Power and supplies
Energy, wiring, converters, PCB traces and thermal design.
Included tools
Power dissipationEnergy, wiring, converters, PCB traces and thermal design.Battery runtimeEnergy, wiring, converters, PCB traces and thermal design.Wire voltage dropEnergy, wiring, converters, PCB traces and thermal design.AWG wire size and currentConvert AWG to diameter and area and estimate resistance, voltage drop and an indicative current range.PCB trace widthEstimate minimum PCB trace width from current, copper weight and allowed temperature rise.Semiconductor thermal dissipationEstimate semiconductor junction temperature, total thermal resistance and maximum power.Buck and boost converterEstimate duty cycle, input current, power and loss for a buck or boost converter.Zener diodeEnergy, wiring, converters, PCB traces and thermal design.LM317 regulatorEnergy, wiring, converters, PCB traces and thermal design.
Component selection
Always check units, prefixes and order of magnitude. Do not use an ideal result without margin or a datasheet check. Compare the result with temperature, tolerances and real conditions.