Magwel Announces Simulation Solution for Optimizing Switching-Power Loss in DC-DC Converters and Switching Power Supplies

SAN JOSE, Calif. — (BUSINESS WIRE) — August 8, 2016 — After working through the Cadence® Connections Program on an integration with the Virtuoso® Analog Design Environment and the Spectre® simulation platform, Magwel is announcing a solution for incorporating detailed and accurate models for power devices and converter circuits into the Cadence simulation flow, enabling accurate optimization of the key performance parameters of converter circuits. Adding transient modeling to its line of power transistor modeling tools, Magwel now offers an integration into the Cadence Spectre simulation platform and Virtuoso Analog Design Environment for circuit simulation with comprehensive models that include non-uniform device switching effects.

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Power Transistor Transient Modeling (Graphic: Business Wire)

Power Transistor Transient Modeling (Graphic: Business Wire)

Designing and optimizing circuits like Buck and Boost converters, DC-DC converters of all sorts and switching power supplies entails minimizing switching-power loss and reducing dead-time and shoot-through currents. Large power transistors exhibit non-uniform 3D current flows and current crowding due to their wide complex metal structures. Moreover, propagation delays in the complex gate networks cause non-uniform turn-on/off of the active devices, which can cause current crowding and device breakdown.

Designers and layout engineers often try to estimate layout parasitics with approximate lumped element models. As a result, designers have to add extra design margins to avoid shoot-through currents leading to less optimal and lower performance designs. The integration addresses these requirements, removing the guesswork from the process.

“The Cadence Virtuoso Analog Design Environment together with the industry-leading high-precision Spectre circuit simulation platform allows comprehensive simulation of power converter designs, including process corners and custom test benches. We are excited to add to these capabilities fine-grain transient modeling of power device circuits,” said Magwel CEO, Dündar Dumlugöl.

Magwel offers unique solutions to difficult design issues that directly affect yield and performance. To learn more email us at or visit our website at

About Magwel

Magwel offers 3D field solver and simulation based analysis and design solutions for analog/mixed-signal, power management, automotive, and RF semiconductors. Magwel software products address power device design, ESD protection network simulation/analysis, and power distribution network integrity. Leading semiconductor vendors use Magwel’s tools to improve productivity, and to avoid redesign, respins and field failures. Magwel is privately held and is headquartered in Leuven, Belgium. Further information on Magwel can be found at

©2016 Magwel NV. All rights reserved Magwel, PTM, PTM-TR, PTM-ET, ESDi and the Magwel logo are trademarks of Magwel NV. Cadence, the Cadence logo, and the other Cadence marks found at are trademarks or registered trademarks of Cadence Design Systems, Inc. Other company and product names may be trademarks of the respective companies with which they are associated.


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