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Schematics help pls

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Tavi:
I need some help with the below circuit (I know it is messy). The battery management circuit seems just fine but when I give power to the ME2108 and then to the AMS1117 the AMS1117 will heat up very fast so I think I have a short somewhere.

Can you please give some quick ideas on what is going on? I did debugging for 2h but I'm not really an electrical engineer.

Thanks! :)

daqq:
What's the input voltage and the current draw? Is +3V3 present on the output while it heats up? Could be completely fine - the AMS1117 is a linear regulator, which means that the excess voltage is simply 'dissipated' on the part. If you have, say a +5V input and a +3.3V output and you are using, say, 200mA, that means you have to dissipate 1.7V * 0.2A = 0.35W of power as heat - might not seem like much, but it is.

PlainName:
The ME2108 is a 2.7V device whereas the AMS1117 is 3.3v, so if there is any voltage on the AMS1117 Vout it's going to back-power the device. You need a diode between Vin and Vout to prevent that (shouldn't  be a problem right now because there is nothing powering the 3.3V rail, but once it's running if the input power dies quicker than the output is consumed then you could have an issue).

PlainName:
And... I'm missing where the battery gets charged. There seems to be no connection between the charge chip and the battery.

Tavi:
@daqq Battery is lipo 3.7v 700mAh. Current draw is 200mAh max. Now it does not heat up at all and is pretty much dead (when it did heat up the ME2108 was outputting 2.7 ish - that is very strange).

Something strange happened at some point either the ME2108 was super hot or the AMS1117 was super hot and then everything died.

The battery management circuit works well still.

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