What does TDC or TDP mean?
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TDC and TDP are acronyms for “Thermal Design Current” and “Thermal Design Power” respectively.
Thermal design current is the sustained (DC equivalent) current that a load is capable of drawing indefinitely and defines the current to use for voltage regulator temperature calculations.
Thermal design power is essentially the same thing except in terms of power (I * V) or (I^2 * R) rather than just current as heat is generated from power dissipated.