Power Supply Design

The PSU Designs engineering team, is recognised in the industry by customers and suppliers as a centre of excellence for custom power supply design and development in the UK.

PSU Designs Ltd has a full time team of senior power supply design engineers backed up by additional full time engineering resource carrying out PCB layout, mechanical design, support bench testing, EMC and other compliance work.

We have substantial knowledge and expertise in designing and formally approving power supply units to meet worldwide safety regulations and EMC standards including standards applicable to specific industry sectors.

Our power supply designers work from a customer’s specification or wish list and working through the various design stages, will usually produce a production standard power supply unit within 8-12 weeks.

PSU Designs has a wealth of engineering and testing a proving equipment including;-

  • EMC chambers
  • Surge and burst testing
  • ESD testing
  • Solid works mechanical design,
  • Proteus PCB layout design
  • Numerous test benches with isolated variable mains
  • Electronic and passive load boxes
  • ATE station for writing production compatible test programmes
  • Hi-pot testing
  • Thermal chamber
  • Environmental chamber
  • Flir thermal imaging camera

Our engineers are very experienced at producing power supply designs that meet customer requirements, ensuring they are compatible with the company’s highly automated manufacturing processes and compliant with world-wide standards as required such as UL, CSA, TUV and others.

It is quite normal for our engineering department to work with UL and other agencies to gain required approvals on the power supply on behalf of our customers.

Engineering excellence 100% designed in the UK at the West Midlands facility.

Design Process

At the onset of the design procedure, PSU will:

  • Allocate resource
  • Produce paperwork design
  • Produce prototype
  • Test and modify prototype to meet specification
  • Produce customer sample
  • Verify performance against specification
  • Produce technical construction file
  • Submit samples to customer for evaluation
  • Customer approves samples
  • If required, submit samples and documentation to external approvals agencies
  • Receive formal agency approval
  • Sign off for pre – production


PSU Designs Ltd is a substantial custom designer and manufacturer of switch-mode power supplies and battery chargers.

PSU Designs Ltd is the first choice of many of the world’s leading manufacturers in several industry sectors.


Enquiry Form

Website Enquiry

Contact Us

6 & 7 Bloomfield Park
Bloomfield Road
West Midlands

t: 0121 557 6499

e: sales@psudesigns.co.uk

The Complete PSU Solution

UK Design and Manufacturing