The Texas Instruments TCA9802DGKT is a robust, high-performance dual bidirectional I²C-bus and SMBus voltage-level translator that is designed for inter-IC communications in multi-voltage systems. This device allows for seamless communication between devices operating at different voltage levels ranging from 0.8V to 3.6V on one side (A-side) and 2.5V to 5.5V on the other side (B-side), making it an essential component for modern mixed-voltage system designs.

Key Features

• Voltage Level Translation: Enables I²C and SMBus signal level shifting between low voltage (0.8V to 3.6V) and higher voltage (2.5V to 5.5V) domains.
• High-Speed Operation: Supports fast-mode plus I²C-bus speeds up to 1 Mbps, making it suitable for high-speed applications.
• Low Standby Current: Offers a low standby current consumption which enhances power efficiency in applications.
• Flow-Through Design: Simplifies PCB layout with its flow-through design.
• ESD Protection: Equipped with robust ESD protection exceeding JESD 22, ensuring reliability and longevity of the device in harsh environments.
• Lock-up Free Operation: Guarantees a lock-up free operation, even if the power supply is switched off.

Applications

The TCA9802DGKT is an ideal choice for a wide range of applications that require voltage level translation, such as:

• Cell Phones and Personal Electronics
• Multi-Voltage Systems on Chip (SoCs) Interfacing
• Embedded Systems and Microcontrollers
• Computing and Network Equipment
• Consumer Electronics

Package and Quality

This device is offered in a compact 8-pin VSSOP package, marked as DGK, and is characterized for operation from -40°C to 85°C. The TCA9802DGKT complies with the rigorous quality standards set by Texas Instruments, ensuring high reliability and performance for critical applications.

With its advanced features and versatile applications, the Texas Instruments TCA9802DGKT is a top-tier solution for designers looking to bridge voltage differences in their I²C or SMBus communication systems.