An I2C power monitor in a square inch.
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I needed a sensor to accurately measure voltage and current. Most available solutions will only measure up to 5A or 36V or even less. I was planning to measure up to 10A and 60V. Therefore I needed to build my own.
With the resurrection of the " One Square Inch" contest I decided to enter my board into the competition.
There are some limitations on the LTC4151 as its supply rail is dependent on the voltage you are monitoring. i.e. lowest voltage you could monitor is 7V.
This just _just_ stung me when trying to integrate it by powering from the +5V0 rail!
Pinski1
Claudio Alberto Ortega
yatharthrpi
John Loeffler
jag
I've barely even started populating this. The main targeted voltage is >36V for which the LTC4151 is ideal. For voltages less than 36V there are plenty of breakout board options available. I see no point in duplicating that which already exists.