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PCA9553D/01 from PHILIPS

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PCA9553D/01

Manufacturer: PHILIPS

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

Partnumber Manufacturer Quantity Availability
PCA9553D/01,PCA9553D01 PHILIPS 2369 In Stock

Description and Introduction

PCA9553; 4-bit I²C LED driver with programmable blink rates The **PCA9553D/01** from Philips is a versatile **I²C-bus controlled 8-bit I/O expander** designed to enhance microcontroller-based systems by providing additional general-purpose input/output (GPIO) ports. This compact and efficient component is ideal for applications requiring expanded I/O capabilities without increasing the complexity of the host controller.  

Featuring **8 quasi-bidirectional I/O pins**, the PCA9553D/01 allows flexible configuration, enabling each pin to function as an input or output. The device supports **interrupt functionality**, notifying the host controller of input state changes, which enhances system responsiveness. Its **low standby current consumption** makes it suitable for power-sensitive designs.  

Operating on a **2.3V to 5.5V supply range**, the PCA9553D/01 is compatible with a wide variety of microcontrollers and logic levels. The **I²C-bus interface** ensures seamless integration, supporting clock frequencies up to **400 kHz** for efficient communication.  

Common applications include **industrial controls, consumer electronics, and embedded systems** where additional I/O expansion is needed. With its robust design and reliable performance, the PCA9553D/01 offers a practical solution for extending system functionality while maintaining simplicity and efficiency.  

This component exemplifies Philips' commitment to delivering high-performance, low-power semiconductor solutions for modern electronic designs.

Partnumber Manufacturer Quantity Availability
PCA9553D/01,PCA9553D01 PHI 4758 In Stock

Description and Introduction

PCA9553; 4-bit I²C LED driver with programmable blink rates The **PCA9553D/01** from Philips (now NXP Semiconductors) is a versatile **I²C-controlled 8-bit I/O expander** designed to simplify digital interfacing in embedded systems. This CMOS-based component provides an efficient solution for expanding microcontroller I/O ports while maintaining low power consumption.  

Featuring **eight quasi-bidirectional I/O pins**, the PCA9553D/01 can be individually configured as inputs or outputs via the I²C bus, making it ideal for applications requiring additional GPIO control. Each pin includes **internal pull-up resistors**, reducing the need for external components. With a **wide operating voltage range (2.3V to 5.5V)**, it supports compatibility across various logic levels.  

The device incorporates **interrupt functionality**, alerting the host controller of input state changes, which enhances system responsiveness. Its **low standby current** makes it suitable for power-sensitive designs. Common applications include **LED dimming, keypad scanning, and industrial control systems**.  

The PCA9553D/01 operates in a **standard SO16 package**, ensuring easy integration into PCB designs. Its robust I²C interface supports **standard (100 kHz) and fast (400 kHz) modes**, offering flexibility in communication speed.  

Engineers favor this IC for its **reliability, compact footprint, and ease of use**, making it a practical choice for expanding digital I/O in constrained designs.

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