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Phase-Shifted Full-Bridge (PSFB) Zero-Voltage Switching (ZVS) Energy & Dead-Time Calculator

Easily calculate and compute phase-shifted full-bridge (psfb) zero-voltage switching (zvs) energy & dead-time calculator with accurate equations, live formulas, and expert guidance.

High-voltage DC bus input.

Effective Coss per primary MOSFET.

Series leakage and external shim inductor.

Current available in lagging leg to discharge Coss.

Calculated Result
103.2 ns

Required ZVS Dead Time

Required ZVS Dead Time

103.2 ns

Optimum Dead Time Ns

103.2

Energy Stored In Leakage U J

1176

Energy Required To Discharge Coss U J

28.8

Minimum Current For Complete Zvs A

2.19

103.2 — ns

Calculation Breakdown

  1. Applied FormulaDetermines whether inductive energy in the primary leakage inductance is sufficient to fully discharge MOSFET drain-source capacitances before gate turn-on in phase-shifted full-bridge inverters.\frac{1}{2} L_{lk} I_{pri}^2 \ge \frac{1}{2}(2 C_{oss}) V_{in}^2, \quad t_{dead} = \frac{\pi}{2} \sqrt{L_{lk} (2 C_{oss})}

PSFB ZVS Energy & Dead-Time Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.0265277103Required ZVS Dead Time

What Is the Phase-Shifted Full-Bridge (PSFB) Zero-Voltage Switching (ZVS) Energy & Dead-Time Calculator?

This tool computes phase-shifted full-bridge (psfb) zero-voltage switching (zvs) energy & dead-time calculator with high precision arithmetic.

How Does the Phase-Shifted Full-Bridge (PSFB) Zero-Voltage Switching (ZVS) Energy & Dead-Time Calculator Work?

Determines whether inductive energy in the primary leakage inductance is sufficient to fully discharge MOSFET drain-source capacitances before gate turn-on in phase-shifted full-bridge inverters.

Phase-Shifted Full-Bridge (PSFB) Zero-Voltage Switching (ZVS) Energy & Dead-Time Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

12LlkIpri2≥12(2Coss)Vin2,tdead=π2Llk(2Coss)\frac{1}{2} L_{lk} I_{pri}^2 \ge \frac{1}{2}(2 C_{oss}) V_{in}^2, \quad t_{dead} = \frac{\pi}{2} \sqrt{L_{lk} (2 C_{oss})}

Determines whether inductive energy in the primary leakage inductance is sufficient to fully discharge MOSFET drain-source capacitances before gate turn-on in phase-shifted full-bridge inverters.

How to Use the Phase-Shifted Full-Bridge (PSFB) Zero-Voltage Switching (ZVS) Energy & Dead-Time Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Phase-Shifted Full-Bridge (PSFB) Zero-Voltage Switching (ZVS) Energy & Dead-Time Calculator Example

Input Values:

inputDcBusVoltageVin:400
mosfetOutputCapacitanceCossPf:180
primaryLeakageInductanceLlkUH:12
primaryCurrentAtTurnOffA:14
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required ns.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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