Find Jobs
Hire Freelancers

Custom DC-DC Step-up Converter with Constant Current Output

$100-300 USD

Cancelled
Posted over 11 years ago

$100-300 USD

Paid on delivery
A small project that requires a custom DC to DC Step-Up Converter with a constant current output. Need the schematic drawn and PCB layout done. With the possibility of assembly for 4 pieces. This will power a LED light. Required Specifications: Voltage Input: 6v - 12.8v (From a 4-cell LiFePO4 Batteries) Voltage Output: 44 volts Constant Current Output: 900mA +/- 5% Efficiency: High as Possible, Over 90% required
Project ID: 4073394

About the project

22 proposals
Remote project
Active 11 yrs ago

Looking to make some money?

Benefits of bidding on Freelancer

Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
22 freelancers are bidding on average $254 USD for this job
User Avatar
hi, i can help. i will also develop the four prototypes.
$850 USD in 15 days
4.8 (76 reviews)
7.8
7.8
User Avatar
Hello, I can do this.
$145 USD in 5 days
4.8 (125 reviews)
6.7
6.7
User Avatar
Read Pm sir :)
$100 USD in 10 days
4.9 (46 reviews)
6.8
6.8
User Avatar
i can help you see portfolio
$500 USD in 5 days
4.9 (50 reviews)
6.5
6.5
User Avatar
Hi, I am very experienced in LED circuit design and can develop (schematic and PCB) the circuit to meet your specifications. Please, contact me and we will get it completed.
$250 USD in 3 days
4.9 (8 reviews)
6.2
6.2
User Avatar
Hi, I'm a lead PCB designer in a big international electronic designs verification company. I have a huge experience with power supply designs. Final deliverables? - sch and PCB design files - production pack (gerber files, BOM, pick and place,, etc) Please let me know if you want more about my past designs. Best Regards, Michal
$250 USD in 10 days
4.9 (32 reviews)
6.5
6.5
User Avatar
Hi, I have long experience in designing Power electronic systems and can do your project. Kindly check your Msg Box for details. Thank you. Regards, Tushar
$250 USD in 30 days
5.0 (14 reviews)
5.5
5.5
User Avatar
This is for Schematic,magnetics,.BOM and layout GERBER
$170 USD in 10 days
5.0 (11 reviews)
4.4
4.4
User Avatar
Hi we are a group of Electrical Engineers with the right skills in this field. We can help you out. Check pmb for proposal.
$150 USD in 6 days
4.9 (14 reviews)
4.1
4.1
User Avatar
Good day. Can do it fast.
$200 USD in 2 days
4.3 (2 reviews)
3.8
3.8
User Avatar
Hi,I can help u.
$100 USD in 7 days
4.1 (3 reviews)
2.4
2.4
User Avatar
I can help you.
$500 USD in 30 days
4.5 (3 reviews)
1.6
1.6
User Avatar
hello please check your PMB thanks
$100 USD in 10 days
0.0 (1 review)
0.0
0.0
User Avatar
I am an expert in Circuit design.
$100 USD in 3 days
0.0 (0 reviews)
0.0
0.0
User Avatar
This bid is for schematic, PCB layout, gerber files and 5 PCB samples (free shipping by Hongkong Post Air mail).
$199 USD in 21 days
0.0 (0 reviews)
0.0
0.0
User Avatar
Hello, I've done several LED supplies and I have solution for you. Check my PM. Regards
$350 USD in 7 days
0.0 (0 reviews)
3.6
3.6
User Avatar
please check out private message.
$275 USD in 15 days
3.6 (1 review)
0.0
0.0
User Avatar
Hi I can do this job. I've 8 yrs of embedded systems design experience. We have also designed power supplies for LED lighting systems.
$300 USD in 25 days
0.0 (0 reviews)
0.0
0.0
User Avatar
I can help you. I designed several Power supplies, using NXP, TI and PowerIntegrations PWM IC.
$300 USD in 10 days
0.0 (0 reviews)
0.0
0.0
User Avatar
Hi, I think I can help.
$250 USD in 10 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of UNITED STATES
Minneapolis, United States
0.0
0
Member since Dec 27, 2012

Client Verification

Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.