The modular system of power conversion components employs a flexible design concept that consists of OEM components for thermal management, electrical, and mechanical interconnection and interfaces between power unit and control.
A quasi-square wave switchmode power supply offers many advantages — including a soft EMI signature and a constant efficiency over a broad output load range. However, by nature, a quasi-resonant (QR) supply exhibits a highly variable switching...
A new IC allows a switching topology that rivals the simplicity and low cost of linear adapters, enabling a smaller, lighter package of up to 75% efficiency with 3W output and <300mW at no load.
A new power supply design uses a combination of chassis capacitors, non-inductive snubber resistors and an inductor to achieve 500mVp-p and 35 dB reductions in output noise and radiated emissions, respectively.
IGBT power modules integrate drivers, isolation, and ZVS logic circuits to lower switching losses, output regulation, and ripple.
Injecting a signal from a frequency response analyzer determines the gain and phase margin of a switching power supply.
Analytical approach demonstrates how the open-loop gain and phase prediction can determine the optimal compensation network for a zero current switched (ZCS) dc-dc, variable frequency forward converter.
Technique predicts more accurate magnetics core loss for pulsed operation.
This is the first of a series of regular columns with tips and tricks for using SPICE to aid in the design of switchmode power supplies.