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.

Навички: Електроніка, Розводка друкованої плати, Solidworks

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Про роботодавця:
( 0 відгуки(-ів) ) shenzhen, China

ID Проекту: #12165484

18 фрілансерів(-и) у середньому готові виконати цю роботу за $1475


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 за 15 дні(-в)
(168 відгуків(и))

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 Більше

$2222 USD за 60 дні(-в)
(48 відгуків(и))

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 за 30 дні(-в)
(37 відгуків(и))

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 за 45 дні(-в)
(40 відгуків(и))

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 Більше

$277 USD за 10 дні(-в)
(28 відгуків(и))

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 Більше

$555 USD за 5 дні(-в)
(12 відгуків(и))

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 за 2 дні(-в)
(6 відгуків(и))

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 Більше

$777 USD за 20 дні(-в)
(2 відгуків(и))

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 Більше

$30 USD за 1 день
(4 відгуків(и))

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 Більше

$450 USD за 30 дні(-в)
(1 відгук)

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 за 5 дні(-в)
(3 відгуків(и))

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 за 1 день
(1 відгук)
$555 USD за 30 дні(-в)
(0 відгуків(и))

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 Більше

$900 USD за 7 дні(-в)
(0 відгуків(и))

A proposal has not yet been provided

$111 USD за 5 дні(-в)
(0 відгуків(и))

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 за 1 день
(0 відгуків(и))

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. Більше

$55 USD за 3 дні(-в)
(0 відгуків(и))

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 за 10 дні(-в)
(0 відгуків(и))