Standard approximation
Buck converter design workspace
Calculate first-pass CCM duty, inductance, ripple current, peak current, and operating boundary for an ideal buck converter.
Engine category
Power Electronics
Published tools in this category solve distinct design decisions. Each keeps its assumptions, limits, and next decision visible.
Standard approximation
Boost converter design workspace
Calculate ideal CCM boost converter duty cycle, average input current, and required inductance.
Exact ideal relationship
Inverting buck-boost designer
Calculate ideal CCM inverting buck-boost duty cycle from input voltage and output magnitude.
Decision comparison
Non-inverting buck-boost planner
Classify whether a non-inverting buck-boost converter operates in its boost, transition, or buck region at a given input voltage.
Standard approximation
Flyback first-pass stress estimator
Estimate ideal reflected voltage and switch off-state voltage from input voltage, output voltage, and turns ratio.
Exact ideal relationship
LDO power and thermal planner
Calculate linear regulator dissipation and ideal load efficiency from input voltage, output voltage, and current.
Decision comparison
Switching versus linear regulator comparison
Compare ideal steady-state power loss between a linear regulator and a switching regulator at the same operating point.
Decision comparison
Converter efficiency and loss budget
Check that named component losses balance against total input/output power loss for one converter load point.
Exact ideal relationship
DC power-tree budget
Sum three DC rail loads and calculate the source power required at a stated aggregate conversion efficiency.
Standard approximation
Battery runtime estimator
Estimate battery runtime from capacity, voltage, reserve fraction, conversion efficiency, and a constant load.
Exact ideal relationship
Battery series-parallel pack planner
Determine the minimum integer series-parallel cell arrangement meeting a target pack voltage and capacity.
Exact ideal relationship
Supercapacitor energy and runtime planner
Calculate usable supercapacitor energy and estimated runtime for a constant-power discharge between two voltages.
Standard approximation
Inrush-current and precharge designer
Calculate the ideal precharge resistance and stored capacitor energy for a limited-current input capacitor charge.
Standard approximation
Hot-swap MOSFET stress planner
Calculate ideal startup charge time and stored energy for a current-limited hot-swap controller charging load capacitance.
Decision comparison
Reverse-polarity protection comparison
Compare steady-state conduction loss between a diode-based and a MOSFET-based reverse-polarity protection path.
Exact ideal relationship
Ideal-diode ORing planner
Calculate voltage drop and output voltage for one ideal-diode ORing conduction path carrying a stated current.
Decision comparison
Power multiplexer priority planner
State the transfer and recovery voltage thresholds for a power multiplexer given a falling threshold and hysteresis.
Standard approximation
Charge-pump voltage and ripple estimator
Estimate ideal no-load charge-pump output voltage and a simplified I/(fC) ripple term.
Exact ideal relationship
Constant-current LED driver planner
Calculate the current-sense resistor value and dissipation for a constant-current LED driver at its controller threshold.
Decision comparison
Power-sequencing timing planner
Calculate a rail dependency's nominal enable time and check its worst-case margin against a required minimum separation.