Thermal Design Calculator
Calculate heatsink requirements. Verify thermal margin and determine if forced cooling is needed.
Key Formulas
Tj = Ta + Pd × RθJA
RθJA = RθJC + RθCS + RθSA
Max RθSA = (Tjmax – Ta)/Pd – RθJC – RθCS
Calculate heatsink requirements. Verify thermal margin and determine if forced cooling is needed.
Tj = Ta + Pd × RθJA
RθJA = RθJC + RθCS + RθSA
Max RθSA = (Tjmax – Ta)/Pd – RθJC – RθCS