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TCA9545APWR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TCA9545APWR product

TCA9545APWR

Signal Switches

I2C SwitchVoltage TranslatorTSSOP-20

The TCA9545A is a 4-channel bidirectional I2C switch designed for systems with slave address conflicts or mixed-voltage bus requirements.

Best for

  • Systems with multiple identical I2C sensors
  • Mixed-voltage I2C bus architectures

Avoid if

  • Applications requiring high-speed communication beyond 400 kHz

Check before use

  • Pull-up resistor values for each channel
  • Interrupt input configuration

Key specifications

Channels
4
Supply Voltage
1.65 V to 5.5 V
Max Clock
400 kHz

Compliance & Environment

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

Application

ServersRoutersFactory Automation

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TCA9545APWR: 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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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 4-channel bidirectional I2C/SMBus switch that allows a master to communicate with multiple slave devices, even those with identical addresses.