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NXP PCAL9539APW118 GPIO Expander
The PCAL9539A is a low-voltage 16-bit GPIO expander with interrupt and reset capabilities for I2C-bus and SMBus applications. It offers flexible GPIO configuration, programmable drive strength, latchable inputs, and internal pull-up/pull-down resistors, making it ideal for sensor interfacing, push buttons, LEDs, and fan control. Recognized for its low power consumption, it supports 400 kHz fast-mode I2C, Power-On Reset, and multiple address options for up to four devices on the bus. Its high drive capability and noise immunity simplify system design for automation and industrial controls.
NXP PCAL9539APW118 GPIO Expander Specifications:
- Supply Voltage: 1.65 V to 5.5 V
- Operating Current: Typical 60–125 μA at Vpp=3.3 V, Tamb=25°C
- Input Voltage: up to Vpp + 0.3 V
- Output Drive: Programmable, four levels, up to 25 mA sink capability
- GPIO Pins: 16 bidirectional with configurable direction and polarity
- Power-on Reset: Internal, default state as inputs, no glitch on power-up
- Interrupt: Open-drain output, maskable, active LOW, with internal debounce
- Interface Speed: up to 400 kHz I2C-fast mode
- Package Options: TSSOP24, HVQFN24 with thermal pad
- ESD Protection: Exceeds 2000 V Human Body Model
- Pull-up/Pull-down Resistors: Internally integrated, configurable via registers
- Pin Configuration: Dedicated interrupt, reset, and address pins, open-drain interrupt
- Temperature Range: -40°C to +85°C
- Manufacturing: Lead-free, RoHS compliant
Buy the NXP PCAL9539A – Reliable GPIO Expander for Industrial Applications
Order the NXP PCAL9539A GPIO expander online today and enhance your system with 16 configurable I/O pins, low power operation, and built-in interrupt capabilities. This versatile device simplifies interfacing for sensors, LEDs, buttons, and other control elements in industrial automation and control applications. With multiple address options, internal pull-up/pull-down resistors, and high drive current support, it ensures reliable performance across temperature ranges. Experience quick, easy integration and improved noise immunity by purchasing this high-quality GPIO device today.
Buy NXP PCAL9539A now and experience reliable GPIO expansion with flexible configurations, low power consumption, and robust noise immunity suitable for industrial and automation projects.
Frequently Asked Questions
Where can I buy NXP PCAL9539APW118?
You can click on the BUY or RFQ button to purchase PCAL9539APW118 from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCAL9539APW118?
You can download the PCAL9539APW118 datasheet or visit the NXP website for support.
Who is the manufacturer of PCAL9539APW118?
NXP