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0 votes
1 answer
79 views

Boost converter output consuming battery - will a blocking diode be of use? [closed]

I'm using a CC/CV boost converter to charge a lithium-ion battery via a USB-C PD circuit. The issue I am having is the boost converter is consuming power from the battery connected to the output when ...
Jon Coop's user avatar
0 votes
2 answers
438 views

Can I charge a 4000 mAh Li-po battery with a single TP4056 module?

I bought a single 4000 mAh lithium-polymer battery and connected a step up converter and TP4056 module. I am providing a circuit image; the only difference between the image and the actual circuit is ...
Sarthak Tyagi's user avatar
2 votes
1 answer
209 views

TPS61046 wrong output voltage and high current consumption

I am designing a circuit to control a multiplexed led matrix and for that I am testing two boost circuits. The TPS61046 and the TPS61080. My idea is that the input voltage is via USB or a Li+ coin ...
Smart_Celery's user avatar
0 votes
0 answers
271 views

How much Amperage can pass through a BMS and DC stepup boost converter?

In my Mini UPS project for my router, I made a little circuit by using a 18650 li-ion battery charger module, a 3.7v /2800mAH li-ion battery, and the DC step-up boost converter. My router requires 9v/...
S.Macualiff's user avatar
1 vote
1 answer
94 views

simple DCDC Step Up converter mystery

I'm designing a self sustaining guitar that has 6 amplifiers onboard and runs on a li-ion pack. Power draw is a about 2.5A when on "full power" and I decided to make my own step up converter ...
Alex P's user avatar
  • 37
0 votes
0 answers
2k views

what is maximum Input voltage for 2s bms

I am making UPS for my 12v broadband router. I am planing to use XL6009 boots converter to booter 8.4 volt to 12v. For charging 2s Li-ion battery with 2s BMS i don't have 8.4v charger. Can I use 12V ...
Sunny's user avatar
  • 11
1 vote
1 answer
696 views

3.7V Li-Ion battery powered LED step-up/boost driver

Most quality COB LEDs are driven with around 35V. Are there any quality constant current step-up drivers available that allow a 3.7V Li-Ion battery to be used? Or would I have to use TI's WEBENCH ...
Systembolaget's user avatar
0 votes
0 answers
32 views

Dedicated li-ion step up drivers

I have a design which will include the optional use case of boosting up to 7V from a li-ion battery. I can't seem to find any drivers dedicated to li-ion for this? There seem to be a few buck boost ...
Hasman404's user avatar
  • 757
0 votes
1 answer
175 views

Can I use dc-to-dc converter to step up voltage of 20 3.7V 3Ah lithium-ion batteries connected in parallel?

I want to use this 3.7V 40Ah powerbank to power my e bike's 48V hub motor. So would it be a bad idea to step up 3.7V all the way up to 48V? Would there be a huge Ah loss?
Spoods's user avatar
  • 19
2 votes
1 answer
3k views

Creating a Li-on backup for a 12v router

I am building a small battery backup for my router with the 12V 0.5A DC input. Main use is to keep the router powered up during load shedding (aka. power cuts / blackouts ) while my backup generator ...
animus's user avatar
  • 23