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PCA9516PW from PHILIPS

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PCA9516PW

Manufacturer: PHILIPS, NXP

5-channel I2C hub

Partnumber Manufacturer Quantity Availability
PCA9516PW PHILIPS, NXP 2539 In Stock

Description and Introduction

5-channel I2C hub **Introduction to the PCA9516PW from Philips**  

The PCA9516PW is a versatile I²C bus buffer designed to extend the communication range and improve signal integrity in multi-master I²C bus systems. Manufactured by Philips, this component helps mitigate issues such as capacitance loading and signal degradation, ensuring reliable data transmission across longer distances or between multiple devices.  

Featuring a bidirectional buffering capability, the PCA9516PW supports both standard-mode (up to 100 kHz) and fast-mode (up to 400 kHz) I²C protocols. It incorporates a level-shifting function, allowing seamless interfacing between buses operating at different voltage levels (2.3V to 5.5V). This makes it particularly useful in mixed-voltage systems where compatibility is critical.  

The device includes an enable pin for flexible bus segment control, reducing power consumption when inactive. Its compact TSSOP-8 package ensures space-efficient integration into various applications, including industrial controls, telecommunications, and consumer electronics.  

With built-in noise suppression and robust ESD protection, the PCA9516PW enhances system reliability in electrically noisy environments. Engineers favor this component for its ability to maintain signal integrity while simplifying complex I²C bus architectures.  

In summary, the PCA9516PW is a high-performance I²C buffer that addresses common challenges in multi-bus systems, offering a balance of functionality, efficiency, and ease of use.

Application Scenarios & Design Considerations

5-channel I2C hub

Alternative Part Number

  • TCA9517ADGKR --: I2C bus repeater with similar hot-swap buffering function, widely available and pin-compatible in many designs.
  • PCA9515ADP --: Same I2C bus repeater family from the original Philips/NXP lineage, direct functional equivalent with proven compatibility.
  • LTC4311IMS8 --: I2C bus accelerator/buffer offering comparable signal integrity improvement for long bus runs, suitable as a functional substitute.
  • TCA9517ADGKR --: I2C bus repeater with similar hot-swap buffering function, widely available and pin-compatible in function.
  • LTC4311IMS8 --: I2C bus accelerator/buffer that improves signal integrity and can replace the PCA9516 in many bus extension designs.
  • PI4MSD5V9546A --: I2C multiplexer/switch with comparable channel switching capability and similar supply voltage range.

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