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Desejo um controlador PWM que o usuário consiga regular a tensão de saída da placa através de dois botões + e -.

Deve ter também um botão de acionamento da corrente de saída.

O mais complicado nessa placa seria o controle de corrente a carga que seria conectada na placa pode consumir até 30A,

A placa será alimentada com baterias 18650 de 3,7v que a corrente dependendo da bateria utilizada pode ser entre 10A e 30A.

Segue imagem e algumas informações de uma placa similar que importamos atualmente.

Informações:

The NLPWM board is a variable voltage, all in one regulator(straight PWM) board where you actually select the output voltage(RMS) instead of just the duty cycle! It sports an on board 0.28", 3 digit, 7 segment display, on board fire/up/down switches and two N channel MOSFETs. Only 3 wires to the board!

Features and specs:

Lock/unlock

Input voltage = 2s-4s(Automatically detected)

Low voltage cutoff = LiOn + LiPo(user selectable)

Check unloaded voltage - Works like a standard voltmeter

Check loaded voltage - Keep an eye on battery sag + drop!

Output voltage selection increments = 0.1v

Output voltage min = 1v

Output voltage max = last loaded battery reading

Output voltage accuracy = 5%

Switching Frequency = 244hz

Dimensions = 19x83.5mm

Display Color = White(Blue and Red coming soon!)

Idle drain = 380uA

Recommended load current = 60A

NOTE: The board doesn't limit current or have any over current protection, so it should be added off the board. Be very careful working with high current!

If you're driving an inductive load, make sure to add a flyback diode, as the MOSFETs can be damaged.

Compétences : Génie Électrique, Electronique

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Concernant l'employeur :
( 0 commentaires ) Brazil

Nº du projet : #12686774

8 freelance font une offre moyenne de R$1721 pour ce travail

sagradoamicus

Hi Sir I am an expert electronics engineer with more than 8 years of experience in design and development of embedded systems I have read the details and would like to discuss more in detail Please have a look at my Plus

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seshupower

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 Plus

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SantoshKGD

Hi, We can design this using PIC/STM32/AVR microcontrollers, and PCB design using KICAD v4. The microcontroller will be connected to PC using USB and PC side a LABVIEW application will be used for Display and data Plus

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ExpertzWorld

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pablogsp

trabalho hoje criando soluções parecidas como a que vc precisa, hoje atendo de forma paralela a Renault e a nissan. esse meu parceiro me trás o problema e eu crio as soluções eletrônicas já interligando com softwares e Plus

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alateinfotech

Hi there, we are new to freelancer, We are expert in both hardware and software development in field of electronics, having 2+ years of experience in circuit designing/debugging, coding, MatLab and various micro-contr Plus

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rcsubtil

Olá, Tenho experiência em design de PCB e semestre passado fiz uma disciplina de fontes chaveadas na universidade. Pensei em rodar algumas simulações PSPICE para escolha dos transistores e depois para gerar o PWM Plus

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