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Product Detailed Parameters
- Description：IC ACCELERATOR I2C HOTSWAP 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Buffer, Accelerator
- Applications：I2C - Hotswap
- Input：2-Wire Bus
- Output：2-Wire Bus
- Data Rate (Max)：-
- Number of Channels：1
- Delay Time：-
- Signal Conditioning：-
- Voltage - Supply：2.7V ~ 5.5V
- Current - Supply：5.1mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Capacitance - Input：10 pF
- Grade：-
- Qualification：-
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Overview
The TCA4311DRG4 is a hot-swappable buffer designed for two-wire bus systems, specifically supporting I2C and SMBus protocols. Manufactured by Texas Instruments, this component operates within a supply voltage range of 2.3 V to 5.5 V and supports clock frequencies up to 400 kHz. It is housed in an SOIC-8 surface-mount package and functions across an industrial temperature range from -40°C to +85°C. The device provides signal buffering capabilities essential for maintaining bus integrity during hot-swap events.
Feature Summary
- Supports hot-swappable operations on two-wire buses
- Compatible with I2C and SMBus protocol standards
- Configurable as a buffer or repeater for signal extension
Applications
- Hot-swappable peripheral connections in embedded systems
- I2C/SMBus bus extension in multi-drop configurations
- Signal buffering for system board-to-board communication
Procurement Notes
Verify the complete part number including the G4 suffix to ensure compliance with current manufacturing specifications. Confirm that the SOIC-8 package variant matches your PCB footprint requirements. Cross-reference the datasheet revision date to ensure alignment with your design's electrical constraints and environmental operating conditions.
Selection Notes
Select this component when hot-swap protection and signal buffering are required for two-wire interfaces. Ensure the system voltage falls within the 2.3 V to 5.5 V operational range. Consider the SOIC-8 package size for space-constrained designs requiring SMD mounting. Verify compatibility with the specific I2C or SMBus speed requirements of the target application.
Part Context
This part belongs to the TCA4311 series of interface buffers. It shares functional similarities with other hot-swap capable I/O expanders and level shifters from Texas Instruments. The DRG4 suffix indicates a specific tape-and-reel packaging configuration suitable for automated assembly processes in high-volume manufacturing environments.
Replacement Considerations
Publicly confirmed substitute part numbers for TCA4311DRG4 were not identified in the provided source material. Consult official manufacturer documentation for potential pin-compatible alternatives or updated revisions.
