TCA8418EYFPR Integrierter Schaltkreis-Chip I2C-gesteuerter Tastatur-Scan-IC mit integriertem ESD-Schutz

Chip der integrierten Schaltung
June 11, 2025
Kategorieverbindung: Chip der integrierten Schaltung
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:
  • Funktioniert von 1,65 V bis 3,6 V mit 18 GPIOs, die bis zu 80 Tasten unterstützen.
  • 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.
  • Integrierte Entwurfzeit von 50 μs für einen zuverlässigen Tastaturbetrieb.
  • Schmitt-trigger action for better noise immunity at SCL and SDA inputs.
  • Latch-up-Leistung übersteigt 200 mA gemäß JESD 78, Klasse II für Haltbarkeit.
Fragen und Antworten:
  • 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.