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Design an uninterrupted power solution based on batteries and ATX power supply

$450-3750 MXN

Closed
Posted about 8 years ago

$450-3750 MXN

Paid on delivery
We need an uninterrupted power system design with the following features: The system can be powered by an ATX power supply or by a couple of batteries (one for service and another operating as a backup if the first is not present) Both batteries must be charged when connected and the ATX power supply si in operation The batteries are (both) LI-Po 2 cell, 10A y 7.4V Any of the batteries can be extracted or inserted in hot plug way (i.e. no needed to manual switch anything) Possible to meassure the voltage level of both batteries (individual) At first we only need the design not the implementation, you must provide components, datasheets and places for purchasing the components. Batteries details are in: [login to view URL] Se the block diagram attached
Project ID: 10355429

About the project

5 proposals
Remote project
Active 8 yrs ago

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5 freelancers are bidding on average $2,603 MXN for this job
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Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent high frequency transformers design, circuits design, Regulated power supplies design with universal input to DC output, SMPS, LED drivers, DC-DC, AC-DC converters design, PFC interleaved boost converter, Battery management system, Battery chargers, UPS design, sine wave Inverters, solar grid tie inverters, Solar battery chargers and street light systems design from few watts to KW range using Buck, Boost, and Buck –boost, Interleaved boost/buck, Fly back Push Pull and H-bridge inverters. I have work experience to design from few watts to KW range meeting all compliances like EMI/EMC and safety standards UL etc.
$4,166 MXN in 15 days
5.0 (33 reviews)
5.5
5.5
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We have great skills and expertise in the area of Embedded System. In Embedded System Solutions we provide services like embedded systems designing, prototyping & manufacturing, analog and digital electronic circuits designing & manufacturing, PCB designing, schematic designing, BOM management & sourcing, Embedded C/C++ coding of micro-controllers and producing finished consumer products. We are highly proficient in Altium, Proteus, Eagle, ORCAD, MPLAB, MultiSIM, PICC-CCS, Arduino, XBee, Raspberry Pi, GPS, GSM, RFID, BLE, DC Motors and the list goes on. IoT development is also one of our main solutions. In addition to this, we also provide research & development facilities, technical articles and research papers, CDR, CER, assignments, guidance and consultancy in field of electronics engineering and embedded systems. We are hoping to be hired by you for your job so that we bring your project to completion in least time with nominal price by using our skills and experience. If given a chance to do this task, we will work best and bring in the required output.
$3,500 MXN in 90 days
4.4 (1 review)
4.7
4.7
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Hello, my other partner is a mechatronics engineer from a top engineering university in Pakistan. we can help you in your project, please consider. Regards . Fariduddin Masud
$2,333 MXN in 5 days
5.0 (1 review)
2.9
2.9
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hello sir, i took a look at the block diagram, and understood what you need to do, so the price i gave is for the design and the components to prototype a tested circuit, so please let's discuss the project, and confirm price and deadline waiting to hear from you, also look at my portfolio, so you see my previous works in the area of electronic circuits design, regards, eng,gaber
$1,111 MXN in 30 days
5.0 (2 reviews)
2.3
2.3

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Flag of MEXICO
DF, Mexico
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Member since Feb 19, 2013

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