Questions tagged [buck-boost]
A non-isolated DC-DC converter topology
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Slow Start on 12V DC Motor
I am designing a small mechanical device that makes use of a 12VDC motor. I am trying to stick with components that can be easily sourced from Amazon or other hobby electronics stores so that others ...
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Calculating inductor value for my buck converter [duplicate]
I'm trying to understand the SMPS operation.
The goal is to select inductor (L1) & capacitor (C1) values that satisfy the working condition below:
V1: 22-26 V range.
Power supply required: 1 A.
...
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Buck/boost converter behaviour when MCU is sleeping
I'm building an optical wireless mouse based on nRF52833 and a 16340 cell, I need a sanity check on some considerations regarding the DC regulation.
The battery voltage goes from 4.2V when fully ...
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Synchronous buck battery charging circuit using totem pole gate driver
Background - We are trying to develop a very low cost buck (day time)/boost (night time) converter for charging LFP batteries (day time) and powering LED (night time). Due to cost impact we are trying ...
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Protecting other circuits from Geiger power supply
I'm designing a Geiger counter power supply that boosts 3.3 V to 500 V.
The circuit is a basic voltage booster.
3.3 V power line is directly connected to inductor where high voltage is generated. How ...
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10 kVA Single Phase Transformer, 120 V x 240 V Input | 16 V x 32 V Output
I have a system that is running on 208 VAC. I plan to use a 10 kVA buck boost transformer to power two electrodes. The transformer has input connections for 120 & 240 V, & output connections ...
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Can I connect an off-the-shelf boost converter and a buck converter end to end?
I have a 9~15 volt source (a battery) that I need to turn into stable 12 volts efficiently. The load (a graphics card) will draw up to 200 watts. Can I just get a boost converter and a buck converter ...
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What would be the "best" way to design a buck/boost circuit to convert 9Vdc to 10V and 5V?
I have an old console that I'd like to convert to USB-C that requires both 10V 1A and 5V 2A. Ideally, I'd like to run it off a 9V 2.2A source, so that it can be powered with a commonly available 20W ...
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MOSFET Driver, Synchronous Buck vs. Synchronous Boost
I am trying to understand the difference between synchronous buck MOSFET drivers and synchronous boost MOSFET drivers.
I have a full bridge converter which can also only be used as buck or boost.
I ...
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Determining the switching frequency of a buck-boost converter
I wanted to try to design a buck-boost converter (instead of buying it) to drive an electromagnet. I have a 12 V source and I want to have an output of 24 V and at least 200 mA. As input I'm using a ...
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Supercapacitor to prevent temporary power supply voids
Hello and sorry for the improper title!
We need to transmit about 50 W (5 V 10 A) through a slip-ring-ish to drive some rotating electronics and LEDs.
We are using a 5 V 25 A LED power supply.
We are ...
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Bluetooth speaker - power supply
I have some 10 W, 8 Ω speakers. I'm building a Bluetooth speaker set. I've hooked up a 3.7 V, 8000 mAh portable charger battery to an XL6009 buck converter to pump it to 9 V.
I have a Bluetooth audio ...
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Li-Ion Battery Array: V.out ≥ 3.5 [V], I.out ≤ 1 [A] : No voltage regulation? Boost? BuckBoost? SeriesxParallel — 1x4? 2x2?
With a lithium ion cell array as follows:
n.cell = 4.0 [-]
V.cell.max = 4.2 [V]
...
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Separating 5v and 12v circuits using diodes, converters, and switches
I have drawn out a project with multiple power options.
I am wondering if any of these reverse current protection diodes can be left out.
If the double pole double throw switch can be replaced by a ...
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DC-DC boost regulator selection question (TPS61230A) [closed]
I am a product designer self-learning electrical engineering, not an electrical engineer.
In trying to design a wearable device, I've run into some difficulty in selecting a DC-DC boost regulator.
The ...
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