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PCA9505DGG from NXP,NXP Semiconductors

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PCA9505DGG

Manufacturer: NXP

40-bit I2C-bus I/O port with RESET, OE and INT

Partnumber Manufacturer Quantity Availability
PCA9505DGG NXP 219 In Stock

Description and Introduction

40-bit I2C-bus I/O port with RESET, OE and INT The **PCA9505DGG** from NXP Semiconductors is a versatile, low-voltage, 2-wire bus buffer designed to enhance signal integrity in I²C and SMBus applications. This integrated circuit (IC) provides bidirectional voltage-level translation between buses operating at different voltages, supporting ranges from 1.2V to 3.6V on the low-voltage side and 2.7V to 5.5V on the high-voltage side.  

Featuring a robust architecture, the PCA9505DGG minimizes signal distortion and delays while maintaining compatibility with standard I²C protocols. Its hot-swappable capability prevents data corruption during live insertion, making it ideal for applications requiring dynamic component replacement. The device also incorporates rise-time accelerators to improve signal transitions, ensuring reliable communication in noisy environments.  

With a compact **TSSOP-56** package, the PCA9505DGG is well-suited for space-constrained designs in industrial, consumer, and embedded systems. Its low standby current consumption further enhances energy efficiency in battery-powered applications.  

Engineers can leverage this buffer to extend bus capacitance limits, isolate bus segments, or interface mixed-voltage peripherals without compromising performance. The PCA9505DGG is a reliable solution for maintaining signal integrity in complex multi-master I²C systems.

Application Scenarios & Design Considerations

40-bit I2C-bus I/O port with RESET, OE and INT

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