Product Overview: NXP's PCA9517ADP,118

The PCA9517ADP,118 is a robust level-translating I²C-bus repeater from NXP Semiconductors, designed to provide bidirectional voltage-level translation with true bidirectional communication for I²C-bus and SMBus applications. This integrated circuit is a part of the high-performance PCA9517A series, which is engineered to facilitate communication between devices operating at different voltage levels within the range of 0.8V to 5.5V.

Key Features

• Level Translation: The PCA9517ADP,118 allows for direct interfacing between devices operating at different voltages, which is essential for multi-voltage systems.
• Hot-Swappable: This feature enables devices to enter or exit the bus while the system is powered, enhancing flexibility in live environments.
• Low Standby Current: It is designed to consume minimal standby current, thereby contributing to energy-efficient designs.
• Lock-up Free Operation: A unique feature that prevents the device from locking up the I²C-bus, ensuring reliable communication.
• Accommodates Standard and Fast I²C-bus Modes: Supports bus speeds of up to 400 kHz, making it suitable for a wide range of applications.

Applications

The PCA9517ADP,118 is versatile and can be used in various applications, including:

• Level shifting for I²C-bus/SMBus signals
• Desktop and notebook PCs
• Battery management
• Cellular phones
• Communication equipment

Package and Quality

The device comes in a small TSSOP8 (SO8) package, making it suitable for space-constrained applications. It is also characterized for operation from -40°C to +85°C, ensuring reliable performance under a broad range of temperature conditions.

Conclusion

Overall, the PCA9517ADP,118 from NXP Semiconductors is an invaluable component for systems requiring reliable I²C-bus communication across different voltage domains. Its ability to provide level translation, coupled with hot-swappable capabilities and lock-up free operation, makes it an ideal choice for designers looking to enhance the interoperability and robustness of their electronic systems.