All Questions
Tagged with lipo dc-dc-converter
22
questions
1
vote
4
answers
138
views
Can you power 2 voltage rails simultaneously using a buck-boost converter?
I am designing a custom PCB and want to power 2 rails: a 3.3V and 5V rail, with a single 250mAh LiPo battery (3.7V) and need the 5V rail to have as stable a voltage as possible.
I understand that a ...
- 61
1
vote
2
answers
489
views
How to convert 14.8V from Li-Po to 5V without producing heat? [closed]
I have a 14.8V Li-Po battery and I want to stepdown the power to 5V 3A as efficiently as possible without producing much heat. ...
user323657
2
votes
1
answer
219
views
LiPo Charge Boost circuit doing funny things
I am hobbyist who’s been working for two years on a project. I’m currently having an issue with my power circuit.
It consists of three “families” of parts; we have:
TP4056 - LiPo charger IC
SDB628 - ...
- 103
0
votes
3
answers
2k
views
Can DC DC converter (CCCV) + BMS charge Lithium Polymer batteries
I need some help in clarifying my understanding on charging Lithium Polymer batteries.
Context:
I am trying to build DIY vacuum cleaner bot. For that I need a LiPo batteries which bot could charge ...
- 21
0
votes
0
answers
61
views
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
0
answers
982
views
Monitoring a LiPo battery while powering the Arduino
Well I am tring to make a circuit to charging lipo battery then use lipo. while arduino nano using lipo battery, nano measuring the voltage level of lipo. I am planning to make deep sleep if voltage ...
- 1,139
0
votes
1
answer
462
views
Powering BLDC motors using a Li-po battery
I'm building a self-balancing cube using 3 reaction wheels much like the Cubli but smaller. I'm a mechanical engineering student with not a lot of electronics experience other than the basics.
The ...
- 1
1
vote
3
answers
530
views
Does a boosting circuit reduce battery voltage without any load?
Suppose I am trying to boost the voltage of my 3.7V Lipo battery to 8V using a boost converter (MT3608 module) and lighting up some LEDs.
Does the voltage of the battery reduce just because of the ...
3
votes
1
answer
716
views
Establishing Safe Operation Range for Lipo Battery with Buck Boost Converter
I have a circuitry that I need to power up with lipo battery. I need to regulate battery to 3.3V with buck-boost converter, since LDO can not be able to provide required current output and causes ...
- 65
0
votes
1
answer
187
views
How to boost my Lipo battery automatically when connected to a load?
Ibam using a Lipo battery to boost the voltage from 3.7V to 10V using a MT3608 module.
Since the MT3608 module always boosts the voltage no matter if I connect the load at 10V. Is there a way where ...
1
vote
1
answer
1k
views
How to combine a charger for LIPO battery with a boost step-up voltage converter?
I want to power a device with up to 4A at 5V from a single-cell LIPO battery of 3.7V 5000mAh and be able to charge it. The idea is to have everything packed up inside a case, so I don't want to rely ...
0
votes
1
answer
285
views
Using a battery as a voltage source in a DC DC converter to supply a second battery?
I was wondering if I could use a battery as Vin to a DC DC converter to charge another battery.
Example:
Using a Li Ion battery pack and having it go through the DC to DC converter to charge a LiPo ...
4
votes
2
answers
3k
views
Powering a circuit from either USB or LIPO
I have a small hobby project which includes MCU and some peripherals.
It is powered by 3.3V power source and consumes 200mA-800mA for up to a minute. However, most of the time it's in deep sleep mode ...
- 482
1
vote
0
answers
129
views
Charging 3.7V battery from 300W+ generator
I am doing a project involving a bike generator of 500W. All of my previous projects were small LiPo battery powered devices so I want to double check certain aspects of this relatively high power ...
- 11
-1
votes
3
answers
1k
views
2 cell lipo battery or single cell with step up
I am trying to design GPS tracker controled by chip from arduino with GPS/GSM module sim808.
I need to power it from lipo battery and i need 5V input for the chip which can give up to 2A peaks. What ...
