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I2C communication USB to I2C converter

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Nikos A.:
Hi everyone,

I am designing a board that incorporates the bq27421 battery gauge. Reading this Application Report https://www.ti.com/lit/an/slua790/slua790.pdf?ts=1598963347236&ref_url=https%253A%252F%252Fwww.google.com%252F, the author uses an I2C master control panel (see pg3) to communicate with the slave.



 That seems really convinient before starting developing the firmware.

I suppose that this requires a USB to I2C converter something like this https://learn.adafruit.com/adafruit-ft232h-breakout/overview isn't it? Also, I believe is required some kind of software to run the I2C control panel.. So I want to ask if someone has to recommend any PC based I2C master tool to interact with I2C slaves.

Thanks
Nick

HB9EVI:
https://github.com/harbaum/I2C-Tiny-USB

works reliably but not very fast

otherwise: MCP2221

simple to use and faster; a plus is, that it doesn't require any external components like a crystal; although I haven't done any longtime test so far;

jhenderson0107:
I have this one and it works well:  https://www.crowdsupply.com/excamera/i2cdriver

madires:
Arduino, BusPirate, RasPi, ... anything with an MCU and an USB port.

magic:
Any VGA/DVI/HDMI output contains an I2C master but it takes software to use it.

Very easy on Linux.

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