All Questions
Tagged with protection batteries
65
questions
2
votes
1
answer
51
views
Protection circuit for a 12 V Li-ion battery pack
Is there an integrated circuit or a conventional circuit topology to monitor edge conditions of a 12 V battery pack without measuring individual cells within that unit?
A conventional BMS or battery ...
- 2,432
0
votes
1
answer
68
views
Litium Battery Series-Parallel 2S2P Protection
I am designing a PCB which has 4x Primary Lithium cell Batteries (ER14505M) two in series and two in parallel to give 7.2 V 4400 mAh. The cells have their own holder so it would be possible to only ...
- 1
3
votes
1
answer
106
views
Protecting parallel 18650 cells
My son is doing an Eagle project where he is creating a solar charged LED light set up using two 18650 cells in parallel. We are working to ensure they are safely protected. From the research we have ...
2
votes
3
answers
383
views
2S Li-ion charger+protection with reverse protection
I'm designing a device powered by two Li-ions in series and I'm struggling with the charging and protection of the batteries. One of the requirements is to avoid battery packs, the individual cells ...
0
votes
1
answer
669
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Lithium Battery Protection DW01
I'm using DW01 to protect LiPo batteries. But since there are more than one source of voltage in the circuit, I need to add a diode to DW01's VCC pin for the situations that battery is removed and ...
- 291
0
votes
0
answers
46
views
Is a snubber diode the correct solution? Preventing overload protection faults
I have been troubleshooting a strange problem for a while now and I think I've settled on the right solution.
I have an off-the-shelf 12v lithium-ion battery (12v 10A max output) with integrated over-...
1
vote
1
answer
81
views
Battery over-discharge protection
I am studying NiMH battery charging and using such a battery on a board to feed other circuits. I would like to add a protection circuit that provides protection for over-discharging the battery at ...
- 21
0
votes
0
answers
773
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Circuit diagram of LiFePo4 charger with additional battery protection
I want to design a small circuit board that includes a charge controller for a LiFePo4 battery and a protection circuit for the device behind it.
I use a vertical USB-C port for 5V Power-Input Texas ...
0
votes
2
answers
2k
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How to adjust a 3S BMS to connect a 2S Lithium ion battery pack to it?
I have a 2S Lithium ion battery pack and a 3S 18650 BMS protection board. I need to connect the pack to the board. While researching, I've noticed that this can be done by connecting a component ...
-2
votes
1
answer
97
views
Smart battery protector [closed]
How does this smart battery protector work?
0
votes
0
answers
55
views
Drawing more current from a battery than what it was designed for
I have built a system that requires at least 8A to run properly. It is powered by 6S1P li-ion battery pack protected by BMS circuit. I did some research and found that maximum battery current output ...
- 29
0
votes
1
answer
204
views
Deep discharge protection of LiFePo4 cell with a single MOSFET with the right threshold voltage
Is it possible to build a deep-discharge protection circuit for lithium based rechargeable batteries by putting a simple enhancement mode MOSFET with a threshold voltage that is equal to the discharge ...
- 783
1
vote
0
answers
32
views
Li Ion cell charging and thermistors
I am designing a circuit to charge a small Li Ion flat cell with a capacity of around 300mAh. I want to charge it at around 75mA to 150mA max in the CC part of the cycle. It will always be charged ...
- 11
0
votes
1
answer
74
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Beginner here... is the anode and cathode of the TLV431 mixed up in the linked circuit?
From an earlier question, I know I need discharge protection on the NiMH batteries in another circuit I'm working on. Researching it led me to this link.
It looks to me like the anode and cathode are ...
0
votes
0
answers
155
views
Can someone please explain this circuit especially the role of "KEY 1"?
I am currently studying different power management circuits and I came across this one , can anyone explain to me the role of "KEY 1" ?
for reference , P+ and P- re coming from a USB ...
