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PCA9553DP/02 from NXP,NXP Semiconductors

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PCA9553DP/02

Manufacturer: NXP

PCA9553; 4-bit I²C LED driver with programmable blink rates

Partnumber Manufacturer Quantity Availability
PCA9553DP/02,PCA9553DP02 NXP 5000 In Stock

Description and Introduction

PCA9553; 4-bit I²C LED driver with programmable blink rates The **PCA9553DP/02** from NXP Semiconductors is a versatile 8-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility by providing additional GPIO (General-Purpose Input/Output) ports. This compact IC is ideal for applications requiring efficient control of multiple peripherals, such as LED indicators, switches, and sensors, while minimizing microcontroller pin usage.  

Featuring an I²C-bus interface, the PCA9553DP/02 supports clock frequencies up to 400 kHz, ensuring fast and reliable communication with a host controller. It includes programmable input/output pins, allowing each pin to be individually configured as an input or output. Additionally, the device offers internal pull-up resistors, simplifying circuit design by reducing external component count.  

With a low standby current and wide operating voltage range (2.3V to 5.5V), the PCA9553DP/02 is well-suited for battery-powered and energy-efficient applications. Its robust ESD protection enhances reliability in demanding environments.  

Engineers favor this component for its ease of integration, making it a practical choice for industrial control, consumer electronics, and embedded systems. The PCA9553DP/02 combines performance with simplicity, delivering an efficient solution for expanding I/O capabilities in modern electronic designs.

Application Scenarios & Design Considerations

PCA9553; 4-bit I²C LED driver with programmable blink rates

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