All Questions
Tagged with lipo protection
20
questions
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Issues with AP9101C Lipo protection IC and the auto-wakeup feature
I'm developing a pcb for a product powered by a single-cell li-ion battery. Since I couldn't find an appropriate battery with a built in protection ic, I decided to add one to my design. After ...
- 11
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1
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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
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46
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Do I need a protection circuit when using a TP4056 LiPo charging PCB?
I'm building a small handheld controller and I am using a small cheap TP4056 PCB for LiPo charging. Do I need to add in a protection circuit that cuts off power from the charger to the rest of the ...
- 11
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756
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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 ...
- 87
1
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2
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206
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Help me identify this IC marked "CI" next to the LiPo battery. (It's not the charger IC)
The IC (descriptor U5) with its peripheral resistors (R55, R84, R59) is right next to the battery connector, on the path prior to connecting to the battery charger IC (which is the ISL9230). The IC is ...
- 754
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1
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557
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Choosing fuse for 2S Li-po
I have a 2S 8000 mAh Li-po battery I want to use as an external power source for my DSLR camera (Canon 7D Mark II). Previously, I failed to power it with a power bank and a DC-DC converter, most ...
- 19
1
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2
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3k
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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 ...
- 1,139
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14.8V LiPo Battery Protection
Disclaimer: This is my very first time I have to work with batteries so I have basically no idea whatsoever.
I need to protect a 14.8V LiPo Battery from overcharging/overdischarging. I have looked up ...
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2
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1k
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DW01 LiPo Protection not auto detecting
I've designed a LiPo charge/protect/boost circuit but am having problems with the DW01 protection IC. The IC successfully cuts off the battery when the voltage goes below 2.4V, but it doesn't auto-...
- 98
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1
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127
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LiPo Shrinkwrapped components
Besides over voltage protection, what other purposes are served by the shrink-wrapped (in yellow) components seen here? Do they have any effect on discharge, and will they discharge the battery other ...
- 175
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2k
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How to connect 3 cell series Li ion charger and protection IC for each cell?
I am using max745 4 cell Li-ion battery charger to charge 3 cells in series.
I want to put additional protection IC for each cell (NCR18650pf). Because I need to run the max745 always on as a backup ...
- 547
0
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1
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258
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Reasonable Li-Po Battery Protection Circuit?
I'm designing a circuit to monitor the voltage of a Li-Po battery (single cell 3.7v, 2500mAh, 25A) and switch off the battery when the voltage drops to a certain threshold. The Circuit will also ...
- 419
0
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2
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4k
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Single cell Li-Ion battery - cascaded double protection?
I have an application where I have a battery protection circuit (overcharge, overdischarge, charge overcurrent, discharge overcurrent) containing BQ29700 on the main board separate from the raw ...
- 157
1
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1
answer
896
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How to get LiPo battery protection circuit's function and schematic
I have three single cell 500-730 mAh LiPo batteries at home. I would like to know if they have an on-cell protection circuit (I can see it in one of them, and I think the others also have it) and what ...
- 397
1
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1
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1k
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Can Lipo protection boards be daisy chained?
I've got several 1S Lipo protection boards. Would it be possible/safe to daisy chain them to make higher voltage packs? Example:
...
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