Questions tagged [step-up]
The step-up tag has no usage guidance.
50
questions with no upvoted or accepted answers
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Can this Raspberry Pi UPS circuit work?
I created following UPS circuit to shutdown my Raspberry Pi 3A+ properly:
I would really appreciate if somebody can review my circuit. I know it's a little bit hard to read, but I'm sorry. I'm a ...
2
votes
1
answer
196
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Choosing a transformer for 120V->240V AC step-up for low current (<1 W)?
I've got a device (microcontroller-based energy monitor, https://shelly.cloud/knowledge-base/devices/shelly-em/) which I'm using to measure energy consumption of 240V split-phase devices (motors). ...
2
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0
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Why does this 6V solenoid activate on 4 AA batteries but not on a MT3608 step up booster?
I have a JF-0530B 6V solenoid that is rated at 300mA, and if I hook it up to 4 AA batteries it indeed activates on the roughly 6V the batteries supply. However, I also have an MT3608 step up converter ...
2
votes
1
answer
98
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Generating +65 V (positive) and -65 V (negative) voltages from two 12 V batteries using cheap step-up converters?
I need to power a 300 W class D amplifier with positive and negative 65 V.
As I'm a do-it-yourself guy, I didn't know about positive and negative voltage and ordered a bunch of these normal step-up ...
2
votes
0
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41
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Check my battery powered layout
Few days ago I had topic about issue with power inductor crashing circuit. I almost resolved issue without making new by 90%. However sometimes circuit crashes -> I did some updates based on replies.
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2
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0
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236
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using a step-up voltage transformer designed for 110V input with a 100V input
I relocated to Japan (where electricity is served at 100V) recently and I am looking to buy a step up voltage transformer to be able to use my TV which accepts 220-240V.
While I managed to find some ...
1
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0
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286
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Why use a DRV2700 high-voltage piezo driver in this application?
The DRV2700 from Texas Instruments is an integrated circuit for driving piezoelectric/capacitive loads at relatively high voltages (max. +/-100 V) while the supply voltage can be as low as 3.3 V. This ...
1
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I designed a boost converter based off of a Texas Instruments schematic. Can't figure out why they're shorting out after a while
I designed my first DC to DC boost converter, which was primarily based off of the schematics that Texas Instruments provides for it in the datasheet, and then fine-tuned (applying specific component ...
1
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0
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99
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Unwanted switching noise on the output of the MCP16417 (DC-DC, step-up converter)
I want to use the MCP16417 step-up DC-DC converter for a low power battery powered project. Before implementing the design on a PCB I wanted to try the chip and built the circuit (top circuit on page ...
1
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78
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Step up converter problem PAM2423AECADJR
I have problem with a step up converter made with the PAM2423AECADJR.
I have an input to the converter 3-3.7 VDC and regulated the output to be 5 VDC.
I am driving a DC motor (1.5A max) with the 5 VDC,...
1
vote
1
answer
41
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Step up regulator with fading input
I have an input power source that fades an LED on and off smoothly, from 0 volts to 7.5 volts. I would like to use a 12 volt LED. I have been looking at step up regulators which look suitable for ...
1
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0
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63
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I need help identifying DC/DC converter AH4V55V5S-1W
I need some help identifying the component in the picture above. It is a step-up DC/DC converter. Input is approximately 5V from USB converted to +/- 6.8V. It is used in Micsig’s differential probe. ...
1
vote
0
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135
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How to bypass step-up voltage converter?
I bought this great solar panel unit on amazon that has lithium batteries, 12v input and 12v output. I use it to power a 5v ESP8266 and I have a step down voltage converter from 12v to 5v on my end ...
1
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129
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Single brushed DC motor driver not working when using step up voltage regulator
I'm using this Pololu single brushed drive to control a DC motor. Its voltage working range is from 4.5 to 28V and it works fine when I supply it with two 18650 batteries in series.
I want to make it ...
1
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0
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How can I increse 12V and 0.5A DC to 200V DC?
I am very new in electrical circuits and I need help to create a circuit which would create from 12V and max 0.5A input, output with 200V and some small current. Consequently, I need to regulate this ...