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Switching AC/DC Design
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Engineering & Manufacturing > Electrical

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  • Posted: Thu, Jan 05, 2012
  • Time Left: Closed
  • Location: Anywhere
  • Client prefers freelancers from:
    Anywhere

    You are still able to submit a proposal for this job.

    The client prefers freelancers from
    a different location.

    You're still able to submit a proposal for this job, regardless of your location.
  • Start: Immediately
  • Budget: Less than $500
  • Fixed Price Job
  • Elance Escrow Protection
  • U.S. freelancers must have W9
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We need a fully specified switching AC/DC design that meets the following requirements:
1) Output 1: At least 500mA at 5V
2) Output 2: At least 250mA at 3.3V (can be stepped down from 5V source)
3) Input: 120V AC as would be found from a U.S. NEMA-5-15 wall socket
4) Costs <$2 per unit at volume (ideally around $1)
5) Meets energy star requirements
6) Meets UL / CE requirements
7) Has an extremely small footprint on the order of the the Apple iPhone USB charger:   [obscured]  /iPhone-Adapter-Charger-Connector-cable/dp/B003ZA4KLW/ref=sr_1_2?s=electronics&ie=UTF8&qid=1325756866&sr=1-2

The desired output we're looking for is:
- A detailed schematic that includes part numbers and any relevant part specifications (e.g. resistance, capacitance, and part footprint)
- PCB123 file with the design
- General board layout - does not need to be optimized for area

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Job ID: 27909755
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