Power supply circuit design - USB, 18650, multiple voltage output
$250-750 AUD
货到付款
Required is a power supply & battery charging circuit design. Fabrication of the module is not required.
Subject to the specifications below, required for delivery is:
- circuit board BOM (incl manufacturer part numbers)
- design files (preferably EasyEDA, but Kicad, Eagle or Altium OK)
- detailed description of circuit operation
Specifications:
- usb-c in
- 3 voltage rails (plus gnd) out: 3.3v, 5v, 12v.
- combined rail supply 1.5A+
- SMD parts
- <= US$3.50 components at volume of 1,000 pcs
- <= 20mm*40mm.
- 0.5-1A charging with under/over protection & low voltage cutoff.
- When USB-C wall supply is plugged in, operates off wall supply only, when wall supply disconnected switches to battery seamlessly.
- low heat
- if possible... remaining battery level reporting.
项目ID： #17738327
关于项目
有16名威客正在参与此工作的竞标，均价$594/小时
Dear Sir, I am an highly skilled board designer who has over 17 years experience on complex, multi layers PCB design. I can provide you with service from schematic entry to PCB Layout.I can also provide the prototyp 更多
Hi, I have developed before power bank with 18650 batteries for 5V output. I can design your board and prepare 2 prototypes and send to you. All the BEST, Ali SERBETCI
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Hello, I am Anthony from Sri lanka. We are a hardware designing & prototyping company. Why you should hire me ? - I have seven years of experience in the field and have developed many battery monitorin 更多
Sir, I am an experienced electronics engineer in a leading electronics company. I developed so many Embedded boards, FPGA boards, SoC boards, Microcontroller boards using ORCAD Cadence and written codes in C, VHD 更多
Master in Engineering, Electrical and Electronic Engineer, who is dynamic, reliable, resourceful, committed and organized with enthusiastic approach to succeed with a pleasant attitude. Possessing excellent analytical 更多
Hi, I am kahan. I am electronic engineer and have much experienced in circuit designing and debugging. Waiting for further discussion. Thank you.
Hello Hope you are doing great. I am an Electrical Engineer and have vast experience in making power electronics circuits. If you are interested then we can discuss details over chat. Regards
Hi, I can design power supply circuit for you professionally at affordable price. Revisions till 100% satisfaction. I have positive feedback, reviews and 100% completion rate from my previous clients because of the g 更多
I have studied mechatronics engineering so I can design circuits very easily. Moreover I'll complete work in time and also available 24/7.
I work in Altium and have experience (full-time job) in designing digital, analog electronics, power supplies (including USB power distribution and USC C compliant power banks). I would keep you up-to-date during wh 更多
