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Questions tagged [step-up]

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50 questions with no upvoted or accepted answers
4 votes
0 answers
240 views

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 ...
Manuel Neff's user avatar
2 votes
1 answer
196 views

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). ...
Kevin P. Fleming's user avatar
2 votes
0 answers
199 views

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 ...
Bas's user avatar
  • 473
2 votes
1 answer
98 views

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 ...
HimG's user avatar
  • 21
2 votes
0 answers
41 views

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. ...
oflfo2's user avatar
  • 21
2 votes
0 answers
236 views

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 ...
Aurimas's user avatar
  • 121
1 vote
0 answers
286 views

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 ...
Charly's user avatar
  • 752
1 vote
0 answers
177 views

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 ...
soconnoriv's user avatar
1 vote
0 answers
99 views

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 ...
planespotter5000's user avatar
1 vote
0 answers
78 views

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,...
Johny Arduino's user avatar
1 vote
1 answer
41 views

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 ...
Mark Tickner's user avatar
1 vote
0 answers
63 views

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. ...
Wintermute's user avatar
1 vote
0 answers
135 views

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 ...
CadErik's user avatar
  • 13
1 vote
0 answers
129 views

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 ...
Miguel's user avatar
  • 269
1 vote
0 answers
1k views

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 ...
Jakub's user avatar
  • 69

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