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NXP PCA9538PWQ900118 GPIO Expander
The PCA9538 is a low-power, 8-bit I2C-bus and SMBus I/O expander with interrupt and reset functionality, suitable for adding GPIO pins to systems. It features configurable input/output pins, polarity inversion, and an open-drain interrupt output activated by input changes. Operating from 2.3 V to 5.5 V, it offers low standby current and includes internal power-on reset. Compatible with multiple packages, it is ideal for applications requiring reliable I/O expansion, sensor interfacing, and control in industrial and embedded systems.
NXP PCA9538PWQ900118 GPIO Expander Specifications:
- Supply Voltage Range: 2.3 V to 5.5 V (3.0 V to 5.5 V for PCA9538PW/Q900)
- Operating Current: 85 mA maximum, Standby current: 1 nA
- Input Voltage Range: Vss to Vpp, up to 5.5 V
- Output Current per pin: Max 50 mA (including limitations for total I/O current)
- Input/Output Pins: 8 GPIO pins configured as input or output
- Polarity Inversion: Registers allow active HIGH/LOW inversion
- Interrupt Polarity: Active LOW, open-drain output
- Power-On Reset: Internal POR, resets registers at power-up
- Reset Pin: Active LOW, resets device when held LOW
- Package Types: SO16, TSSOP16, HVQFN16
- ESD Protection: >2000 V HBM, >1000 V CDM
- Clock Frequency: 0 to 400 kHz
- Temperature Range: -40°C to +85°C (up to +125°C for PCA9538PW/Q900)
- Dimensions: Varies per package, e.g., SO16 (7.5 mm width), TSSOP16 (4.4 mm width), HVQFN16 (4 x 4 x 0.85 mm)
Buy the NXP PCA9538 – Reliable GPIO Expander for Industrial Applications
Enhance your system with the NXP PCA9538, an 8-bit I2C GPIO expander offering configurable I/O, interrupt, and reset features. Operating from 2.3 V to 5.5 V, it provides reliable performance in industrial, automation, and embedded applications. Compact in size, available in multiple packages such as SO16, TSSOP16, and HVQFN16, it ensures low power consumption, electrostatic protection, and robust operation. Ideal for sensor interfacing, control, and expanding I/O capabilities in demanding environments. Purchase online today for seamless integration and durable performance.
Get NXP PCA9538 today—built for precision and long-lasting durability in industrial and embedded systems.
Frequently Asked Questions
Where can I buy NXP PCA9538PWQ900118?
You can click on the BUY or RFQ button to purchase PCA9538PWQ900118 from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCA9538PWQ900118?
You can download the PCA9538PWQ900118 datasheet or visit the NXP website for support.
Who is the manufacturer of PCA9538PWQ900118?
NXP