.
• Built-in RC oscillation for stable clock signal generation.
• Built-in power-on reset circuit for reliable startup operation.
• Optimized circuit to reduce LED reverse bias leakage and improve display performance.
• Strong anti-interference capabilities to ensure stable operation even in challenging environments.
• Packaging form: SOP32, ideal for space-saving and integration into compact designs.

Applications:
The TM1648A is mainly used in applications such as induction cookers, touch displays, and other electronic products that require reliable LED display driving and touch button functionality.