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NXP PCA9554AD118 GPIO Expander

The PCA9554A is an 8-bit CMOS GPIO expander for I2C-bus/SMBus applications, featuring higher drive capability, 5 V I/O tolerance, low current consumption, and configurable input/output pins. It provides 8 GPIO, an interrupt output, and supports clock frequencies up to 400 kHz. Ideal for expanding I/O for sensors, LEDs, switches, and fans, it offers flexible register control with active low interrupt, polarity inversion, and power-on reset, with various package options and a robust design suitable for industrial environments.

Authorized Distributors
Part No:PCA9554AD,118
Stock:1948
Inv Date:06-10-2026
Price: Unit price: $1.62
Buy/RFQ:
Part No:PCA9554AD,118
Stock:31
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

NXP PCA9554AD118 GPIO Expander Specifications:

  • Operating power supply voltage range of 2.3 V to 5.5 V
  • I/O pin voltage tolerance: 5 V
  • Clock frequency: up to 400 kHz
  • Input/Output configuration and polarity inversion registers
  • Active LOW interrupt output
  • Input port reflects external signals; output port controls pins with default inputs
  • Various packages include SO16, SSOP16, SSOP20, TSSOP16, HVQFN16
  • Power-on reset initializes registers to default states
  • Maximum supply current: 85 mA
  • Standby current: 550-700 nA
  • Input leakage current: typically -1 to +1 nA
  • Temperature range: -40°C to +85°C
  • Electrostatic protection exceeding 2000 V HBM

Buy the NXP PCA9554A – Reliable GPIO Expander for Industrial Applications

Experience seamless I2C-GPIO expansion with the NXP PCA9554A, a reliable and power-efficient device suitable for industrial automation, sensor integration, and LED control. Offering 8 configurable pins, active low interrupt, and wide voltage tolerance, it simplifies system design and enhances performance. Delivered in multiple compact packages, it ensures easy integration into various industrial environments. Buy online today to upgrade your automation system with a robust, high-performance GPIO expander designed for demanding applications and long-term reliability.

Get NXP PCA9554A today—built for reliable I2C GPIO expansion with configurable inputs, interrupt support, and low power consumption for industrial applications.

Frequently Asked Questions

Where can I buy NXP PCA9554AD118?

You can click on the BUY or RFQ button to purchase PCA9554AD118 from an authorized NXP distributor.

How do I troubleshoot issues or seek technical support for part PCA9554AD118?

You can download the PCA9554AD118 datasheet or visit the NXP website for support.

Who is the manufacturer of PCA9554AD118?

NXP

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