All Questions
Tagged with step-up switch-mode-power-supply
8
questions
1
vote
1
answer
80
views
LMR64010 using externaly adjustable feedback voltage
I am using a basic application circuit for LMR64010. The output voltage is adjustable by changing resistor R2 (R1 is a fixed value of 13.3 kΩ).
I would like to know how to modify this basic circuit to ...
- 65
-2
votes
2
answers
1k
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Why the output voltage of no-load boost converter is increase continuously?
I'm designing the boost converter with 3 mH inductor and 680 uF capacitor 20 kHz fequency. When I try with 12 V, 5 A power supply in the input and fixed 50% duty cycle, I can reach the 24 V output ...
-1
votes
1
answer
80
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I designed a circuit to receive multiple AC voltages at the input and constant voltage at the output, but I wonder if the circuit makes any sense
I wonder if this circuit has any meaning and if it will work as I expect.
I would like to know before I build it, due to lack of time.
What I want from this circuit is to give motorcycle lamps the ...
user270262
1
vote
1
answer
94
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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 ...
- 37
0
votes
0
answers
84
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TPS55165Q1 does not work in boost mode
I need a power supply that delivers 12v with an input between 8v and 35v. That's the reason I bought a couple of TPS55165Q1 from Texas instruments. I've made 3 different PCBs with a similar circuit. ...
- 113
0
votes
1
answer
217
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Can I use a DC-DC step-up module for a small form factor computer? [closed]
I want to design a DC power supply for my Intel NUC small form factor PC using a battery.
The data-sheet for the PC:
...
- 137
15
votes
3
answers
2k
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LM2586 - Inductor Heats Then Burns
I'm designing a step-up constant current source to drive LED strips (nominal load voltage is about 54 VDC). Requirements:
Vin: 18..32 VDC
Iout = 0.2 A
Vout = 54 VDC (nominal) - 57 VDC (maximum)
...
- 36.3k
1
vote
1
answer
1k
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Constant Current Driver with a Step-Up Regulator IC
First of all, although I couldn't find any similar question(s), excuse me if one has been asked before.
I want to make an LED driver for 2 different LED strips. One needs about 45 VDC and the other ...
- 36.3k