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Circuit and PCB design for a rechargeable battery pack
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Engineering & Manufacturing > Electrical

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  • Posted: Mon, Feb 11, 2013
  • Time Left: Closed
  • Location: United Kingdom
  • Client prefers freelancers from:
    United Kingdom

    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: $5,000 - $10,000
  • Fixed Price Job
  • Elance Escrow Protection
  • W9 Not Required
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A new type of rechargeable battery pack is being developed, however the current demonstration circuits are not suitable for mass manufacturing. An engineer consultant is needed to redesign the circuit, respecify all components, design a PCB layout, and build a small number of working examples.

More specifically, the engineer consultant will be expected to:

1. Redesign an electrical circuit using a detailed technical specification that will be provided. The core functionality is very basic and briefly described below:
a. A battery charger circuit consisting of a DC-DC power supply with an output voltage that is regulated in accordance with a pre-set target output voltage, a pre-set minimum input voltage, and a pre-set maximum output current.
b. A battery discharge protector that isolates the battery from further discharge if a pre-set terminal voltage is reached, and reconnects the battery once a (higher) pre-set terminal voltage is reached.
c. Two indicator LEDs to inform the u...

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Job ID: 37737747
 
Proposals
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  • Submit Date (Latest)

 United States  |  
Experienced Power Electronics Engineer
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Proposal SEALED

 Ukraine
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Bid ID: 38016651  |  Submitted: Feb 18, 2013 12:06 ET 
Proposal SEALED

James W.      
James W.'s identity has been verified.  Learn More
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I'm an electrical engineer with a broad skillset from years of experience in military and commercial robotics. I've taken dozens of electronics...
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Bid ID: 37988425  |  Submitted: Feb 17, 2013 21:06 ET 
Proposal SEALED

 Romania  |  
I'm an engineer with experience in designing electronic circuits and electrical circuits of various types and powers. They can also make...
1
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 0.0   |  Private   |  0 Jobs
Bid ID: 37943640  |  Submitted: Feb 16, 2013 02:58 ET 
Proposal SEALED

 United States  |  
VREF innovations, LLC. is an engineering freelance design and consulting firm that is more focused on providing you quality, professional design...
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Bid ID: 37865261  |  Submitted: Feb 14, 2013 00:00 ET 
Proposal SEALED

 Pakistan  |  
Electrical Engineer with specialization in Electrical circuit and PCB designing. Expertise in Embedded system design mainly in Micro Controller...
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 0.0   |  Private   |  0 Jobs
Bid ID: 37850330  |  Submitted: Feb 13, 2013 14:11 ET 
Proposal SEALED

 China  |  
INVITED
We are a company of designers, engineers and manufacturing experts for turnkey services from concept to mass production ! Our expertises include...
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 Spain  |  
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1
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Bid ID: 37828544  |  Submitted: Feb 13, 2013 04:25 ET 
Proposal SEALED

 Pakistan  |  
Vibrant Technologies is Software and Electronics Engineering Firm Working for a long time providing best solutions in the field of Embedded...
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Bid ID: 37822356  |  Submitted: Feb 13, 2013 01:04 ET 
Proposal SEALED

 Canada  |  
TMSI Technologies Inc is young R & D company working on the market more than 3 years. We are involved into the development of electronic...
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Proposal SEALED

 United Kingdom  |  
INVITED
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Bid ID: 37784032  |  Submitted: Feb 12, 2013 04:20 ET 
Proposal SEALED

 Italy  |  
I worked for many years for the main italian defence company as electronic designer. The experiences gained in this period are relevant to military...
1
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 0.0   |  $0 Earnings   |  0 Jobs
Bid ID: 37782448  |  Submitted: Feb 12, 2013 03:21 ET 
Proposal SEALED
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