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PCA9552PW from PHILIP,Philips

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PCA9552PW

Manufacturer: PHILIP

16-bit I2C LED driver with programmable blink rates

Partnumber Manufacturer Quantity Availability
PCA9552PW PHILIP 268 In Stock

Description and Introduction

16-bit I2C LED driver with programmable blink rates The **PCA9552PW** from Philips is a versatile **I²C-bus controlled 16-bit I/O expander** designed to enhance the input/output capabilities of microcontroller-based systems. This integrated circuit (IC) provides a simple and efficient solution for applications requiring additional GPIO (General Purpose Input/Output) pins while minimizing board space and complexity.  

Featuring **16 quasi-bidirectional I/O ports**, the PCA9552PW allows each pin to be individually configured as an input or output via the I²C interface. Its **interrupt output** pin signals changes on input ports, reducing the need for continuous polling and improving system efficiency. With a **wide operating voltage range (2.3V to 5.5V)**, it is compatible with various logic levels, making it suitable for mixed-voltage environments.  

The device supports **hot insertion**, ensuring stable operation in dynamic systems. Its **low standby current consumption** makes it ideal for power-sensitive applications. Common uses include industrial control systems, LED dimming, keypad interfaces, and sensor management.  

The PCA9552PW is available in a **TSSOP-24 package**, offering a compact footprint for space-constrained designs. Its robust performance and ease of integration make it a reliable choice for expanding I/O capabilities in embedded systems.

Application Scenarios & Design Considerations

16-bit I2C LED driver with programmable blink rates

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