Questions tagged [tp4056]

For questions about the lithium ion battery charger integrated circuit.

Filter by
Sorted by
Tagged with
1 vote
1 answer
47 views

TC4056A shuts off at maximum volume (Bluetooth speaker)

I am trying to build a DIY Bluetooth speaker using a 18650 battery cell, a TC4056A battery charger board, an XY-016 that raises the voltage to 6.5 V, a 2200 μF capacitor, and a CSR8645 board. I am ...
1 vote
2 answers
148 views

Do these TP4056 charging boards have built-in load sharing?

I'm trying to design a simple rechargeable circuit that when plugged in, safely charges an 1S 18650 li-ion while also powering a load. I've been researching for awhile and can't seem to find ...
0 votes
1 answer
28 views

Ground reference with DW01 and MAX17048

I have designed a project that includes a TP4056 with DW01 protection ic and porwer sharing feature. Now I want to include a fuel gauge and the only one I have found is MAX17048 I have readed the ...
0 votes
1 answer
62 views

For Lipo charging, why is TP4056 more popular when only MCP73831 performs load sharing?

I'm trying to power a simple circuit (0.25 mA LED) that will be used both when connected to a USB charging cable and by a single 3.7 C Li-ion cell (when disconnected). Between the available hardware ...
2 votes
2 answers
363 views

LM1117 LDO - Vout variability?

I have two LM1117T through-hole low dropout regulators that I bought from two different sources. Both are labeled as the 3.3V variant. I'm reading about 4.2 V across Gnd and Vin. One reads 3.27V on ...
  • 255
0 votes
1 answer
61 views

Using Arduino LED instead of LiPo charger (TP4056) CHRG + STDBY LEDs

I want to remove the LEDs (RED+GRN) on the charger PCB and indicate if the battery is charging on the Arduino 33 BLE Sense board instead. Arduino has a bad habit of reporting random numbers on the ...
  • 3
0 votes
0 answers
117 views

TP4056 - high temperature

The TP4056 (1A) gets very hot (around 80-100*C) when charging the cell, so much so that it is impossible to hold it for more than a few seconds. Is it safe to use this circuit without any cooling?
  • 1
1 vote
2 answers
132 views

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 ...
0 votes
0 answers
56 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. ...
  • 21
1 vote
0 answers
67 views

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 ...
0 votes
1 answer
92 views

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 ...
  • 1
0 votes
0 answers
121 views

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 ...
  • 21
0 votes
0 answers
109 views

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 ...
  • 21
0 votes
2 answers
89 views

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 ...
0 votes
0 answers
94 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 ...
  • 1
0 votes
1 answer
135 views

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 ...
  • 3
0 votes
1 answer
128 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 ...
  • 19
0 votes
0 answers
44 views

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 ...
  • 35
2 votes
1 answer
71 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, ...
1 vote
0 answers
53 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 ...
  • 167
0 votes
1 answer
118 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 ...
  • 905
2 votes
1 answer
623 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. ...
  • 23
0 votes
0 answers
76 views

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 ...
  • 11
0 votes
1 answer
380 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 ...
-1 votes
1 answer
98 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. ...
  • 323
2 votes
3 answers
406 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 ...
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 ...
  • 11
0 votes
1 answer
187 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 ...
  • 3
0 votes
1 answer
323 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 ...
1 vote
1 answer
109 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 ...
1 vote
1 answer
162 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 ...
  • 503
0 votes
1 answer
107 views

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 ...
0 votes
2 answers
474 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?
3 votes
1 answer
956 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 ...
0 votes
0 answers
284 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 ...
1 vote
1 answer
813 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 ...
  • 53
0 votes
0 answers
448 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 ...
  • 905
0 votes
1 answer
160 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 ...
0 votes
1 answer
161 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 ...
1 vote
1 answer
195 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 ...
0 votes
1 answer
477 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 ...
0 votes
1 answer
169 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 ...
0 votes
1 answer
51 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 ...
0 votes
1 answer
115 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 ...
0 votes
0 answers
102 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 ...
3 votes
2 answers
533 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 ...
0 votes
2 answers
311 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 (...
0 votes
1 answer
506 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 ...
0 votes
1 answer
118 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 ...
0 votes
0 answers
858 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 ...