A Premier B2B Part Search
NXP PCA9538APWJ 8-bit GPIO Expander
The PCA9538A is a low-voltage 8-bit I2C-bus GPIO expander with interrupt and reset features, ideal for adding extra digital I/Os in compact systems. It supports Vpp from 1.65 V to 5.5 V, making it compatible with next-generation microcontrollers while consuming minimal power. Its internal registers include Configuration, Input, Output, and Polarity Inversion, with high-impedance I/O pins, LED drive capability, and open-drain interrupt output. Designed for industrial applications, it ensures reliable operation with power-on reset, adjustable address pins, and robust ESD protection.
NXP PCA9538APWJ 8-bit GPIO Expander Specifications:
- Operating voltage: 1.65 V to 5.5 V
- 8 I/O ports with high-impedance configuration
- Open-drain interrupt (INT) output, active LOW
- Maximum sink/source current: 25 mA per port
- Supports fast-mode I2C up to 400 kHz
- Built-in power-on reset and reset pin (RESET)
- External address pins: AO, A1 for 4 device addresses
- ESD protection exceeding 2000 V (Human Body Model)
- Package options: TSSOP16, HVQFN16
- Low standby current: 1.0 μA (typical at 3.3 V), 1.5 μA (typical at 5 V)
- Configuration register sets directions (input/output), default all inputs after reset
- Polarity inversion register for signal inversion control
- Power-on reset ensures default register states at power-up
- Applications include sensors, push buttons, LEDs, fan control
- RoHS compliant, suitable for industrial environments
Buy the NXP PCA9538A – Reliable GPIO Expander for Industrial Applications
Enhance your industrial control systems with the PCA9538A GPIO expander. Featuring I2C compatibility, interrupt capabilities, and low power consumption, it simplifies adding extra I/Os. Its robust design includes power-on reset, polarity inversion, and ESD protection, ensuring reliable operation even in harsh environments. Whether you need to control LEDs, sensors, or switches, this compact device offers flexible configuration and high drive capacity. Buy online today for seamless integration into your automation or instrumentation projects.
Buy NXP PCA9538A now and experience unmatched reliability and performance for industrial digital I/O expansion with low power consumption and robust features.
Frequently Asked Questions
Where can I buy NXP PCA9538APWJ?
You can click on the BUY or RFQ button to purchase PCA9538APWJ from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCA9538APWJ?
You can download the PCA9538APWJ datasheet or visit the NXP website for support.
Who is the manufacturer of PCA9538APWJ?
NXP