What are these black rectangular SMD elements
What are these black rectangular SMD elements and what is the resistance of the resistors between them, thanks
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1
969042
crwdns2934065:0crwdne2934065:0: 33
1
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crwdns2934065:0crwdne2934065:0: 4.5crwdns2936485:0crwdne2936485:0
14
5
4
Maybe you can find some info based on these close-up images of the area
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That a better image than what I had found👍 I was looking for DA9081
So it's a Dialog DA9091 it looks like this chip might be the root issue as you can see in this dialog DA9091 on Raspberry Pi's site and here Renesas 9091 support. Here's a source for the chip DA9091 and it appears the chip can burn when subjected to the wrong voltage.
Still looking for the chip sheet and maybe a sample circuit.
The inductors you highlighted are the following spec
Inductor, SMT 0805, 470nH, IRMS=4A, ISAT=4.6A, DCR(max)=35mR
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Sadly the schematics and the full board view drawings have not been released to be sure. Here's a useful site to help you a bit: raspberrypicase
crwdns2957956:0crwdnd2957956:0 DanJ crwdne2957956:0 crwdns2950251:0crwdne2950251:0