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TCA9509DGKR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TCA9509DGKR product

TCA9509DGKR

Signal Buffers

I2C RepeaterLevel TranslatorSMBus

The TCA9509 is a high-performance I2C/SMBus repeater designed for voltage-level translation and bus extension in mixed-voltage systems.

Best for

  • Mixed-voltage I2C systems
  • Long PCB traces
  • Bus isolation

Avoid if

  • Applications requiring extremely low power consumption during idle

Check before use

  • VCCA/VCCB power sequencing
  • Pull-up resistor values on B-side

Key specifications

Channels
2
Max Frequency
400 kHz
A-Side Voltage
0.9V - 5.5V
B-Side Voltage
2.7V - 5.5V

Compliance & Environment

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

Application

ServersTelecom Routers

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TCA9509DGKR: 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
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

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 buffer that provides voltage-level translation and signal buffering for I2C and SMBus systems.