Adafruit TCA4307 Hot-Swap I2C Buffer with Stuck Bus Recovery Qwiic

Name: Adafruit TCA4307 Hot-Swap I2C Buffer with Stuck Bus Recovery Qwiic
Brand: Adafruit
SKU: AF5159
Price: 6.95 EUR
Availability: InStock

SKU: AF5159

6,95 €

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Description
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Product Information

Product safety information

Manufacturer information:

Adafruit Industries LLC
Varick St. 150
Unknown NY
New York, Vereinigte Staaten, 10013
[email protected]
https://eckstein-shop.de/Adafruit-Marken

Responsible person:

Eckstein GmbH
Am Ostbahnhof 3
Niedersachsen
Clausthal-Zellerfeld, Deutschland, 38678
[email protected]
https://eckstein-shop.de

Dimensions and Weight
GTIN:	4060137071270
HAN:	5159
Category:	Miscellaneous
Storage Tiers:	Maintain
RoHS Certificate:	compliant
Shipping weight:	0,01 kg
Item weight:	0,01 kg
Dimensions ( Length × Width × Height ):	2,54 × 1,80 × 0,50 cm

Product Description

The Adafruit TCA4307 Hot-Swap I2C Buffer breakout is specifically designed to take a non-hot-swap protocol (I2C) and protect the controller from wayward peripherals messing with the bus during attach/detach.

Usage is super simple. Connect the left side (IN) to your main board controller - Arduino, Raspberry Pi, Feather, etc. Then connect any I2C sensors you like to OUT side. Power is connected through - this isn't a power isolator, just a bus buffer. You can use 2.3 to 5.5V DC power and logic levels.

The chip can handle up to 400KHz I2C clock rates and even has stuck bus recovery: it automatically disconnects the bus if it detects either SDAOUT or SCLOUT are low for about 40 ms. Once the bus is disconnected, the device automatically generates up to 16 pulses on SCLOUT to attempt to reset the device which is holding the bus low.

There's also an extra ENable pin, if you want to disconnect the in and out sides, and a READY pin that will let you know if the peripheral is buffer-connected to the controller (and is safe to attempt communication with)

To get you going fast, we spun up a custom-made PCB in the STEMMA QT form factor, making it easy to interface with. The STEMMA QT connectors on either side are compatible with the SparkFun Qwiic I2C connectors. This allows you to make solderless connections between your development board and the TCA4307 or to chain it with a wide range of other sensors and accessories using a compatible cable.

TECHNICAL DETAILS

Product Dimensions: 25.4mm x 17.8mm x 4.5mm
Product Weight: 1.7g

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Manufacturer according to GPSR
Adafruit Industries LLC, Varick St. 150, 10013 New York, Unknown NY, Vereinigte Staaten, [email protected], https://eckstein-shop.de/Adafruit-Marken
Responsible person according to GPSR
Eckstein GmbH, Am Ostbahnhof 3, 38678 Clausthal-Zellerfeld, Niedersachsen, Deutschland, [email protected], https://eckstein-shop.de

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Adafruit TCA4307 Hot-Swap I2C Buffer with Stuck Bus Recovery Qwiic

Dimensions and Weight

Adafruit TCA4307 Hot-Swap I2C Buffer with Stuck Bus Recovery Qwiic

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