ON Semiconductor's PCA9511ADMR2G: I²C-Bus Repeater

The PCA9511ADMR2G is a high-performance, hot swappable I²C-bus repeater designed by ON Semiconductor to provide seamless communication in a variety of digital applications. This innovative component is an essential tool for extending the reach of the I²C-bus by buffering both the data (SDA) and the clock (SCL) lines, allowing the bus to span a greater distance or connect more devices without signal degradation.

Key Features

• Hot Swappable Interface: The PCA9511ADMR2G allows devices to be inserted into or removed from a live backplane without shutting down the system, minimizing downtime and improving serviceability.
• Level Shifting: It can shift signal levels to accommodate devices of different voltages, making it suitable for multi-voltage systems.
• Enhanced Signal Integrity: The device's buffering capability strengthens signals for longer bus length and higher noise immunity.
• Low Standby Current: It is designed for power-sensitive applications, with a low standby current consumption that contributes to overall energy efficiency.

Applications

The PCA9511ADMR2G is versatile and can be used in a wide range of applications, including:

• Server and telecom backplanes
• Industrial control systems
• Networking equipment
• Medical electronics

Product Specifications

This ON Semiconductor repeater is built to accommodate standard-mode, fast-mode, and fast-mode plus I²C-bus speeds, thus ensuring compatibility with a wide array of I²C devices. It operates over a supply voltage range of 2.3V to 5.5V, making it flexible for use in various system designs. Additionally, the PCA9511ADMR2G comes in a compact, surface-mount package that is RoHS compliant, ensuring adherence to environmental standards.

With the PCA9511ADMR2G, ON Semiconductor provides a robust solution for system designers looking to improve I²C-bus performance in complex, multi-device environments. Its ability to facilitate hot swapping and level shifting, coupled with its low power consumption, makes it a smart choice for modern electronic systems requiring reliable I²C-bus communication.