TCA8418EYFPR چیپ مدار یکپارچه I2C کنترل صفحه کلید IC اسکن با حفاظت ESD یکپارچه

تراشه مدار مجتمع
June 11, 2025
اتصال دسته بندی: تراشه مدار مجتمع
Brief: Discover the TCA8418EYFPR Integrated Circuit Chip, an I2C controlled keypad scan IC with integrated ESD protection. Operating from 1.65V to 3.6V, it supports up to 80 keys via 18 GPIOs, saving power and bandwidth. Ideal for smartphones, tablets, and more!
Related Product Features:
  • از 1.65 ولت تا 3.6 ولت با 18 GPIO کار می کند که تا 80 کلید را پشتیبانی می کند.
  • Integrated ESD protection with ±15-kV Human Body Model high voltage ESD.
  • Low standby current consumption of just 3 µA for power efficiency.
  • Supports 1-MHz Fast Mode Plus I2C bus for high-speed communication.
  • 10-byte FIFO to store 10 key presses and releases for efficient data handling.
  • زمان از بین رفتن یکپارچه 50 μs برای عملکرد قابل اعتماد صفحه کلید.
  • Schmitt-trigger action for better noise immunity at SCL and SDA inputs.
  • عملکرد قفل‌شدگی بیش از 200 میلی‌آمپر بر اساس استاندارد JESD 78، کلاس II برای دوام است.
سوالات متداول:
  • What is the operating voltage range of the TCA8418EYFPR?
    The TCA8418EYFPR operates from 1.65V to 3.6V, making it versatile for various applications.
  • How many keys can the TCA8418EYFPR support?
    It can support up to 80 keys using its 18 general-purpose inputs/outputs (GPIOs).
  • Does the TCA8418EYFPR have ESD protection?
    Yes, it features integrated ±15-kV Human Body Model high voltage ESD protection on GPIO lines.
  • What is the standby current consumption of the TCA8418EYFPR?
    The standby current consumption is as low as 3 µA, ensuring power efficiency.
  • Can the TCA8418EYFPR be used in smartphones?
    Yes, it is ideal for smartphones, tablets, HMI panels, GPS devices, and more.
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