Manufacturer Part Number
TCA9517DR
Manufacturer
Texas Instruments
Introduction
The TCA9517DR is a bidirectional voltage level translator from Texas Instruments used for voltage shifting between different logic levels.
Product Features and Performance
Bidirectional translation between high and low logic levels
Supports I2C bus and SMBus applications
Provides voltage level translation without direction pin
Includes internal 10 kΩ pull-up resistors
Product Advantages
Minimizes board space with small 8-SOIC package
Supports hot-insertion
Allows for voltage level translation between 0.9 V and 5.5 V on the A side and 2.7 V to 5.5 V on the B side
Compatible with I2C and SMBus without additional components
Key Technical Parameters
Channel Type: Bidirectional
Number of Circuits: 1
Channels per Circuit: 2
Voltage - VCCA: 0.9 V to 5.5 V
Voltage - VCCB: 2.7 V to 5.5 V
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Package / Case: 8-SOIC
Data Rate: Unspecified
Output Type: Open Drain
Quality and Safety Features
Built-in under-voltage lockout for lower power consumption
Robust ESD protection
Compatibility
Compatible with a wide range of voltage levels and standard I2C protocols
Application Areas
Interface for sensors, microcontrollers, microprocessors, and devices with different voltage domains
Various consumer electronics, industrial, and automotive applications
Product Lifecycle
Active product status, not nearing discontinuation
Availability of replacements or upgrades should be verified from the manufacturer Texas Instruments
Several Key Reasons to Choose This Product
Flexible voltage translation from 0.9 V to 5.5 V allows for compatibility with various devices
No direction-control signal needed which simplifies application circuit
Surface-mount package saves PCB space and is suitable for automated assembly
Built-in 10 kΩ pull-up resistors reduce external component count
Low standby current
Industry-standard 8-SOIC package ensures broad tooling compatibility