DC Power Supplies: Power Management and Surge Protection for by Nihal Kularatna

By Nihal Kularatna

As we more and more use digital units to direct our day-by-day lives, so grows our dependence on trustworthy power assets to strength them. simply because smooth digital platforms call for regular, effective, trustworthy DC voltage sources―often at a sub-1V level―commercial AC strains, batteries, and different universal assets now not suffice. New applied sciences additionally require difficult strategies to guard opposed to average and artifical mess ups. nonetheless, regardless of its significance, functional info in this severe topic is still not easy to find.

Using uncomplicated, available language to stability insurance of theoretical and functional features, DC energy provides, energy administration and Surge Protection info the necessities of energy electronics circuits acceptable to low-power structures, together with sleek transportable units. A precis of underlying ideas and crucial layout issues, it compares educational examine and guides and reports DC energy provide basics, together with linear and low-dropout regulators. content material additionally addresses universal switching regulator topologies, exploring resonant conversion approaches.

Coverage contains different very important issues such as:

  • Control elements and regulate theory
  • Digital keep an eye on and keep watch over ICs utilized in switching regulators
  • Power administration and effort efficiency
  • Overall strength conversion degree and uncomplicated safeguard innovations for larger reliability
  • Battery administration and comparability of battery chemistries and charge/discharge management
  • Surge and temporary defense of circuits designed with glossy semiconductors in keeping with submicron size transistors

This really good layout source explores appropriate primary parts of strength resources, with a number of mentioned references and dialogue of business parts and brands. despite their earlier adventure point, this knowledge will drastically reduction designers, researchers, and lecturers who, learn, layout, and bring the manageable new energy assets had to propel our sleek digital world.

CRC Press Authors Speak Nihal Kularatna introduces his publication. Watch the video

Show description

Read or Download DC Power Supplies: Power Management and Surge Protection for Power Electronic Systems PDF

Similar circuits books

Precoding and Signal Shaping for Digital Transmission (Wiley - IEEE)

Offers a step by step description of the fundamentals of precoding and sign shaping. * Illustrates concept with examples from wireline and instant communications. * Discusses the function of precoding and sign shaping algorithms in communications criteria.

DC Power Supplies: Power Management and Surge Protection for Power Electronic Systems

As we more and more use digital units to direct our day-by-day lives, so grows our dependence on trustworthy power resources to energy them. simply because sleek digital platforms call for regular, effective, trustworthy DC voltage sources―often at a sub-1V level―commercial AC traces, batteries, and different universal assets not suffice.

Extra info for DC Power Supplies: Power Management and Surge Protection for Power Electronic Systems

Example text

3. O’Malley, K. 1994. Understanding linear regulator compensation. Electronic Design, August 22, 123–28. 4. Harrison, L. T. 2005. Current sources and voltage references. Burlington, MA: Newnes. indb 30 16/11/11 7:37 PM Review of Fundamentals 1-31 5. Kularatna, N. 2000. Modern component families and circuit block design. Burlington, MA: Newnes. 6. , M. Robles-Bruce, and M. Scherer. 2010, August. The 2010 power management—general purpose analog service. Databeans Incorporated. 7. , and V. Strik. 2008.

For applications with hot-swap requirements, LDO ICs can be used with special current limiting arrangements [26]. 17 Noise measurements for LDOs: (a) block diagram of a filter arrangement; (b) a typical circuit configuration. , and T. 5 V 330 uF OUTPUT TO THERMALLY RESPONDING RMS VOLTMETER. 1 V FULL SCALE = 100 UV RMS OF NOISE IN A 10 Hz TO 100 KHz BANDWIDTH. 18 Adjustable LDO circuits: (a) a simple circuit with two resistors to adjust the output; (b) use of an adjustable reference source for improving accuracy.

In a well-designed LDO-based power supply, this transient fluctuation needs to be minimized. In order to improve on the transient behavior, there are many improvements incorporated into LDO chips. One such example is the use of a fast transient loop in LDOs such as TPS75433 from Texas Instruments for low and high currents [9]. In the majority of LDOs and quasi-LDOs (where a composite NPN-PNP pair is used as the pass device), the pass device or the driver is a lateral PNP. Even though a PNP is better at providing a lower dropout voltage than an NPN [10], a lateral PNP is a low-frequency cutoff device with a poor transient response.

Download PDF sample

Rated 4.11 of 5 – based on 32 votes