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Hot Swappable I2C-bus and SMBus Buffer

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Hot swappable IC-bus and SMBus buffer that allows add-on card insertion into a live back-plane without corrupting the I²C-bus/SMBus data and clock buses.


  • Protocol: I2C-Bus, SMBus
  • Hot SWAP
  • I2C frequency: 400KHz
  • Operating Voltage: 2.7 to 5.5V


  • Server
  • Storage
  • Networking

Product Specifications

Product Parameters

Translation From (V) 0.8 to 5.5
Translation To (V) 0.8 to 5.5
Max Signal Rate 400Khz
Bits Needed 2
Auto Direction Sensing? Yes
Shift Bi-Directional
Prop Delay 70ns
Ambient or Junction Temperature (°C) -40 to 85
Compliance (Only Automotive supports PPAP) Standard

Technical Documents

Design tool model software

Recommended Soldering Techniques


Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents

Request Documents
Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
Contact Sales
Request Samples
Qty. Carrier
PI6ULS5V9511AUEX Active MSOP-8 TPGP 2500 T&R Contact Sales Request Sample
PI6ULS5V9511AWEX Active SO-8 GREEN 2500 T&R


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 7 6/26/2022 South America, North America, Asia, Europe, Middle East Buy Now
Digi-Key Electronics 5000 6/25/2022 Europe, Asia, North America Buy Now
Request Sample
PI6ULS5V9511AZWEX Active U-DFN2030-8 TPGP 3000 T&R Contact Sales Request Sample

Environmental Compliance Legend:
LFF: Pb-Free Finish and RoHS 5/6
TLFP: Totally Pb-Free Product and RoHS 6/6
LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free
TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free
GREEN: Halogen-free and RoHS compliant
RoHS: RoHS compliant but NOT halogen-free