ON Semiconductor PCA9617ADMR2G: Robust I²C Bus Buffer

The PCA9617ADMR2G is a high-performance, differential I²C-bus buffer from ON Semiconductor designed to enhance the capabilities of the I²C communication protocol. This device allows for extended reach and robustness, making it an ideal solution for complex industrial and consumer applications that require a reliable I²C interface over long distances or in noisy environments.

Key Features

• Hot-Swap Capability: The PCA9617ADMR2G supports hot-swapping, which allows devices to be inserted into or removed from a live backplane without shutting down the system, minimizing downtime and improving serviceability.
• Differential I²C-bus SDA and SCL Lines: The differential lines provide greater immunity to common-mode noise, a critical feature for maintaining signal integrity in electrically noisy environments.
• Level Shifting: The device can level shift between different voltages, which allows for communication between devices operating at different logic levels, expanding its compatibility across various platforms.
• Enhanced Signal Integrity: The PCA9617ADMR2G is designed to reject high levels of electromagnetic interference (EMI), ensuring reliable data transmission even in industrial settings with significant electrical noise.
• Fail-Safe Functionality: The device has built-in fail-safe features that prevent system lock-up and ensure data integrity in the event of an idle or disconnected bus.

Applications

The PCA9617ADMR2G is versatile and can be used in a wide range of applications, including:

• Industrial control systems
• Automotive networks
• Data centers and server farms
• Consumer electronics
• Networking equipment

Technical Specifications

Equipped with an operating voltage range from 2.3V to 5.5V, the PCA9617ADMR2G is suitable for various low-voltage applications. It operates over the standard -40°C to +85°C temperature range, ensuring reliable performance under a broad spectrum of environmental conditions. The device is available in a compact, surface-mount package, making it easy to integrate into space-constrained designs.

Whether you are designing a sophisticated industrial automation system or a high-performance consumer electronic device, the PCA9617ADMR2G from ON Semiconductor offers the robustness and reliability needed to ensure seamless and efficient I²C communication.