Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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quique123
Is this a 2s battery charging board
Last message by
Audioguru
11
Replies
1K
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S
Cannabalizing a hand crank radio for Bike dynamo switched mode power supply?
Last message by
drc_567
2
Replies
2K
Views
M
Power transformer and metal enclosue
Last message by
MaxHeadRoom
6
Replies
605
Views
K
Distribution power transformer monitoring device
Last message by
kelechiOrbiter
14
Replies
2K
Views
A
Adding GND to dual power supply.
Last message by
Audioguru
9
Replies
3K
Views
Teddy Doloir
LT3757 step up 48V to 88V fails
Last message by
Teddy Doloir
12
Replies
2K
Views
P
which mosfet for constant current source
Last message by
danadak
12
Replies
3K
Views
ba58smith
Looking for a buck converter to power 5v uC with 0.1 inch hole spacing
Last message by
ba58smith
7
Replies
2K
Views
C
Tapping a crude choke/inductor
Last message by
jpanhalt
10
Replies
2K
Views
P
Problem with secondary side of the LLC converter - 200W AC-DC power supply
Last message by
Piotar.M
4
Replies
1K
Views
M
Power problem, need 5V just for an instant, on stand by
Last message by
pmd34
2 3
55
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5K
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D
Yes, another DC UPS question :-)
Last message by
Joel Hopper
13
Replies
2K
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bigjoncoop
Need Help with Battery Capacity Tester. Am I doing something wrong?
Last message by
oz93666
3
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2K
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P
  • Locked
capacitor for capacitor dropper selection
Last message by
DickCappels
4
Replies
982
Views
Ajk Tek
Common Differences between a UL Certified AC/DC Power Adapter and a lower cost non-UL version?
Last message by
Audioguru
8
Replies
3K
Views
N
Circuit for Power Supply 12 ~ 15 Volt dc 30 ~ 60 amp
Last message by
nabilaap
4
Replies
1K
Views
-live wire-
Help making DIY USB-C computer power bank
Last message by
-live wire-
4
Replies
2K
Views
quique123
Can I charge 2 18650's in series with a 3s bms?
Last message by
quique123
0
Replies
1K
Views
H
Problem with Power Supply and Ammeter/Voltmeter display Advice
Last message by
spinnaker
12
Replies
3K
Views
H
Cascading LM78xx voltage regulators
Last message by
HBB
8
Replies
4K
Views
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