Questions tagged [tp4056]

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46 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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1answer
40 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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1answer
49 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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39 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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0answers
52 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 ...
0
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1answer
25 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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1answer
128 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 ...
0
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1answer
38 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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1answer
166 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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2answers
731 views

How to charge a 4S 18650 (16.8V) battery pack with a 5V USB input source?

I'm planning on building a 4s 18650 (16.8V) lithium-ion battery pack with a 4s BMS with balance function to replace an old built-in Ni-Mh battpack. I would like to charge the new lithium battpack via ...
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1answer
90 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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1answer
37 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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1answer
28 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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0answers
67 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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2answers
152 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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2answers
70 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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1answer
77 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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0answers
224 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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0answers
40 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-...
1
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1answer
48 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): Sorry, updated: My ...
0
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1answer
48 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 ...
0
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2answers
143 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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1answer
284 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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1answer
82 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 ...
0
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1answer
106 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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2answers
60 views

Why is the TP4056 IC called a “linear li-ion battery charger”

Being new to electrical engineering, I'm wondering why the TP4056 IC is called a "linear li-ion battery charger" (emphasis on linear). Is it because the TP4056 is designed to work with a ...
1
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3answers
278 views

Solar panel not charging LiPo Batteries

I am a totally beginner in electronics and I am facing a big problem with my prototype. I am trying to create an autonomous circuit that runs an Arduino powered by a 3.7 LiPo battery. The problem that ...
0
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2answers
101 views

How does the TP4056 overdischarge protection work?

I want to buy this integrated circuit (IC) to charge li-po battery. TP4056 Type-C 1S 3.7V It looks nice for charging but I am afraid of the overdischarge protection of this IC because in the ...
1
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1answer
57 views

TP4056 reference design 1R resistor function

From the datasheet of the TP456 li-po charging chip, a 1R resistor is added in series to the 10uF capacitor. I am assuming the capacitor is for signal conditioning. But why is the 1R resistor added? I ...
3
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1answer
143 views

TP4056 battery output (charging voltage) is not constant

I tried to design a charging circuit based on the TP4056 li-po chip. At a usb voltage of 5V, the battery charging output (Pin 5 of TP4056) 4.3V. This seems acceptable, but there seems to be no ...
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1answer
130 views

Is it ok to charge a battery with TP4056 while using it, if

Question Is it ok to charge a battery with TP4056 while using it, if the current consumption of the load isn't higher than the charging current of TP4056? and if not why? Trying: To have a 200mah Li-...
2
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2answers
95 views

Chaining TP4056 modules, the proper way

I know a similar question was asked before, but still, it didn't aswer what I'm looking for. I need to charge a series of 6 Li-ion cells, and maybe 12 in the future for a voltage hungry project. Since ...
2
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1answer
60 views

Wiring problems on the TP4056 Module

I have been thinking of putting a 18650 Li-ion battery salvaged from an old laptop power battery to use so, I bought a few of those cheap TP4056 battery protection and charge circuit modules and I am ...
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0answers
108 views

Strange behaviour of TP4056 when charging complete

I am using a TP4056 to charge a 18650 LiIon cell as shown in the circuit below. The BAT output is connected to the 18650 cell through a BQ29700 protection IC. According to the datasheet of the TP4056, ...