Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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USB-C input: using USB-C chargers/cables as well as micro-USB chargers/cables
Last message by
nickbuhling
0
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733
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L
Convert imput of 6s(22v-26v DC) To around 4s (14v-16.8v DC)
Last message by
Lbzcody
3
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2K
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L
LM317 no reference voltage
Last message by
sagor
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20
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6K
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Dual power supply design (not UPS): protecting AC/DC PSU when not in use.
Last message by
LowQCab
1
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939
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D
24v to 20v and 15A to 8.5A
Last message by
Djpmell
4
Replies
785
Views
ashokraj
what is the difference between these two supplies
Last message by
Ramussons
2
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1K
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J
Electrical Generation
Last message by
nsaspook
7
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1K
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How to make arc lighter with simple circuit for the kitchen?
Last message by
Juhahoo
2
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5K
Views
rambomhtri
When you charge a rechargeable AA battery... does it applies voltage reversed?
Last message by
BobTPH
2
26
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6K
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Lumenosity
Unequal Batteries in Parallel and Series - what's wrong with this picture?
Last message by
MrChips
18
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3K
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devoided
Reverse engineering
Last message by
devoided
15
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2K
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Bogdan_Ionut
I have a 12 V power source and I want to lower it to 5V. How many ohms my resistor needs to have to do this?
Last message by
MrChips
3
Replies
5K
Views
T
Back up battery - 24 VDC circuit
Last message by
ericgibbs
4
Replies
627
Views
T
Over Voltage/Over current protection
Last message by
tibibs
9
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2K
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Eduardo Hernando Torres
Battery Charging IC for Li-ion Battery Pack
Last message by
Juhahoo
1
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1K
Views
M
Can a Card Edge Connector handle powering a light bulb?
Last message by
montag1138
5
Replies
1K
Views
Mustang1965
Shed LED remotely controlled glows with power off
Last message by
Mustang1965
5
Replies
2K
Views
bigjoncoop
single cell lithium charge IC - i could use a hand please...
Last message by
bigjoncoop
0
Replies
700
Views
R
  • Locked
555 timer getting triggered on power up
Last message by
Baznr
18
Replies
11K
Views
DeepThinker
Transformer Winding
Last message by
DeepThinker
8
Replies
2K
Views
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