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PCA9553D/01 from PHILIPS

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PCA9553D/01

Manufacturer: PHILIPS, PHI

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

Partnumber Manufacturer Quantity Availability
PCA9553D/01,PCA9553D01 PHILIPS, PHI 7127 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.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • NXP PCA9553DP --: NXP is the successor to Philips' semiconductor business, so this is the same LED blinker device in a different package, offering the closest functional match and direct availability.
  • TCA6507PW --: I2C LED driver with similar blinking and PWM functionality, suitable as a functional replacement when the exact PCA9553 is unavailable.
  • PCA9532PW --: I2C LED driver from the same Philips/NXP family with comparable I2C control and LED driving capability, usable as a fallback alternative.
  • PCA9533DP --: Same I2C LED blinker family with 4 outputs, very similar register set and function, direct functional replacement.
  • PCA9553DP --: Same base PCA9553 device in a different package variant, identical I2C LED blinker functionality.
  • PCA9530D --: Similar I2C LED blinker/dimmer with 2 outputs; usable when fewer channels are acceptable and pinout is adapted.

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