Supply design

A Generalized Design Approach to Power Supplies Introducing the Building-block Approach to Power Supply Design... 

It all sounds simple, but the legendary and cursed philosopher, Murphy, runs wild through the field of power supply design, so expect many a visit from this unwelcome guest. 

A Comment about Power Supply Design Software... 

A too MHz or higher bandwidth, time-based oscilloscope. The bandwidth is especially needed for switching power supply design. A digital oscilloscope may miss important transients on some of the key waveforms, so evaluate any digital oscilloscope carefully. 

An ac and/or dc current probe for the oscilloscope. Especially needed for switching power supply design. Some appropriate models are Tektronics P6021 or P6022 and A6302 or A6303, or better. 

Building-block Approach to Switching Power Supply Design... 

Proteetion of the load and of the power supply from failures in the load should be an important eonsideration within all switehing power supply designs. It is important to know what failures are likely to oeeur within the switehing power supply and the load. An exereise that is frequently required in military designs is what is ealled a FMEA (failure modes and effeets analysis), where eaeh eom-ponent is hypothetieally assumed to fail open-eireuited and then short-eireuited. With sueh failures, how does eaeh failure affeet the other seetions of the eireuit This antieipation of failures ean make a power supply design robust. It is the responsibility of the power supply designer to provide proteetion to the load eireuitry from anomalies eneountered from the input line and failures within the supply and the load eireuitry. Often, proteetion sehemes ean be easeaded to provide redundant proteetion in the event of a failure in a proteetion eireuit. A fuse or a eireuit-breaker usually provides sueh a baek-up funetion. 

I developed the concept for Power Supply Cookbook after having spent many hours working with design engineers on their power supply designs and, subsequently, my own designs. 

A. Read Chapter 1 on the role of the power supply within the system and design program. This chapter provides the reader with insight as to the role of the power supply within the overall system, and develops the power supply design specification. 

Baharev, V. A., and V. N. Troyanovsky. 1958. The Basis of Heating and Ventilating Systems with the Concentrated Air Supply Design and Calculation. Profiz.dat, Moscow. 

Taniopolsky,. M. D. 1966. Concentrated air supply design in ventilated rooms. Water Supply and Sanitary Technique, no. 6. 

K. Hagstrom, K. Siren, and A. Zhivov, Calculation Methods for Air Supply Design m Industrial Facilities—Literature Review, Espoo Helsinki University of Technology, 1999, Report B60. 

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