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A coil can couple well, but run too hot.
It can fit nicely into the product, but lose efficiency.
It can handle misalignment, but require more space than the mechanical team wants to give.
That is the trade-off engineers keep running into:
efficiency, package size, and heat.You can improve one side of...
A wireless charging system gets hot.
That part is clear.
The harder question is: what should be changed first to reduce the heating?
The coil? The ferrite shield? The nearby metal plate? The alignment between transmitter and receiver? The operating current?
A temperature distribution alone does not answer that. It only shows where ...