Battery Charger Component For Phones

已关闭 已发布的 Mar 21, 2015 货到付款
已关闭 货到付款

Create a prototype charging component for mobile phone chargers. Will improve battery life

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项目ID: #7344865

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11个方案 远程项目 活跃的Apr 27, 2015

有11名威客正在参与此工作的竞标,均价$4000/小时

seshupower

Hi, I am a post graduate power electronics engineer and having very good experience in product design and development. I am excellent in products design like DC-DC converter, Inverters and battery charger. I am excell 更多

$4444 USD 在30天内
(47条评论)
6.4
adipdutt

I have designed many smart charger based on battery chemistry, this are being used in the Railways,EV and electric Drones. a Senior architect of iPOD SOC design (2002-2004) I also designed some charging safety and lif 更多

$4444 USD 在30天内
(7条评论)
3.9
SC0UTMASTER

G'day, Lets chat... I think you have some misconceptiotns about battery charging circuits for phones.. ther eis some important infporation you are missing... I can help you understand those bits... PS, I'm an electron 更多

$3333 USD 在30天内
(1条评论)
3.4
rahulrao187

hi i have a good experience in designing tablet for different clients. i will provide the complete components details, along with schematic and also a prototype on a pcb. i will provide you a complete details ha 更多

$4444 USD 在15天内
(2条评论)
1.4
ahmadayaz

A proposal has not yet been provided

$4210 USD 在30天内
(0条评论)
0.0
RobertoDom

schematic + layout + bom. Hardware design expert, more than 20 years of experience. Thinking about your project, I have contemplated two possibilities: an addition to a normal charger (usb + charge pump + charger 更多

$3000 USD 在10天内
(0条评论)
0.0
kingkai

A proposal has not yet been provided

$5000 USD 在15天内
(1条评论)
0.0
Dharmitm

This is Immersa Design Solution with 8 years of experience in Hardware Board design with a great experience in TABLET, PHABLET, CAMERA designs and Security and Solutions. In all of our product we are using the Li-Io 更多

$4444 USD 在30天内
(0条评论)
0.0
sanjeevnarula56

HARDWARE: Transister (BC547) Resister Capacitor Regulator PCB Rectifier USB CONCLUSION: Arguably the most useful part of USB's power capabilities is the ability to charge batteries in portable devices, but 更多

$3684 USD 在25天内
(0条评论)
0.0