Decapped BMS Chips
Why? Because it's interesting to see what's inside. Here are some chips that I bought on the Internet and had decapped and then photographed under a microscope. Die area estimates are from comparing the die to a ruler photographed with the chip.
Click on any photo for a larger version.
Die area: The area is about 20.9 mm2, based on the following measurements:
Die area: The area of the larger die is about 9.2 mm2, based on the following measurements:
Isn't that second smaller die pretty?
This one I bought from some sketchy Chinese website. Die area 16.9mm2.
I can't find my photos. But the diea area is about 19.5 mm2.
Coming in June 2019...Last updated 12 February 2019 © Anna Mitros
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