Questions tagged [tp4056]
For questions about the lithium ion battery charger integrated circuit.
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Is it OK to have two protectors for a single Li-ion battery?
I have a question regarding a Li-ion charger/protector module. The board I'm using a fairly standard Li-ion charger/protector module.
This module manages the charge using a TP4056 IC and has a built-...
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Using two TP4056 modules to charge two cells in series
Here's an attempt to get use two modules of charges to charge and protect each of its own batteries connected in series.
Adding back-to-back P-mosfets and a shottky diode converts the whole system ...
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Does ESD protection cause voltage leakage?
I have a this schematic for powering ESP32 over the usb and communicate PC with usb interface. It works perfect. But there is a interesting error. while I am powering ESP32 with Lipo battery (In case ...
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tp4056 charger circuit with protection:can i short bat- and out-?
(Easy eda's personal project image)
I'm trying to create this battery charger circuit,and I have a doubt whit this TP4056 with protection circuit: what happens if I short the bat ground whit the com ...
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tp4056 circuit to charge 18650 1s battery
I am making a single 18560 battery charger pcb module like tp4056 module (because it is not available in my country), after some researches my schematic is here, but actually i am not sure about it, ...
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Redundant LiPo protection circuit needed for charging application?
I want to charge a Lipo battery with a TP4056 circuit. Custom PCB.
The Lipo I want to use has an integrated protection circuit, but what is protected is not specified exactly.
In a typical TP4056 ...
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Circuit for Charging 3.7V Lithium Polymer battery with Arduino Nano's 5V output [duplicate]
I am building a circuit that charges a Lithium Polymer Battery with Arduino Nano IoT's 5V output. The idea is simple: while I connect USB to Arduino Nano, it starts charging the battery through TP4056....
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How to implement load sharing for charging a Li-ion battery when charger outputs less current than consumed by load?
I modified by TP4056 charge module like this Adding power path to TP4056 solar battery charger and limit output voltage to 5.5 V or below. But my charger's output is wind-powered so varies a lot, ...
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Is this a good way to make 2S 18650 battery cell while parallel charging?
I want to make a battery pack with 7.4 volt output and I want to charge them with 1A each so I connect them parallelly and input them with 5A 6A DC adapter. (No charging and using at the same time) Is ...
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LiPo Battery charging time with TP4056
I recycled some old ASUS battery laptop, with notes it had 15 V and 66 Wh rating. Then I disassembled it. Found 4 LiPo cells connected in series, each may be rated 3.88 V from a small print on each ...
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TP4056 ON/OFF Switch not fully working
I was testing the PCB of an electronics design (attached) when I noticed that when I put SW1 into the "OFF" position, there was still a small voltage (~1V) on U37 (MT3608 boost converter) ...
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Why does a sudden voltage drop happen when I connect a solar panel to a TP4506 module?
I am integrating a solar energy system to my smart greenhouse. The energy system will operate two 12 V, 0.2 A case fans (they draw a maximum of 0.5 A for maximum rpm) and a 5 V, 0.5 A mist maker.
I’m ...
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TP4056 low output voltage, 5 V solar panel
I am using using a 5 V solar panel connected to a TP4056 to charge two 18650 batteries in series.
Has your TP4056 ever shown an output voltage in millivolts when using a multimeter?
When I check the ...
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Using li ion battery when it is under charging with TP4056 IC
I have a device that uses li-ion battery and the device is also connected to battery directly.
For charging I have used TP4056 IC. Flow is like this,
V_charge(5v) -> TP4056 -> Battery & load ...
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S8550 reducing current
Updated Schematic
I am trying to set up an external battery storage for solar lights as the solar lights are not in direct sunlight and cannot charge their own batteries.
Each solar light runs off a ...
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Help with battery charge circuit on STM32F4
I followed some sources and came up with a battery charge circuit. The way it's wired "should" also give reverse polarity protection to the circuit. Could someone help me understand if I ...
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TP4056 / DW01A / FS8205A
Does this circuit have to be implemented with a DW01A battery protection IC and a FS8205A dual MOSFET IC?
I want to make a simple circuit doing only the charging function of an 18650 battery.
The ...
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TP4056 / thermal pad
I am preparing a circuit using a TP4056. This circuit has a thermal pad. The datasheet says that this pad must be connected to ground or nothing.
However, some forum discussions talk about connecting ...
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TP4056 humming without battery
I'm charging a 3.7V li-ion with a TP4056. The load (approximately 20mA) is connected in parallel with the li-ion. If I disconnect the battery while the TP4056 is receiving 5V on its input, I hear a ...
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Is it possible to interface the TP4056 charge IC with a MCU?
Something like this:
Where standby and charge are detected via GPIO pins of an MCU. I haven't seen this done before. (TP4056 datasheet)
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ESP32 and TP4056 lipo charging
I'm currently working on a project involving an ESP32-S3 Microcontroller. I want to implement a few things that are very hard for me to figure out. This is my current TP4056 charging logic + battery ...
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Charging LiFePO₄ battery using TP4056
I'm working on a project that involves using a LiFePO₄ battery to power an ESP32 microcontroller without regulator to save energy.
I have a TP4056 Li-ion battery charger, which has a voltage of 4.2 V. ...
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Current flowing through transistor with no Vcc
I'm trying to get a motion sensor to turn on a motor.
I use a C1815 transistor. The problem is that the motor still turns when there is no Vcc from the sensor.
The positive for the motor comes ...
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Solar lamp/phone charger output current too low for modern phones
I am building a solar lamp/phone charger following this page, with the circuit here below.
I have two 18650 batteries in parallel. The charger module is the usual TP4056 taking 5 V input, and limited ...
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TP4056 module series output
I'm trying to wire five TP4056 modules in series to produce enough voltage to power a motor. The batteries I'm using are identical 13400 lithium-ion batteries, which are connected to the module.
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DIY TP4056 Li-Ion does not charge
I created a DIY TP4056 Li-Ion charger, but for some reason it does not charge. Here is the schematic I created in EasyEDA. I tried replacing R4 with 2k - no effect.
The red LED keeps flashing when I ...
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TP4056 keep shorting / dropping voltage when connected to XL6009 DC-DC converter. I found 2 solutions, which one is the best?
Here is the electronics, I took the picture after I cut the wires, the measurement being done before the wires being cut.
Here is the diagram
Basically, the voltage keeps dropping on C, from ...
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TP4056 not delivering fixed output [closed]
When I am trying to adjusts the charging resistor also it doesn't give the output. The output comes like 1.8 V only.
NOTE: I have not connected any load.
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Output voltage issue for TP4056 IC [duplicate]
I have a TP4056-based charger circuit. My problem: The output voltage of the TP4056 is very variable. The input voltage of the TP4056 is about 5.4 VDC from a DC power supply. The output voltage is ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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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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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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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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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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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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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How to charge two 3.7 V Li-ion batteries in series with TP4056 charging module?
I use two 3.7 V Li-ion batteries in series for an 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 ...
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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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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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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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Powering Arduino from Li-ion battery
I am trying to make an emergency button with an Arduino Nano. It should work with and without input voltage, so I made this circuit:
If there is a 5 V input voltage the Nano should be supplied ...
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