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PCA9546APWR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

PCA9546APWR product

PCA9546APWR

Specialized

I2C SwitchVoltage TranslatorSMBus

The PCA9546A is a 4-channel I2C/SMBus switch designed for systems requiring bus isolation, address conflict resolution, and multi-voltage level translation.

Best for

  • I2C bus expansion
  • Voltage level translation
  • Resolving slave address conflicts

Avoid if

  • High-speed data applications exceeding 400kHz

Check before use

  • Pull-up resistor values
  • Bus capacitance limits

Key specifications

Channels
4
Max Frequency
400 kHz
Supply Voltage
2.3V to 5.5V

Compliance & Environment

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

Application

ServersFactory Automation

CAD Models

Download ECAD models for PCA9546APWR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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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 quad bidirectional translating switch controlled via the I2C bus, allowing a single master to communicate with multiple I2C slave devices.