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NXP PCAL9554BPWJ I/O Port Expander
The PCAL9554BPWJ is a low-voltage 8-bit I2C-bus and SMBus compatible I/O port expander with interrupt, weak pull-up, and Agile I/O features. Designed for versatile industrial applications, it supports a wide Vpp range of 1.65 V to 5.5 V, enabling seamless interface with next-generation microprocessors. Its programmable drive strength, latchable inputs, and direction configuration, combined with a power-on reset and high ESD protection, make it ideal for expanding system I/O with minimal system complexity and reliable performance in industrial automation, control systems, and sensor interfaces.
NXP PCAL9554BPWJ I/O Port Expander Specifications:
- Operating Voltage: 1.65 V to 5.5 V
- Number of I/O pins: 8
- I2C-bus speed: Up to 400 kHz (Fast mode)
- Input voltage: Max Vpp of 5.5 V with external diode protection for 12 V tolerance
- Output drive capability: Up to 25 mA sink capacity per port
- Power consumption: Low standby current, typical at 1.5 pA at 5 V, 1.0 μA at 3.3 V
- Power-on reset: Internal circuit, initializes all ports as inputs
- Interrupt: Open-drain output with programmable masking and high noise immunity
- Package options: TSSOP16, HVQFN16
- ESD Protection: Exceeds JESD22 standards, 2000 V HBM, 1000 V CDM
- Special features: Programmable open-drain or push-pull outputs, latchable inputs, programmable pull-up/down resistors, adjustable drive strength
- Pin configuration: Vpp supply, A0-A2 address pins, SDA, SCL, INT, GPIO P0-P7
- Temperature Range: -40°C to +85°C
- Applications: Industrial control, sensors, fan and LED control, power management systems
Buy the NXP PCAL9554BPWJ – Reliable I2C Port Expander for Industrial Applications
Enhance your industrial automation projects with the PCAL9554BPWJ I/O port expander. Featuring high noise immunity, flexible drive strength, and a wide voltage range, it simplifies system design while providing reliable performance. Ideal for sensors, LED control, fan management, and power switches, this device minimizes system complexity and ensures seamless integration with next-generation microcontrollers. Order online today to upgrade your system’s I/O capacity with NXP’s trusted technology, ensuring durability, efficiency, and easy deployment in demanding industrial environments.
Get NXP PCAL9554BPWJ today—built for precision and long-lasting durability in industrial and automation systems.
Frequently Asked Questions
Where can I buy NXP PCAL9554BPWJ?
You can click on the BUY or RFQ button to purchase PCAL9554BPWJ from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCAL9554BPWJ?
You can download the PCAL9554BPWJ datasheet or visit the NXP website for support.
Who is the manufacturer of PCAL9554BPWJ?
NXP