Questions tagged [step-up]

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LTC3862-2 Step Up problem, output voltage drop

I'm designing a solenoid powering and control device which is centered around the LTC3862-2 Step Up controller (see datasheet). I have taken as a design start point the typical application shown in ...
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32 views

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. ...
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1answer
36 views

Switch ON/OFF in MAX1709

I am designing a project where I'm going to use the MAX1709 step-up converter. There is a possibility to switch the converter ON/OFF with the help of ONA/ONB inputs, but according to schematic in the ...
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1answer
38 views

Controlling output voltage using Arduino

I want to control the temperature of a heat pad, which heats up using a power and ground pin, and is controlled by a pressure sensor. The micro controller I am using runs onl 3.3V but the desired ...
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1answer
91 views

Particle Argon controlling 12V, using 3.7V LiPo

I am trying to control a 12V DC motor using a Particle Argon, powered by a 3.7V LiPo. To get 12V I am using this step up regulator, and to control the motor I am using this DC motor controller. I am ...
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299 views

Use multiple batteries in series vs Using a boost converter

I have encountered a circuit that totally confuses me: I have a simple LED flash light that came with my electric bicycle. The flash light is designed to work with a range of 24V-36V so it can be ...
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1answer
58 views

Step-up (boost) voltage regulator

I recently purchased a step-up converter, the specifications state that it can boost 5 V to 30 V with varying input voltages. The reason I purchased it was because the charger for my handheld vacuum ...
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0answers
586 views

MOSFET for PSU switching

I want to make a Bench power supply unit based on: For initial AC to DC conversion - ATX PSU (Enermax EG365AX-VE 350W) capable of providing 12V 26A Internally Step up module for powering the below - ...
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1answer
241 views

Step-up converter with Vin, Vout, GND

I want to use pololu step-up converter https://www.pololu.com/product/2836 in order to power a 5V device with two Ni-Mh batteries (1.3V each). It has only Vin, Vout and GND connectors. I've checked ...
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25 views

Dedicated li-ion step up drivers

I have a design which will include the optional use case of boosting up to 7V from a li-ion battery. I can't seem to find any drivers dedicated to li-ion for this? There seem to be a few buck boost ...
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1answer
426 views

geiger tube dc power supply

I have one of these HV dc converters and I was wondering if I can use it to supply a small Russian SMB21 Geiger muller tube. What other parts would I need to add not to fry the GM tube? Keep in mind I ...
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0answers
55 views

How to power a 12V 0.05A computer fan? [duplicate]

I have a Noctua NF-F12 computer fan (specs: https://noctua.at/en/nf-f12-pwm/specification). I also have a Samsung USB Wall Adapter (Originally for charging my tablet). The USB Wall Adapter says it can ...
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2answers
73 views

Can I swap capacitor Ratings

I have found this tutorial but don't have a 0.1uF Capacitor. I am an amateur when it comes to electronics, but I don't know if I can swap 0.1uF for a 1uf or 1.5uf. Any help would be greatly ...
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1answer
270 views

Is it possible to drive a 12V DC motor with XL6009?

I am a beginner in robotics. I am planning to drive a 12V DC motor from Raspberry Pi 2 B . I know Pi does not have that capacity to drive such a device , so I am using L293D motor driver to control ...
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2answers
118 views

DC 12 V to 2000 V circuit

I want to design a battery operated pest trap (electrocuter). So far I have found out that the electrocuter snaps the insect at about 2000 V when it completes the circuit by landing on 2 nearby wire-...