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Re: Achieving 98% efficiency in a boost converter

From Winfield Hill <hill@rowland.harvard.edu>
Newsgroups sci.electronics.design
Subject Re: Achieving 98% efficiency in a boost converter
Date 2016-11-11 02:08 -0800
Organization Rowland Institute
Message-ID <o045au01a69@drn.newsguy.com> (permalink)
References <nvvrni02lg2@drn.newsguy.com>

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Winfield Hill wrote...
>
> Anybody care to speculate about the most important aspects
> to consider when trying to achieve 98% efficiency in a
> low-power (20mW) boost converter?  Most available step-up
> converter circuits seem to perform in the 85 to 90% region.
>
> I'm finishing a PCB "test bed" layout, which allows jumper-
> selection of different inductors, synchronous switches, and
> adjustable controller parameters.  I'm hoping not to forget
> something important before sending it off to the PCB house.
> Just for fun I thought I'd make it in the form of an Arduino
> shield; giving an option for the processor to control the
> parameters and take measurements.

 Here's my draft schematic and PCB layout.
 https://www.dropbox.com/sh/aj1tlto0fa6w6ty/AADJ9BWmCQE_ed7NHp60PgMja?dl=0


-- 
 Thanks,
    - Win

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Thread

Achieving 98% efficiency in a boost converter Winfield Hill <hill@rowland.harvard.edu> - 2016-11-09 11:00 -0800
  Re: Achieving 98% efficiency in a boost converter sea moss <danluster81@gmail.com> - 2016-11-09 20:12 -0800
  Re: Achieving 98% efficiency in a boost converter "Tim Williams" <tiwill@seventransistorlabs.com> - 2016-11-09 22:27 -0600
    Re: Achieving 98% efficiency in a boost converter bill.sloman@ieee.org - 2016-11-10 04:07 -0800
  Re: Achieving 98% efficiency in a boost converter Winfield Hill <hill@rowland.harvard.edu> - 2016-11-11 02:08 -0800
  Re: Achieving 98% efficiency in a boost converter dagmargoodboat@yahoo.com - 2016-11-11 13:44 -0800
    Re: Achieving 98% efficiency in a boost converter, inducement Winfield Hill <hill@rowland.harvard.edu> - 2016-11-11 19:05 -0800
      Re: Achieving 98% efficiency in a boost converter, datasheets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-12 04:06 -0800
        Re: Achieving 98% efficiency in a boost converter, datasheets dagmargoodboat@yahoo.com - 2016-11-12 05:40 -0800
          Re: Achieving 98% efficiency in a boost converter, datasheets dagmargoodboat@yahoo.com - 2016-11-12 05:54 -0800
          Re: Achieving 98% efficiency in a boost converter, datasheets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-12 06:33 -0800
            Re: Achieving 98% efficiency in a boost converter, datasheets Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2016-11-12 07:58 -0700
              Re: Achieving 98% efficiency in a boost converter, datasheets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-15 05:29 -0800
            Re: Achieving 98% efficiency in a boost converter, datasheets bill.sloman@ieee.org - 2016-11-12 20:08 -0800
              Re: Achieving 98% efficiency in a boost converter, datasheets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-13 18:29 -0800
          Re: Achieving 98% efficiency in a boost converter, datasheets Clifford Heath <no.spam@please.net> - 2016-11-13 09:08 +1100
            Re: Achieving 98% efficiency in a boost converter, datasheets dagmargoodboat@yahoo.com - 2016-11-12 16:48 -0800
              Re: Achieving 98% efficiency in a boost converter, datasheets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-16 18:00 -0800
                Re: Achieving 98% efficiency in a boost converter, datasheets bill.sloman@ieee.org - 2016-11-17 18:41 -0800
                Re: Achieving 98% efficiency in a boost converter, datasheets dagmargoodboat@yahoo.com - 2016-11-18 09:37 -0800
        Re: Achieving 98% efficiency in a boost converter, datasheets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-15 05:05 -0800
          Re: Achieving 98% efficiency in a boost converter, datasheets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-18 09:13 -0800

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