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TCA9617ADGKR The Texas Instruments TCA9617ADGKR is a 2-bit bidirectional I2C/SMBus buffer/repeater. It supports up to 1MHz operation and features voltage-level translation.
Mfr Part #:

TCA9617ADGKR

Available from 6 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9617ADGKR is a 2-bit bidirectional I2C/SMBus buffer/repeater. It supports up to 1MHz operation and features voltage-level translation.
✓ Total Stock: 110,684 pcs
$ Price Range: $0.39

TCA9617ADGKR Available from 6 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TCA9617ADGKR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Channels per Circuit
ESD Protection
Features
Latch-up Performance
Mounting Type
Number of Circuits
Operating Temperature
Output Type
SVHC Present
Supplier Device Package
Translator Type
Voltage
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TCA9617ADGKR Description

Short technical summary and product information.

The TCA9617ADGKR from Texas Instruments is a dual bidirectional buffer designed for I2C and SMBus systems. This device functions as an I2C/SMBus buffer/repeater, supporting standard mode, fast mode (400kHz), and fast mode+ (1MHz) I2C operations.

 

It offers flexible voltage-level translation with an operating supply voltage range of 0.8V to 5.5V on the A-side and 2.2V to 5.5V on the B-side. The TCA9617ADGKR features an active-high repeater-enable input and open-drain I2C I/O. It provides lockup-free operation and supports clock stretching and multiple controller arbitration.

 

Packaged in an 8-VSSOP, this surface-mount device is suitable for applications requiring robust I2C bus extension and voltage translation. Its latch-up performance exceeds 100mA and ESD protection is rated at 4000V HBM and 1500V CDM.

TCA9617ADGKR Quick Information

Product Type: Level Translator Buffer
Series: I2C & I3C level shifters, buffers & hubs
Canonical Name: TCA9617A 2-bit Level-Translating 1-MHz I2C/SMBus Buffer/Repeater
Subcategory: I2C/SMBus Buffer/Repeater

TCA9617ADGKR Compliance

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

TCA9617ADGKR Estimated Pricing

Qty Low High
1+ $0.39 $0.39

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

TCA9617ADGKR Features

  • 2-bit bidirectional I2C/SMBus buffer/repeater
  • Supports 1MHz Fast Mode Plus operation
  • 0.8V to 5.5V operating supply voltage
  • Open-drain I2C I/O with 5.5V tolerance
  • Surface mount 8-VSSOP package

TCA9617ADGKR Applications

  • Extends I2C bus segments
  • Interfaces between different voltage domains
  • Supports SMBus communication protocols
  • Enables robust multi-controller arbitration

TCA9617ADGKR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TCA9617ADGKR?

VCCA operates from 0.8V to 5.5V and VCCB from 2.2V to 5.5V.

What packages is the TCA9617ADGKR available in?

It is available in 8-VSSOP and 8-TSSOP/8-MSOP (0.118", 3.00mm Width) packages.

What is the operating temperature range?

-40°C to 85°C (TA).

What is the maximum frequency supported?

1 MHz, supporting standard, fast (400 kHz), and fast+ modes.

Does the device support clock stretching?

Yes, it supports clock stretching and multiple controller arbitration.

What ESD protection does it have?

4000V Human-body model and 1500V Charged-device model.

Is the TCA9617ADGKR a replacement for TCA9517?

Yes, it is a footprint and function replacement for the TCA9517.

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