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Lithium-ion battery charger and power controller
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Engineering & Manufacturing > Electrical

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Description
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Feb 6, 2013
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Job Description

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  • Posted: Sat, Feb 02, 2013
  • 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: $1,000 - $5,000
  • Fixed Price Job
  • Elance Escrow Protection
  • U.S. freelancers must have W9
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We are looking for someone to design, layout, prototype, and test a lithium-ion battery charger and power controller. The circuit will have several sections: 1) 6-24V step up to 18-24V (LTC1871 or equiv), 2) 5amp battery charger (LTC4012 or equiv), 3) battery charge gauge (BQ34Z100 or equiv), 4) on-off controller (LTC2954-2 or equiv), 5) step-down converter to 5 or 12V, 6) digital i/o to LED driver. Want completion under 30 days.

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Job ID: 37461276
Proposals
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