Author Topic: pls review my diagram  (Read 500 times)

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Offline hikineet21Topic starter

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  • Country: id
pls review my diagram
« on: July 03, 2024, 02:18:53 am »
i want to make emergency ups like this, is this the right way to do it or should i add something in here?
 

Offline hikineet21Topic starter

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  • Country: id
Re: pls review my diagram
« Reply #1 on: July 04, 2024, 05:02:21 am »
why no one help me :(
 

Offline ledtester

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Re: pls review my diagram
« Reply #2 on: July 04, 2024, 05:39:53 am »
Generally you want the DC supply to keep the battery pack charged.

For example, have a look at this design idea:

DIY - 12V Mini UPS -- Sorin - DIY Electrical Nerd
https://youtu.be/IlEnEn7ptmc

Schematic available here:


It uses a BMS that automatically starts supplying power from the batteries when the charging power supply is removed. The diagram looks like this:

Code: [Select]
              ┌───────┐       
              │       │       
              │Li-ion │       
              │       │       
              └───┬───┘       
                  │           
┌───────┐     ┌───┴───┐       
│       │     │       │       
│  8.4V ├──┬──┤  BMS  │       
│       │  │  │       │       
└───────┘  │  └───────┘       
           │                 
           │                 
           │  ┌───────┐       
           │  │       │       
           └──┤ DC/DC ├────OUT 12V
              │       │       
              └───────┘       
« Last Edit: July 04, 2024, 05:44:40 am by ledtester »
 


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