Manufacturer Part Number
TCA9517DGKRQ1
Manufacturer
Texas Instruments
Introduction
Automotive, bidirectional I2C bus and SMBus voltage-level translator
Product Features and Performance
Bidirectional voltage translation between 0.9 V - 5.25 V and 2.7 V - 5.25 V
One 2-channel I2C bus voltage translator
Supports hot insertion
Open-drain outputs
Lock-up free operation
No direction-control signal needed
Product Advantages
Provides flexibility with mixed voltage systems
Enables communication between low voltage and higher voltage I2C buses
Facilitates easy insertion into live systems
Prevents data corruption in multi-master systems
Key Technical Parameters
Two power-supply voltages between 0.9 V - 5.25 V (VCCA) and 2.7 V - 5.25 V (VCCB)
1 circuit with 2 channels
Max data rates are not specified
Operating temperature range from -40°C to 125°C
Automotive grade with AEC-Q100 qualification
Quality and Safety Features
AEC-Q100 qualified for automotive reliability
Robust ESD performance
Compatibility
Compatible with I2C and SMBus signal levels
Compatible with various logic-level devices
Application Areas
Automotive electronics
Industrial automation
Telecommunications
Consumer electronics
Product Lifecycle
Active product status
No indication of nearing discontinuation
Key Reasons to Choose This Product
I2C and SMBus voltage level translation for mixed voltage system applications
Suitable for automotive applications with extended temperature range and AEC-Q100 qualification
Supports dual-supply voltage level translation
Enables system expansion and ease of integration without requiring direction-control signals
Easily mountable surface-mount package suitable for automated manufacturing processes