Questions tagged [lipo]
Questions regarding Li-Po batteries (Lithium-ion Polymer, Polymer Lithium Ion or more commonly known as Lithium Polymer), including proper charging and usage.
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Can we charge a 12S LiPO battery through a DC safety switch?
I'm working on a robot that uses a 12S battery as its main power source. The problem is that wanted to add a short circuit protection and an overcurrent protection, so added a DC automatic safety ...
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What is the purpose of N channel MOSFET in this schematic?
I have a developement board and I have found the schematic of it. However, When I skim through schematic, I came across this charger and boost circut but I couldnt figure out what is the purpose of N ...
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Charging a super cap with a Li-po battery while maintaining charge
I have a 3 V 100 F capacitor and 400 mAh 35 C battery, the battery is to be charging the super capacitor and maintaining charge until a button is pressed to discharge the super cap. I am stuck with ...
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Auto power switching between USB and a range of Lipos (1S-3S)
I'm designing a circuit used in a portable device. I want the option of powering the device over USB or from a range of different Lipo batteries (1S-3S).
I want the circuit to auto negotiate between ...
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Can I use a MAX17262 to measure battery capacity of a 300mA 3.7V Lipo?
First, I a very basic understanding of lithium based batteries and from what I have learned, gauging their capacity can be quite complex. I was looking into MAX17262 as a fuel gauge to measure the ...
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Safely Switching between LIPo batteries
I run two 12 V LiPo starter batteries in my race bike. They only power a starter motor and the ignition in a total loss system. They are rated at around 10 Ah each and are different brands. They are ...
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Reverse voltage protection for four 18650 cells
I would like to protect my robot from reverse voltage which is powered by four 18650 cells. Is option 1 sufficient or do I need at least three diodes? I know that using diodes comes with a voltage ...
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Powering a dc brushless motor with lipo battery
I am trying to control a brushless dc motor. I have a H-bridge style MOSFET circuit and am controlling the gates with an Arduino. However I am trying to power the motor with a 7.4 V lipo battery (...
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How can I increase the capacity of a 3.7V lithium polymer battery?
I have a Raspberry Pi Pico W that I want to power using a battery. All the 3.7V lithium polymer batteries I can find are up to around 5000mAh which doesn't power the Pico for too long. Ideally I want ...
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Can I power a circuit from the balance cable of a lipo battery?
Hello I want to power a circuit (that runs at 3.3v) with the balancing cable of a 3s Lipo Battery, my plan is to use only 1 cell through an LDO to power my circuit.
My question is can I power it ...
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How do you create small devices that can remain "dead" for a very long time without damaging the battery?
I'm working on a product that uses a very small 20mAh lipo battery. The device only needs to operate for 8 hours, and that's not a problem. However, I expect that customers may run the device until it ...
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The most minimalistic solar charge controller possible: will it work?
I want to build a solar panels device that can supply power to my doorbell, which is installed over a gate with no access to wires or power. The gate has a "bar" on top where I can install ...
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Can I use this battery for my circuit?
I plan on having a circuit that connects a 3.7v Lipo battery to a 1.4 ohm coil.
However, I just saw this table for the battery I am using and noticed it has a max discharge of 0.4A
Does this mean I ...
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Do camera batteries require a seperate protection circuit (lithium accu 1s)
I have a lot of old camera batteries lithium 3.7 V rechargeable accus (1s), because such handheld cameras keep dying due to lens failures (lots of sand and wind here).
I want to be able to reuse those ...
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ADC is not correctly working
I build this schematic that was recommended to me in this thread:
My entire schematic then would be:
And this is how it looks on the PCB:
If I attach a 4.15V battery, the differential between VIN+ ...
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