All Questions
Tagged with buck-boost battery-charging
12
questions
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69
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Charging IC for a 1S or 3S Li-ion battery
I have quite specific problem; I'm designing a PCB for my robot, that is used the main board for controlling motors, gathering data from sensors, etc.
The whole PCB will be designed as a Raspberry Pi ...
0
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66
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Charging and discharging Li-ion cell dynamically
I intend to use an EBL 6F22 5400 mWh, 9 V Li-ion block as buffer for an USB-level solar charging station.
It comes with a micro-USB charging slot and necessary voltage regulation. Not much can be ...
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votes
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150
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Hybrid charger and NVDC charger
I have some questions about the battery chargers.
Here are my questions,
1.) Could someone explain the Narrow Voltage DC charger, I try to google it, but I am still very confused.
2.) In what ...
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1
vote
1
answer
1k
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How does a boost converter behave when used as a battery charger?
I'd like to use a boost converter as the primary power supply for a lipo charger. Disregarding the BMS, which will be a separate component, how does a step-up boost converter behave when used as a ...
- 13
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1
answer
96
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How to use a battery charger evaluation module as a booster?
I have a power source that can give me around 0.9 ~ 1 V and 900uA. I would like to use the BQ25570 battery charger evaluation module to give an output of 1.8 V. I would like to attach a capacitor to ...
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100
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Analog LTC3106 issue
I'm trying to use LTC3106 to provide 3.3V for my SAMD21. The goal is to use the sun when it is available (and recharge the battery with the excess) and use the battery when there is no sun.
Here is my ...
- 5
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61
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Battery for GPRS module and voltage regulation
I work on a wearable GSM device powered with a LiPo battery.
I want to use a switching charger with a power path. My GSM module can consume up to 2 amps during data transmission and its working ...
0
votes
1
answer
182
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DIY Power Bank For Router & Fiber ONU
I'm trying to build uninterrupted power bank for my 9V 1A router and 12V 0.9A ONU. I have made a circuit Mindmap. But I think I have done some questionable things in it. Such as, I don't know the ...
- 141
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1
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235
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Issue with my solar charger using LM2596
I am using a 20W solar panel, maximum voltage 21V & maximum current 1.23 A. I am using LM2596 to dtep-down to 5V to charge my powerbank, hich will later power my Nodemcu (ESP8266 board.)
Issue in ...
3
votes
1
answer
313
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A voltage controlled switch for a single NiMH cell
I'm developing a small project that contains one AAA NiMH battery that is charged via USB with a MAX DS2711 IC. The output of the battery is connected to a TPS61006 to boost the ~0.9 - 1.3v cell ...
- 165
-2
votes
1
answer
60
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DC-DC charging different voltages
I have several banks of batteries on a boat, two larger banks
48v electric propulsion system with regen
12v house bank
Each has a charging source the 48 has regen up to 2kw while sailing
The 12 has ...
- 1
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0
answers
1k
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Why my charging circuit always heat up and malfunction?
I am working on troubleshooting bunch of overheating PCBs. I found that 2 components on my charging circuit always heat-up or malfunction even after replacement.
The first problematic component is ...
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