IC Phoenix logo

Home ›  P  › P13 > PCA9551PW

PCA9551PW from PHIILPS

Fast Delivery, Competitive Price @IC-phoenix

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

PCA9551PW

Manufacturer: PHIILPS

8-bit I2C-bus LED driver with programmable blink rates

Partnumber Manufacturer Quantity Availability
PCA9551PW PHIILPS 138 In Stock

Description and Introduction

8-bit I2C-bus LED driver with programmable blink rates The **PCA9551PW** from Philips is a versatile **I²C-controlled 8-bit I/O expander** designed to enhance the input/output capabilities of microcontrollers and embedded systems. This compact IC provides **eight programmable GPIO pins**, each configurable as either an input or output, making it ideal for applications requiring additional I/O flexibility.  

Featuring an **I²C-bus interface**, the PCA9551PW supports standard (100 kHz) and fast (400 kHz) communication modes, ensuring seamless integration with a wide range of host controllers. It includes internal pull-up resistors, simplifying circuit design while maintaining signal integrity.  

Key functionalities include **interrupt output** for efficient event-driven processing and **low standby current consumption**, making it suitable for power-sensitive applications. The device operates within a **2.3V to 5.5V supply range**, accommodating various logic levels.  

Common applications include **industrial control systems, LED dimming, sensor interfacing, and general-purpose port expansion**. Its **small TSSOP-16 package** ensures space-efficient PCB layouts, while Philips' robust design ensures reliable performance in demanding environments.  

The PCA9551PW is a practical solution for designers seeking to extend I/O resources without increasing microcontroller complexity, offering a balance of performance, power efficiency, and ease of use.

Application Scenarios & Design Considerations

8-bit I2C-bus LED driver with programmable blink rates

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