Questions tagged [tp4056]

For questions about the lithium ion battery charger integrated circuit.

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Charging two 18650 batteries separately but using them in parallel in one circuit

I want to build an external charger for 18650 batteries. I want to use the TP4056 module in order to do that. I just want to charge one single battery with that. So this charger will have a single ...
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29 views

TP4056 STDBY or CHARGE COMPLETED PIN PROBLEM

I have charger circuit TP4056 based. My battery capacitY is 1100mAh(LIPO). Charging current is 580mA according to datasheet that has R9. While I am charging the battery, i read 0V from BAT_CHG pin. ...
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TP4056 circuit - have I got this right?

I've designed and built this circuit which seems to work, but this isn't my day job so if anyone's able to take a look at it and let me know if you can see any flaws or potential improvements I'd be ...
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1 answer
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Using TP4056 to charge a battery with an NTC

I'm hoping its not a duplicate question but I currently have a TP4056 and the following lipo battery: Pijuice zero 1000 mAh battery. I'm fairly new to electronics and was wondering in this case what ...
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TP4056 DW01A Problem

I have TP4056 with protection circuit. In charging, Everything is OK. OC : VDD - VBAT OD : VDD - VBAT While the battery is charging, the circuit continues to work on the battery when the charging ...
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TP4056 Output Voltage Problem

I have charger circuit TP4056 based. My problem: Output voltage of TP4056 is very variable. Input voltage of TP4056 is about 5.4VDC from DC power supply. Output voltage is between 4.0V and 5.4. I ...
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2 answers
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Can I charge a 4000 mAh Li-po battery with a single TP4056 module?

I bought a single 4000 mAh lithium-polymer battery and connected a step up converter and TP4056 module. I am providing a circuit image; the only difference between the image and the actual circuit is ...
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67 views

How do I recharge five 18650 cells in parallel?

I have a 5P1S configuration using 18650 cells, embedded in an LED project. I have installed a TP4056 to charge 5 cells in parallel. Now I am realising the TP4056 is for single cell use. So I don't ...
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1 answer
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Limit Charging Current of a 3.7 V, 300 mAh Lipo Battery

My Lipo battery is 3.7 V, 300 mAh and the charging current normally is 1C (300 mA). I am using a charging module TP4056 rated at 5 V and charging current is 1 A. This is obviously more than 1C. My ...
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1 answer
54 views

How to charge two series 3.7V li-on batteries with TP4056 Charging Module

I use two 3.7V Li-on batteries in series for Arduino Nano. To charge them, I use a TP4056 Type-C charging module. But it just charges one of the batteries. If I use two TP4056 charging modules and ...
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Tp4056 lipo Charge module

This is my first post and I am fairly new to the DIY small electrical stuff. I am trying to power some 12 V strip LED lights using 2x 18650 batteries wired in parallel and a step up converter. The ...
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2 votes
1 answer
58 views

TP4056 circuit component question

I have a circuit that was made for me some time ago by an electrical engineer. But looking at many other TP4056 circuits I see that my circuit has a few parts that no one else has. So my question is, ...
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36 views

Using TP4056 with two unprotected batteries

For a small hobby project that I am doing, I need to power a simple RF receiver and other components with 5 V DC. The first attempt I made was with one LiPo cell, a boost converter and a TP4056 ...
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1 answer
71 views

Powering Arduino from Li-ion Battery

I am trying to make a emergency button with Arduino Nano. it should work with and without input voltage. So that I made this circuit. if there is a input voltage 5 volt NANO should directly suppling ...
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2 votes
1 answer
319 views

TP4056 Lithium-ion Charger Module with USB-C PD

I have a USB-C version of one of these TP4056 Lithium-ion charger modules. It works well so far from limited testing (the battery I've used has its own protection), but there's a lot more to test. ...
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Li-ion battery load sharing

I'm designing a backup battery for some portable sim800 project. In this application note, page 5 it counts problems of connecting load to battery directly. but for example in this schematic of ...
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1 answer
164 views

Li-Po protection circuit DW01A turned off output

I have a strange problem where a LiPo charger circuit built on TP4056, DW01A is not working and <1 V comes as output. I have connected the output from charger circuit to a 3.3 V LDO. I have checked ...
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-1 votes
1 answer
92 views

Is it safe to charge Lithium Ion battery directly with a 4.2 volt supply?

I have been working with Lithium ion 3.7 volts batteries and have been charging them using TP4056 module. However, the module doesn't last longer and gets damaged within a couple of weeks or a month. ...
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2 votes
3 answers
219 views

TP4056 - Charge while load is used with Zener diode

I'd like to add a zener diode to my tp4056 in order to be able to use the load while the battery is charging. Context: I found this post that looked promising however I lack electronics knowledge and ...
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0 votes
1 answer
50 views

Charging single cell battery while on light load

I'm building a portable Bluetooth speaker that uses Arduino Pro Mini as switch controller, so the Arduino will always turned on, it consumes a little current, about 5 mA or even less. I'm using TP4056 ...
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1 answer
111 views

TP4056 power sharing circuit Rpull

I am replicating the TP4056 charging circuit on https://www.best-microcontroller-projects.com/tp4056-page2.html and solving the power-sharing problem. The website mentions a Rpull resistor that pulls ...
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1 answer
185 views

TP4056 Charging Problem

recently, for a project, i need to provide an auxiliary power unit, since required power demand is not high, i decided to go with a 1200mAH 18650 li-ion battery with TP4056 charging module and HW-432 ...
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1 vote
1 answer
103 views

Is my power supply design safe and effective?

I'm making power supplies for RC cars. I need to be sure that they are safe and that I'm getting enough current to run everything on the car. I am planning on using 3 LM2596 Buck converters: @10V to ...
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1 vote
1 answer
88 views

TP4056 for Li ion deep discharge

I am using li ion single cell in one of the application where device will be in sleep mode when is not in use. Life time of which is nearly 30 days. Cell I am using is Li-ion, 18650 package, 2600mah ...
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1 answer
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Adding mods around a TP4506 (Led indicator + use load while USB plugged)

This is my first post here, I'm looking to achieve some modification on my GBZ power part. I'm currently using: LiPo Battery 3.7V 4000mAh Micro USB charger TP4056 MT5608 Volt Booster (output 5V) I'd ...
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0 votes
2 answers
269 views

Can I Charge 2 18650 with 2 TP4056 boards with single input

I found this video on youtube where they charges 2 18650 with 2 TP4056 modules with one input. below is the schematic he uses. Is it safe to do that?
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3 votes
1 answer
610 views

Adding power path to TP4056 solar battery charger and limit output voltage to 5.5 V or below

I have a 6 V solar panel and a bunch of TP4056 modules with the battery protection circuits lying around and I thought I'd use them to make a solar powered BLE circuit with the nRF52840 dongle for ...
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163 views

How can I use 2 TP4056 to safely discharge 2 18650 cells in series

I am new to electronics. I have made a robotic car type thing with arduino and L298N and I want to power it using two 18650 ...
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1 vote
1 answer
451 views

DW01A not allowing power in TP4056 circuit

Edit: Used wrong resistor at R_BAT1. The schematic was correct, the part I used was wrong. I am using the following charging circuit. It is the standard circuit taken from the datasheets. But it is ...
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304 views

Monitoring a LiPo battery while powering the Arduino

Well I am tring to make a circuit to charging lipo battery then use lipo. while arduino nano using lipo battery, nano measuring the voltage level of lipo. I am planning to make deep sleep if voltage ...
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0 votes
1 answer
82 views

can I parallel two TP4056 to charge 1 cell?

I have a 3600mah Li-ion battery and I want charge it at 2 Amps. I want to use TP4056 module but its output current is 1 Amp max. so I decided to use 2 module in parallel like I draw in photo is that ...
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0 votes
1 answer
151 views

LED lighting for use in miniature tanks

Novice, built a model for a popular wargame. I built a modular tank using magnets for multiple variants from 1 kit. I hope to add some LEDs (max of 20 3V) & fibre optic lights on the vehicle and ...
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1 vote
1 answer
146 views

TP4056 overheating when not charging

I am currently working on a project that involves charging 18650 Li-Ion battery through USB-C using TP4056. Nothing really fancy (or at least have I thought!). The circuit is pretty simple - Battery ...
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0 votes
1 answer
273 views

Can I run TP4056 modules from the same DC power source?

I am trying to set up a balance charger for 3S 11.1V LiPo battery using cheap components. I have a PC power supply and several TP4056 modules. However, there seems to be something wrong with the ...
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0 votes
1 answer
139 views

Simplest circuit to light an LED in parallel or series to a Li-ion battery being charged

I have a very small TP4056 based li-ion battery charging circuit board. It has integral LED charging status lights, but I would like to add a remote LED to indicate when a battery is inserted and ...
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0 votes
1 answer
45 views

Overdischarged 18650s and a TP4056 module

I disassembled an old laptop battery and found 6 Sanyo K29B 18650s. All of them have a voltage of <= 2.5V. When I tried to charge them with a TP4056 module, while measuring the current, the module ...
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0 votes
1 answer
58 views

TP4056 custom PCB battery reference voltage

I have a custom PCB where I implemented BMS system based on TP4056 from a 5V regulated solar power source. Everything works as expected regarding battery charging and output but I am encountering a ...
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0 votes
0 answers
95 views

How will an ultra-low leakage Schottky diode affect resistor selection when designing a load-sharing circuit?

Could you believe it? Affordable charger circuits on the market still don’t come with load sharing components built in these day and age. So I had to build my own. I’m somewhat new to this so bear ...
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2 votes
2 answers
387 views

Why should I put a Schottky diode and a resistor between a USB connector and a TP4056 charger IC?

I've found this useful explanation for a load sharing circuit based on the established TP4056 charger IC: LINK: https://www.youtube.com/watch?v=T70mBHeIOZA&ab_channel=WellDoneTips SCREENSHOT: Now ...
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0 votes
2 answers
219 views

Voltage drop, current increase when two servos connected

I'm trying two design a bionic prosthetic hand adding control and movement to an open-source Thingiverse mechanical hand. The main is to move two MG995 when a muscular contraction is performed (...
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0 votes
1 answer
357 views

How to use 18650 batteries and increase voltage from 3.7v to 12v

Im trying to do a DIY RC car with uses two 12v motors as well as some LEDS servos and Arduino components. I was planning on using two 3.7v 2600MAH 25A 18650 battery cells on parallel to have a bigger ...
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0 votes
1 answer
103 views

Arduino system ups problem!

this is my first question in the forum because i can't find a solution on my own... i hope you can help me. Also english is not my first language so excuse my writing errors. i design an arduino ...
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0 votes
0 answers
705 views

How to force the FS312F (DW01A-G) battery protection IC to automatically enable itself when reaching the overdischarge release voltage or above

The IC successfully cuts off the battery when the voltage goes below 2.9V (2.4V with DW01-G), but it doesn't reactivate itself when it is reaching its overdischarge release voltage. I would like to ...
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0 votes
0 answers
140 views

Unable to charge at current 500mA with TP4054

Hi I have a PCB which is operating a 5V Fan running on 500mAh 3.7v battery. The PCB uses a booster and a charging circuit. I am using TP4054 for charging module: https://lcsc.com/product-detail/PMIC-...
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1 vote
1 answer
114 views

Reverse voltage protection for lithium battery charging module with smd component(s)

I want to add to this famous single cell lithium ion battery charging module a reverse voltage protection: I ended up with the following circuit (Load draws up to 700mA): Updated: My question(s): ...
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0 votes
1 answer
340 views

Charging 4 cells in series with TP4056

I am using TP4056 module to charge 4 Li-ion cells in series using 4 of the modules. Red wires in the diagram represent wires for positive terminals and black wires from the negative terminal while ...
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0 votes
2 answers
514 views

How to prevent a Lipo/Li-Ion-Battery from catching fire after a complete self discharge with a following accidentally recharge

From the following Youtube video (at 3:15min) I got that it is dangerous to recharge a Lipo/Li-Ion-Battery after it was completely discharged (0V), because it will catch fire. https://youtu.be/...
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1 vote
1 answer
978 views

how to make perfect UPS for Arduino?

Well I am trying to make UPS, uninterruptible power supply, for Arduino Leonardo. This is my circuit I am using for lipo chargher this ICs, it use TC4056A and DW01 . I think main problem is DW01 ...
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0 votes
1 answer
203 views

How does power affect the TP4056 module?

I have 4 questions in particular: TP4056 input has been given as 5V and 1A. How does TP4056 handle the charging process it more than 5W is provided to the module? Will the battery stop charging or ...
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0 votes
1 answer
248 views

Battery charger - volts but no current

I'm building an 18650 phone charger which follows this tutorial. The 18650 battery is connected to the TP4056 module. Then I have that connected to a boost converter to step up the 2.8V - 4.2V (from ...
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