element14 Community
element14 Community
    Register Log In
  • Site
  • Search
  • Log In Register
  • Community Hub
    Community Hub
    • What's New on element14
    • Feedback and Support
    • Benefits of Membership
    • Personal Blogs
    • Members Area
    • Achievement Levels
  • Learn
    Learn
    • Ask an Expert
    • eBooks
    • element14 presents
    • Learning Center
    • Tech Spotlight
    • STEM Academy
    • Webinars, Training and Events
    • Learning Groups
  • Technologies
    Technologies
    • 3D Printing
    • FPGA
    • Industrial Automation
    • Internet of Things
    • Power & Energy
    • Sensors
    • Technology Groups
  • Challenges & Projects
    Challenges & Projects
    • Design Challenges
    • element14 presents Projects
    • Project14
    • Arduino Projects
    • Raspberry Pi Projects
    • Project Groups
  • Products
    Products
    • Arduino
    • Avnet Boards Community
    • Dev Tools
    • Manufacturers
    • Multicomp Pro
    • Product Groups
    • Raspberry Pi
    • RoadTests & Reviews
  • Store
    Store
    • Visit Your Store
    • Choose another store...
      • Europe
      •  Austria (German)
      •  Belgium (Dutch, French)
      •  Bulgaria (Bulgarian)
      •  Czech Republic (Czech)
      •  Denmark (Danish)
      •  Estonia (Estonian)
      •  Finland (Finnish)
      •  France (French)
      •  Germany (German)
      •  Hungary (Hungarian)
      •  Ireland
      •  Israel
      •  Italy (Italian)
      •  Latvia (Latvian)
      •  
      •  Lithuania (Lithuanian)
      •  Netherlands (Dutch)
      •  Norway (Norwegian)
      •  Poland (Polish)
      •  Portugal (Portuguese)
      •  Romania (Romanian)
      •  Russia (Russian)
      •  Slovakia (Slovak)
      •  Slovenia (Slovenian)
      •  Spain (Spanish)
      •  Sweden (Swedish)
      •  Switzerland(German, French)
      •  Turkey (Turkish)
      •  United Kingdom
      • Asia Pacific
      •  Australia
      •  China
      •  Hong Kong
      •  India
      •  Korea (Korean)
      •  Malaysia
      •  New Zealand
      •  Philippines
      •  Singapore
      •  Taiwan
      •  Thailand (Thai)
      • Americas
      •  Brazil (Portuguese)
      •  Canada
      •  Mexico (Spanish)
      •  United States
      Can't find the country/region you're looking for? Visit our export site or find a local distributor.
  • Translate
  • Profile
  • Settings
Test & Tools
  • Technologies
  • More
Test & Tools
Blog The Modular Bench Power Supply ++, Putting it all together, the bare bones
  • Blog
  • Forum
  • Documents
  • Files
  • Members
  • Mentions
  • Sub-Groups
  • Tags
  • More
  • Cancel
  • New
Join Test & Tools to participate - click to join for free!
  • Share
  • More
  • Cancel
Group Actions
  • Group RSS
  • More
  • Cancel
Engagement
  • Author Author: Robert Peter Oakes
  • Date Created: 4 Dec 2014 5:45 AM Date Created
  • Views 3495 views
  • Likes 3 likes
  • Comments 16 comments
  • bench
  • tutorials
  • modular
  • supply
  • power
Related
Recommended

The Modular Bench Power Supply ++, Putting it all together, the bare bones

Robert Peter Oakes
Robert Peter Oakes
4 Dec 2014

I will be putting together the video this week end to go with this schematic but I thought i would share this with you in the mean time

VCC can be as much as 40V (I was powering the test circuit on a breadboard with a bench PSU for now set to 30V, my psu max)

image

In the video I will be reviewing the behaviour of this circuit as well as Identifying a few pitfalls (Nothing serious and probably acceptable for a basic PSU but we do want to evaluate where we can improve on things

If you think you know the potential issues, please post and we will compare notes at the weekend image (There are two primary ones)

 

Here is the video that describes and goes through some basic tests of this circuit

You don't have permission to edit metadata of this video.
Edit media
x
image
Upload Preview
image

Enjoy, again, a little detailed so its is about an hour long

 

I will be adding notes etc in the next few days

  • Sign in to reply
Parents
  • Former Member
    Former Member over 9 years ago

    Hi

    I built this on a bread board seems very good need to add a meter to it

    what is the number of the Vishay four wire sense resistor that you used I cant find it I used a 1% .100ohm  5 watt sense resistor ,seems ok

    Garry

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
  • Robert Peter Oakes
    Robert Peter Oakes over 9 years ago in reply to Former Member

    What is important about the sense resistor is the ability to know its value and that it is stable

     

    a .1ohm 5W is perfect, you say it is a sense resistor, do you mean it is 4 terminal ? (Kelvin Connections)

     

    the ones I have are Visha Bulk Metal

    VPG - Foil Resistors - FPR 4-T220 T2211

    and

    VPG - Foil Resistors - FHR 4-3825 to 4618

     

    My power sense FPR is also 1% but I can measure it to better than that and as it is very stable it will remain accurate with the measured value

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
  • Former Member
    Former Member over 9 years ago in reply to Robert Peter Oakes

    I could not see the Vishay four terminal one  at farnell , I did not have the number at the time

    so I bought this one , MULTICOMP  MC14721  Through Hole Current Sense Resistor, MC Series, 0.1 ohm, 5 W, ± 1%, Axial Leaded, Wirewound

    it does the job

     

    garry

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
Comment
  • Former Member
    Former Member over 9 years ago in reply to Robert Peter Oakes

    I could not see the Vishay four terminal one  at farnell , I did not have the number at the time

    so I bought this one , MULTICOMP  MC14721  Through Hole Current Sense Resistor, MC Series, 0.1 ohm, 5 W, ± 1%, Axial Leaded, Wirewound

    it does the job

     

    garry

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
Children
No Data
element14 Community

element14 is the first online community specifically for engineers. Connect with your peers and get expert answers to your questions.

  • Members
  • Learn
  • Technologies
  • Challenges & Projects
  • Products
  • Store
  • About Us
  • Feedback & Support
  • FAQs
  • Terms of Use
  • Privacy Policy
  • Legal and Copyright Notices
  • Sitemap
  • Cookies

An Avnet Company © 2025 Premier Farnell Limited. All Rights Reserved.

Premier Farnell Ltd, registered in England and Wales (no 00876412), registered office: Farnell House, Forge Lane, Leeds LS12 2NE.

ICP 备案号 10220084.

Follow element14

  • X
  • Facebook
  • linkedin
  • YouTube