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PCA9552BS from PHI,Philips

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15.991ms

PCA9552BS

Manufacturer: PHI

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

Partnumber Manufacturer Quantity Availability
PCA9552BS PHI 5406 In Stock

Description and Introduction

16-bit I2C-bus LED driver with programmable blink rates The **PCA9552BS** from Philips is a versatile **I²C-bus controlled 8-bit I/O expander** designed to enhance microcontroller-based systems by providing additional input/output ports. This CMOS-based component is particularly useful in applications requiring extra GPIO pins without increasing the microcontroller's pin count.  

Featuring **8 quasi-bidirectional I/O pins**, the PCA9552BS can be individually configured as inputs or outputs via the I²C interface. Each pin includes **programmable internal pull-up resistors**, simplifying circuit design and reducing external component requirements. The device operates over a **wide voltage range (2.3V to 5.5V)**, making it compatible with various logic levels.  

Key functionalities include **interrupt output capability**, which alerts the host controller of input state changes, improving system efficiency. The PCA9552BS also supports **hot insertion**, ensuring stable operation in dynamic environments.  

With a **low standby current consumption**, this expander is ideal for power-sensitive applications. Common uses include industrial control systems, consumer electronics, and embedded designs where space and efficiency are critical.  

The PCA9552BS is housed in a **compact SO16 package**, offering a balance of performance and integration for modern electronic designs. Its robust I²C interface ensures reliable communication, even in noisy environments.

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