Review / Measurement: Charger module with TP4056 controller

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pilotdog68
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I have some i got off ebay a while ago but I put them aside as soon as I saw they didn’t have the right symbol. I just took them out for a quick test. Other than termination voltage, what else can I test for to see if they’re usable? Or would I be better off just getting some new ones from Richard?

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Current at beginning and at a couple points near the end.
And checking that current is zero when the done led lights up.

But still, I’ve seen someone report that their 4056 clone randomly started overcharging even tho it was originally fine.

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I’ve tested mine and both stop reliably around 4.195v.

Next question: with a different resistor, can these be run at 1.2amp?

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They should already be set to the max. How much current are you getting?

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It’s set for 1amp and that’s about what I’m getting. I just didn’t know if it was possible to “set” it for a little more like we do with drivers that use sense resistors

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1A is probably already the max. The original chip that HKJ tested did 850ma. What value set resistor is on your boards?

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on the datasheet it says the max rated is 1200ma (if I’m reading that right) but only offers configuration directions for 1000ma. I might see what a 1k resistor does…

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It would be nice to have a slightly different layout with room for a multi position switch and indicator diodes for a few other output currents.

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Rufusbduck wrote:
It would be nice to have a slightly different layout with room for a multi position switch and indicator diodes for a few other output currents.

I’m not making a new PCB (though I might in the future) but im currently piecing together a little charger that uses 2 of these boards in parallel. My hope is to have one at 800ma and one at 1200ma. I’ll have a switch to toggle if I’m just using one board or both. 800ma for 14500’s and 18350’s, 2amps for 18650’s.

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I am wondering if it will charge ML Battery Chemistry (3V)? or do I need to change some value? Thanks for help

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miniman wrote:
I am wondering if it will charge ML Battery Chemistry (3V)? or do I need to change some value? Thanks for help

The voltage is hard coded into the chip and cannot be changed.

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

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HKJ wrote:

miniman wrote:
I am wondering if it will charge ML Battery Chemistry (3V)? or do I need to change some value? Thanks for help

The voltage is hard coded into the chip and cannot be changed.

Thanks HKJ, is there any suggestion for ML2032 battery charger?

arekm
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Hm, almost no one connects NTC to these TP4056 boards (NTC placed in/on cells itself) to get thermal protection for free.

TP4056 datasheet:
TEMP :Temperature Sense Input Connecting TEMP pin to NTC thermistor’s output in
Lithium ion battery pack. If TEMP pin’s voltage is below 45% or above 80% of supply voltage VIN
for more than 0.15S, this means that battery’s temperature is too high or too low, charging is
suspended. The temperature sense function can be disabled by grounding the TEMP pin. “

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pilotdog68 wrote:
… but im currently piecing together a little charger that uses 2 of these boards in parallel. My hope is to have one at 800ma and one at 1200ma. I’ll have a switch to toggle if I’m just using one board or both. 800ma for 14500’s and 18350’s, 2amps for 18650’s.

Is that in-parallel dual engined charger working nicely?
I’ve sometimes wondered if these boards could be used in parallel without the risk of one of them banging some @#$% volts on the other… Ughh

Cheers

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4056 is also good, is not very accurate cut-off voltage

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pilotdog68 wrote:
on the datasheet it says the max rated is 1200ma (if I’m reading that right) but only offers configuration directions for 1000ma. I might see what a 1k resistor does…

Heatsink the chip if you do

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According to reviews, around 850mA of charging current were delivered with 1’2K resistors.
I bet you’ll (probably) get slightly above 1A with a 1K one.
Boards are @#$% cheap, I’m waiting for two of them (with protection) with have costed me $1’17, and I’ve seen even cheaper… Innocent
Slam a BIG heatsink over the chip, use a 500Ω resistor and… please report! 8-)

Cheers

The human mind, and its programming, is at the forefront of a particular battle of The Light vs evil dark forces. Nearly every human being on this beautiful planet “Earth” has some sort of negative mind programming in its mind. And you better take care of your mind programming, or someone else will in this wicked world.

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Barkuti wrote:
pilotdog68 wrote:
… but im currently piecing together a little charger that uses 2 of these boards in parallel. My hope is to have one at 800ma and one at 1200ma. I’ll have a switch to toggle if I’m just using one board or both. 800ma for 14500’s and 18350’s, 2amps for 18650’s.

Is that in-parallel dual engined charger working nicely?


Yes, this works fine. They most probably won’t terminate at the same time because of tolerances, but this is not a problem. Charging is finished when both boards report “finished”.
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Hello!

I've recently retrofitted a homemade powerbank I had done with a board from FastTech (SC-0176B), which uses a TP4056 as charging engine:

The thing now has an additional charging board, and it works neatly. However, it is for a friend and his phone PSU only supplies 1'2A at most, whereas this now pulls 1'7+A.

Has anyone tried to connect these boards to weak supplies? I presume he wouldn't want to see magical smoke coming out of his cellular charger… LOL! 

 

Cheers Party

The human mind, and its programming, is at the forefront of a particular battle of The Light vs evil dark forces. Nearly every human being on this beautiful planet “Earth” has some sort of negative mind programming in its mind. And you better take care of your mind programming, or someone else will in this wicked world.

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found what appears to be genuine tp4056, received items and they visually appear to be genuine

http://robotdyn.com/tp4056-li-ion-battery-charger-with-protection.html

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vex_zg wrote:
found what appears to be genuine tp4056, received items and they visually appear to be genuine

http://robotdyn.com/tp4056-li-ion-battery-charger-with-protection.html

nice find, have you got this eventually?
is it really genuine tp4056?

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What makes those (http://robotdyn.com/tp4056-li-ion-battery-charger-with-protection.html) “genuine”?

 

What you call “fake” modules only may have a potential issue which is too high charging voltage. However, at these prices…

… just measure their no load output voltage and discard any sinners, imho. 

 

Cheers Party 

The human mind, and its programming, is at the forefront of a particular battle of The Light vs evil dark forces. Nearly every human being on this beautiful planet “Earth” has some sort of negative mind programming in its mind. And you better take care of your mind programming, or someone else will in this wicked world.

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Barkuti wrote:

What makes those (http://robotdyn.com/tp4056-li-ion-battery-charger-with-protection.html) “genuine”?


 


What you call “fake” modules only may have a potential issue which is too high charging voltage. However, at these prices…



… just measure their no load output voltage and discard any sinners, imho. 


 


Cheers Party 

im not sure tbh
what i do know is mine (the tp4056 chip) are getting really hot while charging, you cant tuch it for more then 1 sec,
the chip itself is a mosfet with some other hard coded functions in to it,
i dont know but i think that a cheap mosfet would overhit more then a good mosfet.
other then that, yea they working good, how good? no ones know lol

im useing few of them on few differetn applications, few for 18650 chargers, one for my 10440 charger, one build in to my headlamp wich have 2 × 18650 inside.
so far they work well, i have a small heatsink on top of the tp4056 chip but it still get very hot,
the thing that worries me the most is if it will fail some day and will overcharge the batterys and then fire! lol

oh and BTW, all of my boards are showing about 4.5V output , no load… but still while charging they all cuting off at about 4.18V so im not sure how good this test is, i bet the chip need to have some resistance in order to activate its volt limit function

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T-boon wrote:
… oh and BTW, all of my boards are showing about 4.5V output , no load... but still while charging they all cuting off at about 4.18V so im not sure how good this test is, i bet the chip need to have some resistance in order to activate its volt limit function

That is weird. I said what I said because in a cheap flashlight with USB micro-B charging (gotten via GearBest, though) I once noticed a no-load maximum charging voltage of ≈4.46V, and got a full refund. Of course I already knew the no-load maximum voltage on these TP4057 charging powered torches was ≈4.2V. Got a few TP4057 chips and repaired the thing at a later date. Seems the quality control on these is iffy.

 

Cheers Party 

The human mind, and its programming, is at the forefront of a particular battle of The Light vs evil dark forces. Nearly every human being on this beautiful planet “Earth” has some sort of negative mind programming in its mind. And you better take care of your mind programming, or someone else will in this wicked world.

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The human mind, and its programming, is at the forefront of a particular battle of The Light vs evil dark forces. Nearly every human being on this beautiful planet “Earth” has some sort of negative mind programming in its mind. And you better take care of your mind programming, or someone else will in this wicked world.

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Are these little TP4506 circuits still the most compact design for usb charging a decade onwards? I’m looking to add usb C charging to a light and reckon I could just take one of these boards and wire a USB C port to it Looking at these with 6 pin connectors

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TP4056 boards were long ago fitted with type-C connectors, check this search Sunnysunsun (example1, example2example3…).

The human mind, and its programming, is at the forefront of a particular battle of The Light vs evil dark forces. Nearly every human being on this beautiful planet “Earth” has some sort of negative mind programming in its mind. And you better take care of your mind programming, or someone else will in this wicked world.

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I’m looking to put USB-C into the SP40, the little micro usb cavity looks big enough for a usb-c port but the space inside is very limited. See TomE’s photo’s https://budgetlightforum.com/comment/1716206#comment-1716206 . I need a very small 90 degree option

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