TCA9802DGKT The Texas Instruments TCA9802DGKT is a 2-bit, level-translating I2C/SMBus buffer/repeater operating up to 400 kHz. It supports bidirectional voltage translation between 0.8 V and 3.6 V.
Mfr Part #:

TCA9802DGKT

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9802DGKT is a 2-bit, level-translating I2C/SMBus buffer/repeater operating up to 400 kHz. It supports bidirectional voltage translation between 0.8 V and 3.6 V.
Total Stock: 104 pcs
$ Price Range: $0.46

TCA9802DGKT Available from 1 distributor

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TCA9802DGKT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Channels per Circuit
Frequency
Mounting Type
Number of Circuits
Operating Temperature
Output Type
Supplier Device Package
Translator Type
Voltage

TCA9802DGKT Description

Short technical summary and product information.

The TCA9802DGKT from Texas Instruments is a dual-channel, bidirectional buffer designed for I2C and SMBus systems. It provides level translation between low voltages, down to 0.8 V on the A-side, and higher voltages from 1.65 V to 3.6 V on the B-side.

 

This buffer/repeater supports a maximum frequency of 400 kHz and features an active-high enable input. It is compatible with I2C bus and SMBus protocols, supporting clock stretching and multiple master arbitration. The device includes an integrated current source on the B-side, eliminating the need for external resistors.

 

Packaged in an 8-VSSOP, the TCA9802DGKT is suitable for surface mount applications. Its operating temperature range is -40°C to 125°C. The device offers ultra-low power consumption and no static-voltage offset.

 

Key features include bidirectional translation, support for multiple voltage domains, and powered-off high impedance I2C bus pins for system flexibility.

TCA9802DGKT Quick Information

Product Type: Level Shifter
Canonical Name: TCA9802DGKT 2-bit Level-Translating I2C/SMBus Buffer/Repeater
Subcategory: I2C/SMBus

TCA9802DGKT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TCA9802DGKT Estimated Pricing

Qty Low High
1+ $0.46 $0.46

Estimated market price range - modelled values for guidance only, not live distributor offers.

TCA9802DGKT Features

  • 2-bit bidirectional I2C/SMBus buffer/repeater
  • Supports 0.8V to 3.6V voltage translation
  • Maximum frequency of 400 kHz
  • Integrated current source on B-side
  • Surface mount 8-VSSOP package

TCA9802DGKT Applications

  • Level shifting between different voltage rails
  • Extending I2C bus signal integrity
  • Interfacing I2C devices with varying voltages
  • SMBus communication systems

TCA9802DGKT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9802DGKT?

VCCA operates from 0.8 V to 3.6 V and VCCB operates from 1.65 V to 3.6 V.

What package does the TCA9802DGKT come in?

The device is available in an 8-VSSOP package (8-TSSOP, 8-MSOP (0.118", 3.00mm Width)).

What is the operating temperature range of the TCA9802DGKT?

The operating temperature range is -40°C to 125°C.

What is the maximum frequency supported by the TCA9802DGKT?

The maximum frequency is 400 kHz.

How many channels does the TCA9802DGKT have?

It has 2 bidirectional channels.

How many circuits are in the TCA9802DGKT?

It contains 1 circuit with 2 channels per circuit.

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