design an AC/DC power supply

We need to design an isolated switched mode power supply that meet the following specifications:


Power: 600W

Voltage : 5VDC

Ripple voltage : <1%

current: 120A


Voltage : 85~265AC

Frequency: 45~65Hz



Conversion efficiency >98%

20 ms minimum hold-up time

EMI/EMC, which satisfies EN55022, Class B

MTBF > 50,000h @ 40°C


Over voltage protection

Under voltage protection

Short circuit protection

Overtemperature shutdown

Fan failure monitoring and detection


Aluminum case

L: <10cm




- Calculation and components selection details.

- Proof of working design.

- Altium designer Schematics files.

- Altium designer Routed PCB layout files.

- Solidworks 3D rendering files.

- Firmware source and binary if any programmable components are used.

- BOM with 3 sources including prices.

Note : Prototyping and manufacturing are not requested in this bid but they will be requested from the designing party in separated bids.

Habilidades: Electrónica, Diseño PCB, Solidworks

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Información del empleador:
( 0 comentarios ) shenzhen, China

Nº del proyecto: #12165484

18 freelancers están ofertando el promedio de $1475 para este trabajo


hi sir i am an expert electronics engineer I can do it for you Please have a look at my profile I assure you quality work and on time delivery I am waiting for your reply to start Regards

$6000 USD en 15 días
(168 comentarios)

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, multi-chan Más

$2222 USD en 60 días
(48 comentarios)

Hello, have a great day. we are running a setup for developing Electronic devices. We will ship you fully working Hardware. Please feel free to contact us. Best Regards, Shahbaz.

$7000 USD en 30 días
(37 comentarios)

Hello, I am an Electronics and Embedded system developer. I have experience in Digital and Analog electronic design and Matlab. Kindly check my profile. Reply me back and will discuss the details further. Thankyou

$6500 USD en 45 días
(40 comentarios)

Hi sir I gone through your requirements of the project Myself I have 5 year experience of pcb design and hardware design field I have done many Projects I have many Cad Tools If you need more information about me pl Más

$277 USD en 10 días
(28 comentarios)

Hi! Im an electrical and electronic masters graduate of UWE. I have the experience of programming in C/C++/Assembly/Arduino/PIC C/MikroC/MATLAB/AutoCAD for more than three years. I also have the knowledge and experien Más

$555 USD en 5 días
(12 comentarios)

Hello, I am interested to work with you on this project. I have already made many power supplies matching this requirement. So I can do this task. Let me know your interest about working with me. Thanks. Chirag

$30 USD en 2 días
(6 comentarios)

Hi We are interested in making your design a reality; we are thrilled and excited to tackle challenges like yours. With our team of experience designers, manufacturing experts and engineers, your project is a success Más

$777 USD en 20 días
(2 comentarios)

i can give u realistic design , give me a chance and watch...if u dont like , no need to take it . just one chance need . new user. i want to do your work , if u give me a chance .i can give you totally new concept a Más

$30 USD en 1 día
(4 comentarios)

Hello , My name is Carlos. I can design your project in 30 days. i'll give you: 1.- Calculation and components selection details. 2.- Proof of working design. 3.- schematic of the design in ISIS 4.- Layout of Más

$450 USD en 30 días
(1 comentario)

Hi! I am an analog design engineer and have good experience designing and simulating circuits/power supply boards. I have all the access to the design tools. Contact me with further details. Thanks.

$1000 USD en 5 días
(3 comentarios)

Hi, Basically I'm an electronic engineer. Really I can help you to do this work. Because I have industrial level experience in power supply design. Come to chat for more discussion. Thank you

$30 USD en 1 día
(1 comentario)
$555 USD en 30 días
(0 comentarios)

Hi, Avarona is a company dedicated to providing engineering, web and software solutions. We rexpcently joined Freelancer. We have vast experience in engineering design including switched mode power supplies. Our te Más

$900 USD en 7 días
(0 comentarios)

A proposal has not yet been provided

$111 USD en 5 días
(0 comentarios)

I have expertise on Arduino Uno, Atmega 8, 16, PIC, 8051 Microcontrollers, Simulation on Matlab, Simulink is available with me.I can assure you 100% about the service and in time on your budget.Thanks.

$25 USD en 1 día
(0 comentarios)

hello, I haven't experience in the electrical side. but if you need me in the mechanical side, solidworks design and render, I have good experience in that especially in the electrical enclosures and sheet metal work. Más

$55 USD en 3 días
(0 comentarios)

I am an industrial engineer, I have experience in similar jobs and I would love to help you and do an excellent job.

$25 USD en 10 días
(0 comentarios)