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Li Ion 4S2P аккумулятор своими руками АКБ 18650 с BMS DIY ebike

Li Ion 4S2P аккумулятор своими руками АКБ 18650 с BMS DIY ebike

Channel: Ant On

bms

USB

charger

li-ion

lipo

battery

tp4056

1S

2S

high current

PCB

circuit

homemade

DIY

DW01

type-C

converter

boost

electronics

learning

circuits

00:00:00

I have a problem with this type of

00:00:02

battery together with this charger

00:00:04

and first of all look how many modules

00:00:06

for power we have we have bms's Chargers

00:00:09

boost converters and so on so which one

00:00:12

to use

00:00:13

but these two together I use them all

00:00:16

the time for my homemade project and

00:00:18

they work great together providing

00:00:20

steady voltage and protection and I

00:00:23

already have an awesome project on how

00:00:24

to make such a charger with a boosted

00:00:26

output as well

00:00:28

and the link for that video is below

00:00:30

anyway the problem that I'm having is

00:00:32

the current output

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you see these batteries which are

00:00:36

Lithium-ion batteries of 4.2 volts they

00:00:39

could easily deliver more than 10 amps

00:00:41

of current

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but when I use it with a protection

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charger module like this one based on

00:00:46

the tp4056 the current output is limited

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at 2 amps which is not enough for a lot

00:00:51

of my projects

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and what if I want to use two batteries

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in series and still want to charge them

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using a USB connector that's another

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problem

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so in this video I want to study what

00:01:03

options we have to get a USB charger

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battery protection but also a decent

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current output at the same time

00:01:10

I will show you different modules bms's

00:01:13

Chargers and what not to do so guys

00:01:16

let's get started

00:01:32

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00:01:34

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00:01:36

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00:01:39

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00:01:41

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00:01:43

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00:01:46

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00:01:51

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00:01:54

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00:01:56

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00:01:57

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00:02:00

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00:02:07

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00:02:10

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00:02:11

your cool project with some awesome pcbs

00:02:15

what's up my friends welcome back

00:02:18

so why I like this charger

00:02:20

well for the same as you probably do it

00:02:23

is simple to use it has a USB connector

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and it doesn't require anything more

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because I don't want to use a separate

00:02:30

power adapter I don't want to use a

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power supply with a specific voltage

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connected I don't want any kind of

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battery connectors with different shapes

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and for sure I don't want to use several

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modules regulators and boost converters

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connected to the battery when I make a

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homemade project

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but the problem with this module is the

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current output what if my project

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requires more than only 2 amps of

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current

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well let's start with one lithium-ion

00:02:55

battery with a maximum voltage of 4.2

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volts and a minimum voltage of 3 volts

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a charger such as this one will make

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sure that these values won't be

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overpassed

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so when charging it will stop the

00:03:08

process when 4.2 volts is reached

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and when we apply a load it will cut off

00:03:12

the output when the voltage is below 3

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volts

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but this also has a current protection

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and a maximum output of only 2 amps

00:03:21

so you might wonder why not connect the

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load directly to the battery and not at

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the output pins of the module in that

00:03:28

way we would have no current limit right

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well yes but we also lose the under

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voltage protection because the charging

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module can control the output voltage

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anymore

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so basically the battery will fully

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discharge and that for sure will destroy

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the battery

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actually we could buy directly this

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other module which is kind of the same

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but without these two ICS so it has no

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current limit

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but using only the tp4056ic we would

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only have over voltage protection and

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that means that the battery will stop

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charging at 4.2 volts

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what we don't have under voltage

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protection anymore and that's very bad

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so that's a No-No

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so basically this is what I want a USB 5

00:04:13

volts input easy to use the tp4056 to

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charge the battery at 4.2 volts and then

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we need under voltage protection

00:04:22

and to get that also with a decent

00:04:24

current output we could use a dedicated

00:04:26

BMS

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we have different types of bms's and I

00:04:31

will make a full video about this topic

00:04:33

because I think it's very important and

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needed but that will be for a future

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video

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but basically one characteristic of any

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BMS is the amount of cells is designed

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for 1s 2s 3s and so on

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for the first example I want to use only

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one battery cell so we need a 1s BMS

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such as this one here

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this is made to work with output current

00:04:57

values up to 10 amps

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so basically what I want is the

00:05:01

combination between the tp-4056 and the

00:05:04

BMS of 10 amps

00:05:06

like that we have the over voltage and

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under voltage protection 10 amps current

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output and it could also be charged at 5

00:05:12

volts from any USB connector so exactly

00:05:15

what I want but I can find such a

00:05:18

product on the market so if you know

00:05:20

about one comment below

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but I've searched for module on

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AliExpress for example and one that was

00:05:26

a bit better was this one

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it has a USB type-c connector which is

00:05:30

used for both input and output

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but on the back you can also solder a

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USB type B connector for the output

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and the current value is of 3.1 amps

00:05:40

which is a bit better but still kind of

00:05:43

low compared with the maximum current

00:05:44

value of the battery

00:05:47

so this module is better but is not

00:05:49

exactly what I want

00:05:51

but it does have a better level

00:05:52

indicator with some LEDs a button to

00:05:55

turn on and off the output together with

00:05:57

the Boost converter for increasing the

00:05:59

voltage up to 5 volts so it will be a

00:06:01

great module if you don't need more than

00:06:03

3 amps of current

00:06:05

we also have this other module which

00:06:08

also works for charging and discharging

00:06:09

a Lithium-Ion battery but again the

00:06:12

maximum current is of 2.5 amps so it's

00:06:15

the same as before

00:06:17

or this other one which can only charge

00:06:19

the battery but it doesn't have

00:06:20

protection

00:06:22

so let's fix this charging module

00:06:25

this would be the schematic

00:06:28

the current protection is controlled by

00:06:29

this IC the dw01

00:06:33

and by looking at the data sheet we can

00:06:35

get a straightforward current limit

00:06:38

basically this IC will measure the

00:06:40

voltage drop at the Cs pin over the

00:06:42

sense resistor which usually is of 1K

00:06:45

and because this threshold is preset the

00:06:48

limit depends on the internal resistance

00:06:49

of the control mosfets which are these

00:06:52

two here and this control the flow of

00:06:54

current from the battery

00:06:56

so we need to select other mosfets than

00:06:58

the ones that the module is using

00:07:00

actually the one sbms before also has

00:07:04

the dw01 IC but it uses two bigger

00:07:07

mosfets

00:07:08

so we can use the same for our PCB

00:07:11

basically we get the tp-4056 and we add

00:07:14

the dw01 and we changed the mosfest to

00:07:17

withstand 10 amps

00:07:19

and I finally made this schematic

00:07:22

then I passed to PCB and this will be

00:07:25

the final design

00:07:26

but I haven't received the boards yet

00:07:28

but you could use this design if you

00:07:30

want

00:07:31

the links for the Gerber files are below

00:07:33

on electrobes.com

00:07:35

so I don't understand why I can't find

00:07:36

such a design online

00:07:38

it seems like such a good idea right

00:07:41

and just to make the test I connect the

00:07:43

tp-4056 with the USB input to the one

00:07:46

sbms like this

00:07:48

the battery is connected at the B plus

00:07:50

and minus pins and the load is connected

00:07:53

between the P plus pin and the C minus

00:07:55

pin and the charger is connected in

00:07:57

Peril with the load

00:07:59

like this we can charge the battery with

00:08:01

a 5V USB connector but also protect the

00:08:03

battery

00:08:05

actually some LiPO batteries already

00:08:07

have a BMS board connected to the input

00:08:09

as you can see with this battery

00:08:12

but the land cells don't have one that's

00:08:14

why we need to edit

00:08:17

so now the battery charges without

00:08:18

problems

00:08:20

and then it could output a lot more

00:08:22

current than only 2 amps so the problem

00:08:25

is solved

00:08:26

anyway finally what if you want to use a

00:08:29

2s pack 2s or more than that but you

00:08:32

still want to use a USB charger

00:08:34

first of all for that we need a balanced

00:08:36

BMS connected to the plus and minus but

00:08:39

also to the middle point between the

00:08:40

batteries

00:08:42

but now we can't use the USB charger

00:08:44

anymore because the maximum output

00:08:46

voltage is of only 4.2 volts and now we

00:08:49

need 8.4 volts 12.6 and so on

00:08:53

you could find these adapters with

00:08:54

exactly that voltage but I prefer the

00:08:57

USB connector 5 volts because it's very

00:08:59

common compatible and easy to use

00:09:03

so for that I found these modules

00:09:06

it has a different driver and also boost

00:09:08

converter to elevate the voltage to

00:09:10

exactly 8.4 volts

00:09:12

but because it doesn't have a balanced

00:09:13

protection we need to add the BMS at the

00:09:16

output

00:09:17

so the final connection would be

00:09:18

something like this

00:09:21

and this module comes for 2s 3s and even

00:09:24

4S batteries back

00:09:26

so it would be great to just have one

00:09:27

PCB with this converter together with

00:09:30

the BMS part so it would have an

00:09:32

all-in-one PCB one charger USB connector

00:09:35

and also protection with high current

00:09:36

output

00:09:38

so guys I hope that you now have a

00:09:40

better understanding of the battery

00:09:41

charging process protection and the

00:09:43

modules that we have

00:09:45

for me it seems such a good idea to have

00:09:47

both a USB charger and also High current

00:09:49

output on the same module right

00:09:52

in the future I'll also make a full

00:09:54

tutorial on bms's Boost converters types

00:09:57

that we have and want to use one or

00:09:59

another so stay tuned for that

00:10:01

check more information on electrobes.com

00:10:03

and consider giving me a like or comment

00:10:06

below thanks again and see you later

00:10:08

guys

00:10:10

hey guys so as you all know making this

00:10:12

kind of videos is not that easy for me

00:10:13

it requires a lot of time a lot of

00:10:15

machinery and also oscilloscopes power

00:10:17

supplies and so on and also a lot of

00:10:19

modules and thanks to your support on

00:10:21

patreon is it a lot easier for me to buy

00:10:23

those modules so thank you very much to

00:10:24

all my patrons and also to you guys for

00:10:26

commenting below for giving likes to my

00:10:28

videos and also sharing my videos to

00:10:30

help spread out this information so

00:10:32

thank you very much

Description:

High quality PCB prototypes: https://www.pcbway.com/ 9th anniversary: https://www.pcbway.com/activity/anniversary9sales.html Get PCB file: https://www.pcbway.com/project/shareproject/USB_Type_C_Li_Ion_Charger_with_10A_BMS_output_c3cca545.html 🔥I want a battery cell charger with USB connector easy to use but also to have an output of 10A, that's why I've made a module that combines the TP4056 with a 10A BMS at the output. 🔀LINKS ------------------------------------- Project: https://www.pcbway.com/project/shareproject/USB_Type_C_Li_Ion_Charger_with_10A_BMS_output_c3cca545.html My tools: https://electronoobs.com/eng_afiliate.php False/True T-Shirt: https://electronoobs-merch.creator-spring.com/listing/it-s-funny-because-is-true?product=389&variation=100029 🤝SUPPORT ------------------------------------- Join my Arduino Course (Spanish): https://electronoobs.io//shop/index.php/courses/curso-arduino-desde-cero-nivel-1/ ELECTRONOOBS.io: https://electronoobs.io Donate on PayPal: https://www.paypal.com/donate?hosted_button_id=6DNT4Z4GAHQ5J Help my projects on Patreon : https://www.patreon.com/ELECTRONOOBS my Q&A page: https://electronoobs.io/forum/index.php Facebook page: https://www.facebook.com/unsupportedbrowser Canal en Español: https://www.youtube.com/channel/UCL_QvUUeriC6q610RCXDlSQ 00:00 Intro 08:51 Thank You Like share and subscribe to motivate me. Thank you

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