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PCA9515ADR from TI Pb-free,Texas Instruments

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PCA9515ADR

Manufacturer: TI Pb-free

Dual Bidirectional I2C Bus and SMBus Repeater 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9515ADR TI Pb-free 566 In Stock

Description and Introduction

Dual Bidirectional I2C Bus and SMBus Repeater 8-SOIC -40 to 85 The **PCA9515ADR** from Texas Instruments is a high-performance, hot-swappable I²C bus buffer designed to extend the capacitance and voltage range of I²C systems. This component is particularly useful in applications where multiple devices are connected to a single bus, preventing signal degradation and ensuring reliable communication.  

Featuring bidirectional buffering, the PCA9515ADR isolates capacitance on either side of the device, allowing longer bus lengths and supporting more connected devices without compromising signal integrity. It operates across a wide voltage range (2.3V to 5.5V), making it compatible with various I²C logic levels. Additionally, its hot-swap capability ensures smooth insertion and removal of devices without disrupting bus operations.  

The PCA9515ADR is ideal for applications such as industrial control systems, telecommunications equipment, and embedded computing, where robust I²C communication is essential. Its compact SOIC-8 package ensures easy integration into space-constrained designs while maintaining high reliability.  

With built-in noise filtering and low standby current consumption, this buffer enhances system efficiency while minimizing power usage. Engineers can rely on the PCA9515ADR to maintain stable I²C communication in complex, multi-device environments.

Application Scenarios & Design Considerations

Dual Bidirectional I2C Bus and SMBus Repeater 8-SOIC -40 to 85

Alternative Part Number

  • TCA9517DGKR --: Pin-compatible I2C bus repeater from TI with similar buffer/repeater function and level-shifting capability, available in small package.
  • PCA9515APW --: Original NXP I2C bus repeater that the TI PCA9515ADR is based on; same function and compatible electrical characteristics in TSSOP package.
  • LTC4311IMS8 --: I2C bus accelerator/expander that improves bus capacitance handling, usable as a functional alternative in I2C repeater applications.

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