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PCA9553TK from NXP,NXP Semiconductors

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PCA9553TK

Manufacturer: NXP

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

Partnumber Manufacturer Quantity Availability
PCA9553TK NXP 3620 In Stock

Description and Introduction

4-bit I2C-bus LED driver with programmable blink rates The **PCA9553TK** from NXP Semiconductors is a versatile I²C-controlled GPIO expander designed to simplify digital I/O expansion in embedded systems. This compact 8-bit device provides configurable input and output ports, enabling efficient interfacing with sensors, switches, LEDs, and other peripherals while minimizing microcontroller pin usage.  

Featuring an industry-standard I²C interface, the PCA9553TK supports clock frequencies up to 400 kHz, ensuring seamless integration with most microcontrollers. Each of its eight I/O pins can be independently configured as an input or output, with internal pull-up resistors enhancing flexibility in circuit design. Additionally, interrupt functionality allows the host controller to monitor input changes without continuous polling, improving system efficiency.  

The PCA9553TK operates across a wide voltage range (2.3V to 5.5V), making it suitable for both low-power and standard applications. Its small TSSOP-16 package is ideal for space-constrained designs. With robust ESD protection and low standby current consumption, this component is well-suited for industrial, consumer, and IoT applications requiring reliable GPIO expansion.  

Engineers benefit from its straightforward configuration and compatibility with existing I²C infrastructures, reducing development time while maintaining scalability in complex systems. The PCA9553TK exemplifies NXP's commitment to delivering high-performance, easy-to-integrate solutions for modern electronics.

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