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TCA9543ADR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TCA9543ADR product

TCA9543ADR

Signal Switches

I2C SwitchVoltage TranslatorInterface IC

The TCA9543ADR is a 2-channel bidirectional I2C switch used to resolve slave address conflicts and perform voltage level translation.

Best for

  • Resolving I2C address conflicts
  • Voltage level translation in mixed-voltage systems

Avoid if

  • High-speed applications exceeding 400 kHz

Check before use

  • Total bus capacitance

Key specifications

Channels
2
Supply Voltage
1.65V to 5.5V
Max Frequency
400 kHz

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
-
HTSUS
-

Application

ServersRouters

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TCA9543ADR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 2-channel, bidirectional translating I2C switch that allows a master to communicate with multiple slave devices, even if they share the same I2C address.