improved INA3221 3 channel voltage and current sensor breakout board - allows 3 separate power supplies - No sense resistors populatedDesigned by yesyes Electronics in United Kingdom
You asked for it and here it is! A version of my improved INA3221 breakout board with no sense resistors populated. You can solder on your own sense resistors with the value you want, or you can use …Read More…
You asked for it and here it is! A version of my improved INA3221 breakout board with no sense resistors populated. You can solder on your own sense resistors with the value you want, or you can use external (high current) shunts.
See documentation link below for more details on this board.
The commonly available INA3221 breakout board has a design flaw where all 3 channels use the same power supply. I wanted to fix that and make an improved version available.
My version implements the example circuit from the INA3221 datasheet and therefore allows 3 different power supplies; one per channel.
You can now select additional sense resistors with this product. This includes 3 sense resistors (SMD 2512 (imperial) / 6332 (metric), 3 Watt).
Please select which resistor value you want, and whether you want me to solder the resistors onto the board or you want them separate.
Available resistor values:
0.100 Ohm 0.075 Ohm 0.050 Ohm 0.025 Ohm
A version of this module with 0.010 Ohm resistors already populated is available here: https://www.tindie.com/products/yesyes/improved-ina3221-breakout-3-power-supplies-001ohm/
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Paul | July 17, 2022
Martin | Jan. 12, 2022
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