Identify SM5212

ThomsCircuit

Well-Known Member
I cannot seem to locate the datasheet for SM5212. I can find MIC5212. If the two are the same then fine I'm just looking for the pinout.
This is part of a battery operated lamp with a touch sensor. Some of the traces have lifted off so I'm wanting to piece it back together as well



Trace Detail and how I believe they were routed


component detail
 
Looking at the pcb trace and now that I know the pin-out the VCC (4) and GND (3) make no sense. Can you help me understand how this IC works connected like this?
Board updated
 
Last edited:
augustinetez said:
The two pins you've labelled as data are actually V+ and the two pins on each outside edge are GND.
Click to expand...
That explains a great deal. I do have a couple of these so I could try to repair it. I have a concern on how pin (4) on the 5212 is connected to VDD. I suppose the trace could be underneath the IC.
Thank you for you help with this.
 
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