Adjustable power supply / driver for the CoB LED array

Adjustable power supply / driver for the CoB LED array


- light source: BXRC-40E10K0-C-7X,or CLU058-1825C4.

(Alternative: BXRC-40E10K0-B-7X, BXRC-40E10K0-D-7X)

- power source / driver input: battery, 12 (or 16) pc of li-ion 18650 cells

- brightness adjustable from zero up to the highest possible value (0 -> 120W -> max ??)

- at max power driver must work for a few minutes, from time to time

- working time between charging up to an hour

- driver must have an emergency reaction to prevent overheating of array

Looking for someone who can:

- create a specification

- Design the circuit and PCB

- build and test the prototype

Please let me know about your previous experience in the design of an LED driver, DC-DC converters, and knowledge about lithium batteries (charging / discharging control).

The final budget will be agreed upon after specifying the requirements, feel free to ask more details.

Please provide a preliminary description of the (simplified) functionality and estimate its cost

I have some previous experience with this kind of light. The purpose of this project is to develop a new, third prototype, using the newly introduced CoB arrays on the market.

Færdigheder: Kredsløbs Design, Elektrisk Ingeniørarbejde, Elektronik, PCB Layout

Se mere: constant current led driver circuit, 12v led driver circuit diagram, high power led driver circuit, constant voltage led driver, ac led driver, 3w led driver circuit diagram, 1 watt led driver circuit diagram, led driver circuit diagram, led driver power supply transformer, led mr16 power supply, led switched mode power supply, gu10 led power supply, gu10 led power supply design, power supply led, power supply led lighting

Om arbejdsgiveren:
( 0 bedømmelser ) Tallinn, Estonia

Projekt-ID: #15153401

25 freelancers are bidding on average $594 for this job


Dear Sir, If you are looking for an highly skilled hardware engineer, I believe that I am the one who you're looking for. I am also an experienced PCB designer who has over 16 years design experience on complex PCB Mere

$555 USD in 10 dage
(111 bedømmelser)

Hi I am an expert electronics engineer with more than 8 years of experience in this field. Please share the further details of main power input , battery support etc Relevant Skills and Experience I have completed mor Mere

$500 USD in 10 dage
(200 bedømmelser)

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 welding power supplies design, high frequency transformers desi Mere

$888 USD in 30 dage
(55 bedømmelser)

Hi,Client. I have 13+ years experience in circuit, PCB design, manufacture and assemble, firmware and mobile App(android and iOS). I had developed many products ago using various microcontroller including STM32 seria Mere

$1500 USD in 10 dage
(32 bedømmelser)

Hi, We have develop few Const Current LEd drivers before, we have also developed 5 Li -Ion battery management systems and have lot of experience with power electronics. Relevant Skills and Experience We have 3 Softwar Mere

$555 USD in 10 dage
(30 bedømmelser)

Hi, I have experience in electronics development. I think your idea is to connect Li-Ion batteries in serial to get 68.1 V. This require balancing charging circuit. Relevant Skills and Experience Electronics Proposed Mere

$606 USD in 10 dage
(11 bedømmelser)

Hello, To charge 12-16pc of 3400mAh battery fast you will need a charging IC for every 2 battery's The Led that you have will dissipate a lot of heat so a cooling area has to be calculted Relevant Skills and Experie Mere

$1000 USD in 10 dage
(22 bedømmelser)

Hello, This is Muntasir, please find the PDF link here for the proposal of the project. Thanks link - [url removed, login to view] Relevant Skills and Experience Elect Mere

$555 USD in 10 dage
(8 bedømmelser)

Your Power 9800mAh-3.7V-Rechargeable Li-ion Battery-COB White LED-36.3v-4.2A(max)-use A6211-const current-3A-PWM-Dimmable LED Driver driven by Arduino UNO-PTH PCB-2layer-Prototype Making & Testing. Relevant Skills and Mere

$600 USD in 10 dage
(5 bedømmelser)

I could make you parts list and estimate of design time to make a prototype, for the bid price Stay tuned, I'm still working on this proposal.

$333 USD in 3 dage
(1 bedømmelse)

hi sir, we are team called TURKTRONICS, we have done projects on battery managment systems, developed charging and battery management units based on LTC6804 Chips for 18650 rechargeable lipo cells. Relevant Skills an Mere

$750 USD in 10 dage
(21 bedømmelser)

i have designed this kind of project for 400W and KNX system also for 0 to 10V dimmable. please chat with me Relevant Skills and Experience Power Electronics Proposed Milestones $277 USD - one time

$277 USD in 10 dage
(6 bedømmelser)

Hello. I worked with led drivers, the main its no overcurrent, overvoltage and overheating. For DC-DC it must works on high fequencyes. Li-Po have limited current discharge and min voltage per cell Relevant Skills and Mere

$500 USD in 10 dage
(6 bedømmelser)

I suggest:Integrated boost converter for reduce batteries and price,Independent adjustable constant current driver for light intensity,Analog temperature contrl for reduce [url removed, login to view] cost: 50$apx Relevant Skills Mere

$300 USD in 10 dage
(7 bedømmelser)

My Experiences are as following: - Matlab, LabVIEW - Wireless, Bluetooth - Microcontroller Arduino, PIC micro controller. Automega. - PCB Design Protel, Proteous - Simulator MultiSIM, EWB, Proteous

$555 USD in 10 dage
(1 bedømmelse)

Hi I would love to do your task. If you hire me, i won't let you down. I can provide you all these things with unlimited revisions till the satisfactorily completion of [url removed, login to view] for your message .Thank you

$550 USD in 12 dage
(1 bedømmelse)

A proposal has not yet been provided

$611 USD in 30 dage
(0 bedømmelser)

Hello I'm an engineer that has 7 years of experience in this field and I would love to work on your project. I designed and prototyped boards before. I hope you will review my offer. Relevant Skills and Experience PCB Mere

$522 USD in 10 dage
(0 bedømmelser)

A proposal has not yet been provided

$555 USD in 250 dage
(0 bedømmelser)

Hi How are you As i am new here but working on online plate forms from the last 7 years I worked alot related to your work Thanks Relevant Skills and Experience work Proposed Milestones $250 USD - full

$250 USD in 10 dage
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