If your project is moving a lot of power around, and efficiency is key, an Adafruit LM73100 Ideal Diode breakout is a great way to keep your power budget tidy! As long as your power supply is 3~23V DC and up to 5A, use this in place of a diode to keep current flowing one direction. However, unlike a diode, you won’t suffer a 1V+ forward drop which just gets lost as heat. Instead, the internal chip has two back-to-back FETs, with a typical Rdson of 30 mΩ. That means that even with 5A, you’ll lose around 150mV. This makes it perfect for efficiency-sensitive setups like solar panels and LiPoly batteries.
The Adafruit LM73100 Ideal Diode Breakout guide has everything you need to get started with this breakout. There’s pages for overview, pinouts, CircuitPython, Arduino and resources for download.
Read more at Adafruit LM73100 Ideal Diode Breakout
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