In high power applications, such as GPU core power or CPU core power, the high phase number is necessary to achieve enough current capability within a limited inductor size and power stages (MOSFET). There are two different structures for DCR current sensing in multi-phase applications. ...
I'm designing an input filter for a power converter and the output impedance of the filter needs to stay comfortably under the input impedance of the converter, which looks like a 15 uH inductance at its operating point. Staying under 15 uH is a squeeze, but this one seems to be a good...
you have characterized each component’s contribution to the losses via a spreadsheet tool, which will usually tell you that the MOSFETs and the inductor resistance (“DCR” or direct current resistance) are the main contributors
The GLaplace element is used in PSPICE to describe a frequency-dependent impedance. The impedance is given by the inverse of the XFORM, or XFORM = 1/Z(S). To view the specific effective simulation results Include the following Macros in your Probe trace analysis to see frequency vs. induc...
1. Introduction to DCR Current Sensing Network The DCR current sensing network has been a popular method for inductor current sensing due to the advantages of power lossless and ease of design. In Figure 1, a standard DCR current sensing circuit is presented. A pair of Rx and Cx is in par...