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I2C & I3C level shifters, buffers & hubs — in-stock parts

As of September 18, 2026, TI-ADI (ONE BOM LIMITED) has 115 I2C & I3C level shifters, buffers & hubs parts available for sale, 0 of which can ship within 7 days.

Part numberManufacturerPackageLead time
TCA9416DTMR
Ultra-low voltage I2C translator with rise time accelerators
Texas Instruments8-X2SON (DTM)
PCA9306HDQER
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-X2SON (DQE)
PCA9306DCUT
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-VSSOP (DCU)
TCA9406DCTR
2-bit bidirectional 1MHz I2C/SMBus voltage level translator with internal pull-up resistor
Texas Instruments8-SM8 (DCT)
PCA9306DCTT
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-SSOP (DCT)
PCA9306DCTTE4
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-SM8 (DCT)
PCA9306DCTTG4
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-SM8 (DCT)
TCA9803DGKT
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 3-mA current source
Texas Instruments8-VSSOP (DGK)
PCA9306DCTRE4
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-SM8 (DCT)
PCA9306DCTRG4
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-SM8 (DCT)
TCA9617BDGKR
2-bit level-translating 1-MHz I2C/SMBus buffer/repeater with powered-off high-impedance
Texas Instruments8-VSSOP (DGK)
TCA9802DGKT
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 2-mA current source
Texas Instruments8-VSSOP (DGK)
TCA9802DGKR
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 2-mA current source
Texas Instruments8-VSSOP (DGK)
ISO1642DWR
Hot-swappable, robust-EMC bidirectional I²C Isolators with 2 GPIOs
Texas Instruments16-SOIC (DW)
P82B715DR
2-bit bidirectional 3- to 12-V 400-kHz I2C/SMBus buffer/cable extender
Texas Instruments8-SOIC (D)
P82B715DRG4
2-bit bidirectional 3- to 12-V 400-kHz I2C/SMBus buffer/cable extender
Texas Instruments8-SOIC (D)
PCA9306YZTR
2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-DSBGA (YZT)
PCA9518PWR
5-channel bidirectional 3- to 3.6-V expandable 400-kHz I2C/SMBus buffer/hub
Texas Instruments20-TSSOP (PW)
TCA9801DGKT
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 1-mA current source
Texas Instruments8-VSSOP (DGK)
TCA9416DDFR
Ultra-low voltage I2C translator with rise time accelerators
Texas Instruments8-SOT-23-THIN (DDF)
TCA9517DR
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with powered-off high-impedance
Texas Instruments8-SOIC (D)
P82B96PWR
2-bit bidirectional 2- to 15-V 400-kHz I2C/SMBus buffer/cable extender
Texas Instruments8-TSSOP (PW)
P82B96PWRG4
2-bit bidirectional 2- to 15-V 400-kHz I2C/SMBus buffer/cable extender
Texas Instruments8-TSSOP (PW)
PCA9515BDGKR
2-bit bidirectional 2.3- to 3.6-V 400-kHz I2C/SMBus buffer
Texas Instruments8-VSSOP (DGK)
TCA9509MRVHR
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 1-mA current source
Texas Instruments8-X2QFN (RVH)
ISO1541QDRQ1
Automotive, 2.5-kVrms, isolated unidirectional clock, bidirectional I2C isolator
Texas Instruments8-SOIC (D)
P82B715P
2-bit bidirectional 3- to 12-V 400-kHz I2C/SMBus buffer/cable extender
Texas Instruments8-PDIP (P)
P82B715PE4
2-bit bidirectional 3- to 12-V 400-kHz I2C/SMBus buffer/cable extender
Texas Instruments8-PDIP (P)
TCA9511ADGKR
2-bit bidirectional 2.3- to 5.5-V hot swappable 400-kHz I2C/SMBus buffer
Texas Instruments8-VSSOP (DGK)
TCA9517ADGKR
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with powered-off high-impedance
Texas Instruments8-VSSOP (DGK)
TCA9406DCUR
2-bit bidirectional 1MHz I2C/SMBus voltage level translator with internal pull-up resistor
Texas Instruments8-VSSOP (DCU)
TCA39306DCUR
FM+ I²C bus and SMBus voltage translator
Texas Instruments8-VSSOP (DCU)
TCA9800DGKR
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 0.5-mA current source
Texas Instruments8-VSSOP (DGK)
TCA4307DRGR
2-bit bidirectional 2.3-V to 5.5-V, hot-swappable 400-kHz I<sup>2</sup>C/SMBus buffer with stuck-
Texas Instruments8-WSON (DRG)
PCA9518PW
5-channel bidirectional 3- to 3.6-V expandable 400-kHz I2C/SMBus buffer/hub
Texas Instruments20-TSSOP (PW)
ISO1640BQDRQ1
Automotive, hot-swappable, robust-EMC bidirectional I2C isolator with bidirectional clock
Texas Instruments8-SOIC (D)
TCA39416DDFR
Ultra-low-voltage I3C translator with rise time accelerators
Texas Instruments8-SOT-23-THN (DDF)
ISO1640BDR
Hot-swappable, robust-EMC bidirectional I2C isolator with bidirectional clock
Texas Instruments8-SOIC (D)
PCA9518DBQR
5-channel bidirectional 3- to 3.6-V expandable 400-kHz I2C/SMBus buffer/hub
Texas Instruments20-SSOP (DBQ)
TCA9803DGKR
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 3-mA current source
Texas Instruments8-VSSOP (DGK)
P82B96DG4
2-bit bidirectional 2- to 15-V 400-kHz I2C/SMBus buffer/cable extender
Texas Instruments8-SOIC (D)
ISO1643DWR
Hot-swappable, robust-EMC bidirectional I²C Isolators with 2 GPIOs
Texas Instruments16-SOIC (DW)
PCA9306IDCURQ1
Automotive 2-bit bidirectional 400-kHz I2C/SMBus voltage level translator
Texas Instruments8-VSSOP (DCU)
FPC402RHUR
Quad Port Controller
Texas Instruments56-WQFN (RHU)
TCA9617ADGKR
2-bit level-translating 1-MHz I2C/SMBus buffer/repeater
Texas Instruments8-VSSOP (DGK)
ISO1640QDWRQ1
Automotive, hot-swappable, robust-EMC bidirectional I2C isolator with bidirectional clock
Texas Instruments16-SOIC (DW)
PCA9518DWR
5-channel bidirectional 3- to 3.6-V expandable 400-kHz I2C/SMBus buffer/hub
Texas Instruments20-SOIC (DW)
FPC202RHUR
Dual Port Controller With Expanded I/Os
Texas Instruments56-WQFN (RHU)
PCA9518DBR
5-channel bidirectional 3- to 3.6-V expandable 400-kHz I2C/SMBus buffer/hub
Texas Instruments20-SSOP (DB)
FPC401RHUR
Quad Port Controller
Texas Instruments56-WQFN (RHU)

Manufacturers in this category

Quality process, mapped to industry standards

  1. Source verificationsupplier credentials, lot origin declaration, authorized-chain records (AS6081)
  2. Incoming visual inspectionmarkings, coplanarity, oxidation, refurbishment signs (IDEA-STD-1010-B)
  3. X-raydie, bond wires and voids compared with a golden sample (AS6171/4)
  4. Decap / solvent testsample decapsulation for die marking; acetone marking test (IDEA-STD-1010-B)
  5. Functional / electrical testkey parameters on bench or at a third-party lab (AS6171/6)
  6. Moisture & packagingMSL level, vacuum bag, desiccant, humidity indicator (JEDEC J-STD-020 / J-STD-033)
  7. Shipment reportinspection photos and report number with every lot (ISO 9001:2015)

What happens after you send an RFQ

  1. 1. First reply within 2 business hours (UTC+8)
  2. 2. Quote with price, lead time, date code and Incoterm
  3. 3. Pay by T/T, PayPal, L/C or escrow
  4. 4. Inspection photos sent before shipping
  5. 5. 30-day quality guarantee and return policy

How to buy: payment terms, Incoterms and 30-day guarantee