IC Phoenix logo

Home ›  P  › P13 > PCA9539RPW

PCA9539RPW from NXP,NXP Semiconductors

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

PCA9539RPW

Manufacturer: NXP

16-bit I虏C-bus and SMBus low power I/O port with interrupt and reset

Partnumber Manufacturer Quantity Availability
PCA9539RPW NXP 163 In Stock

Description and Introduction

16-bit I虏C-bus and SMBus low power I/O port with interrupt and reset The **PCA9539RPW** from NXP Semiconductors is a versatile, low-power 16-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility in embedded applications. This CMOS-based device provides general-purpose remote I/O expansion for microcontrollers, reducing the number of GPIO pins required while maintaining efficient communication via the I²C interface.  

Featuring two programmable 8-bit I/O ports, the PCA9539RPW allows each pin to be individually configured as an input or output, supporting both push-pull and open-drain output modes. It operates across a wide voltage range (1.65V to 5.5V), making it compatible with various logic levels. The device includes internal pull-up resistors, further simplifying circuit design.  

Key applications include industrial control systems, consumer electronics, and IoT devices where space and power efficiency are critical. Its interrupt output pin enables efficient event-driven processing, reducing polling overhead. With a standby current consumption of just 1 µA, the PCA9539RPW is optimized for battery-powered solutions.  

NXP’s robust design ensures reliable performance in noisy environments, while the compact TSSOP-24 package offers a space-saving footprint. Engineers seeking scalable I/O expansion with minimal complexity will find the PCA9539RPW a practical solution for modern embedded designs.

Application Scenarios & Design Considerations

16-bit I虏C-bus and SMBus low power I/O port with interrupt and reset

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips