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NXP PCA9554ADB118 I/O Expander

The PCA9554 and PCA9554A are 16-pin CMOS I/O expanders providing 8 bits of GPIO for I2C-bus and SMBus applications. Featuring higher drive capability, 5 V I/O tolerance, lower supply current, and individual I/O configuration, these devices are suitable for enabling additional inputs/outputs in systems like sensors, LEDs, fans, and ACPI power switches. They include features such as an open-drain interrupt output, polarity inversion register, and reset circuitry, with various packages available for flexible integration in industrial and consumer electronics.

Authorized Distributors
Part No:PCA9554ADB,118
Stock:1667
Inv Date:06-10-2026
Price: Unit price: $1.9
Buy/RFQ:
Part No:PCA9554ADB,118
Stock:2
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

NXP PCA9554ADB118 I/O Expander Specifications:

  • Operating voltage range: 2.3 V to 5.5 V
  • I/O pin voltage tolerance: 5 V
  • Number of I/O pins: 8
  • Input/output configuration: configurable as input or output
  • Input port register nature: read-only
  • Output port register: read/write
  • Polarity inversion register: inverts input port polarity
  • Interrupt output: active LOW, open-drain
  • Supported I2C clock frequency: up to 400 kHz
  • Supply current: typical 175 µA at 100 kHz
  • Standby current: around 700 nA
  • Package options: SO16, SSOP16, SSOP20, TSSOP16, HVQFN16, HVQFN16, HVQFN16 (various types)
  • Power-on reset: internal circuitry resets registers at power-up
  • Temperature range: -40°C to +85°C
  • ESD Protection: exceeds 2000 V HBM
  • Compliance: AEC-Q100 (some variants)

Buy the NXP PCA9554 – Reliable GPIO Expansion for Industrial Applications

Enhance your system with the PCA9554 I/O expander from NXP, offering 8 configurable GPIO pins, high drive capability, and bus compatibility. Its robust design includes active LOW interrupt, polarity inversion, and internal reset circuitry, making it ideal for sensors, LEDs, fans, and power switches in industrial and consumer electronics. Available in multiple packages, this device ensures versatile integration for reliable performance in demanding environments, simplifying system design and expanding functionality effortlessly.

Buy NXP PCA9554 now and experience unmatched reliability and performance with flexible I/O expansion for industrial and consumer systems.

Frequently Asked Questions

Where can I buy NXP PCA9554ADB118?

You can click on the BUY or RFQ button to purchase PCA9554ADB118 from an authorized NXP distributor.

How do I troubleshoot issues or seek technical support for part PCA9554ADB118?

You can download the PCA9554ADB118 datasheet or visit the NXP website for support.

Who is the manufacturer of PCA9554ADB118?

NXP

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