Questions tagged [step-up]
The step-up tag has no usage guidance.
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Step up converter with MC34063
I have a 24v humidifier that I would like to power using a 12v power supply, so in order to do that, I designed a voltage step up regulator based on the MC34063. But since the humidifier requires a ...
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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 ...
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Power transformer circuit using H-bridge doesn't work as expected
I am trying to step up my AA battery's voltage (which is 8 volts in total) using an ignition coil (which is rated for 12 volts input.)
To drive the coil I am using an H-bridge at a frequency of 50 kHz ...
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Should I use one thick wire or many thin wires in a step-up high frequency transformer to reduce resistance and impedance?
I am planning to make a step up high frequency (hundreds of kHz) transformer. I want to reduce the resistance and impedance in the secondary. Should I use one thick wire in the secondary, or should I ...
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How to best power small loads from 1.5V batteries in a kit? [closed]
I'm trying to build an electronics kit (so THT parts only if possible) that I would like to power from a single AA battery. The circuitry on the kit uses 3.3V 74HC series CMOS parts and should ...
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Can I charge a 4000 mAh Li-po battery with a single TP4056 module?
I bought a single 4000 mAh lithium-polymer battery and connected a step up converter and TP4056 module.
I am providing a circuit image; the only difference between the image and the actual circuit is ...
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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). ...
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Why is the output on my high voltage generator producing more amps than I would expect
I recently bought a high voltage generator of off amazon that apparantly steps up 3-6 volts to 400kV. I wanted to know how much amperage the output woud produce out off curiousity and measured it to ...
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3-phase star transformer connection with no neutral for wind turbine
I built a wind turbine a while back and have been using it to power lights in my house. It gives out 3-phase in star setup with no neutral. Neutral is buried in epoxy resin in the casting.
It feeds ...
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How should I understand this 1.5 V to 90 V voltage step-up network?
I am learning about Jim Williams's avalanche pulse generator.
It is in page 93 of AN47 - High Speed Amplifier Techniques.
I don't understand the circuit's voltage step up network, which is 1.5 V to ...
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Help understanding use of step-up boost converter
I have a Ryobi battery that I'd like to charge from 12V instead of 230V. The charger comes with a power supply that outputs 36V 1.7A, so I thought I could easily replace this with at step-up boost ...
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Using 220-240V 50/60HZ appliance in US - transformer or wiring/combining of two separate phases?
I have an appliance rated to be working in 220V-240V, 50/60HZ. The typical power draw is 1000W, max - 1500W.
For the 240V environment where it is now, the typical/max current draw is less than 5/7A.
...
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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 ...
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low harm taser using a 9v battery and booster [duplicate]
I was trying to build a low harm taser using a 9v battery and boosting it using https://robu.in/product/1000kv-step-up-power-module/?pid=890238 the following booster does to hurt a lot and what would ...
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Reduce noise from step-up switching regulator
I have a sensor that outputs a signal between 0-5V and i set a simple window comparator with open drain output (TLV3402) connected to a micro-controller so i can detect when sensor is below a ...
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