Questions tagged [buck]
A non-isolated DC-DC converter topology which outputs a voltage less than or equal to the input voltage.
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What is an intuitive explanation on how a buck and boost converter transfer energy?
I can understand how a buck converter can step down the voltage but only with the formulas. I am struggling to understand intuitively how the inductor stores energy and releases it in a way so that ...
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Powering 24 V and 12 V device simultaneously from two 12 V batteries
I have two devices which need to be battery-powered (remote area, no grid power available). One device requires 24 V, the other requires 12 V. Both are very low amperage (~50 mA).
Can I use my two 12 ...
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Question on Turn-off Snubber Operation
I'm struggling to understand how this snubber circuit reduces power loss during the off time for this buck converter. Anybody able to explain it's operation / what is happening for each component ...
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Buck converter (LTC3330) voltage spikes in output voltage and in PGVOUT during transient
I am using Linear Technology LTC3330 (2048A evaluation board) buck converter with VIN thresholds set at 10V and 5V. The output set voltage is 3.3V. Inductor is 22uH. The input capacitor is 200uF and ...
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Inductor energy storing in buck converter
I am trying to understand inductor energy storing during ON time in buck converter.
Energy stored in inductor of buck converter is (Input Power -Output Power)*Ton
Lets say output power is 5 W and ...
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Using a coupled inductor in a multi phase buck converter - how to set the inductor dot notation and converter PWM for best ripple reduction
Based on these Charles Sullivan papers, we can use a coupled inductor in a multi phase converter to reduce inductor ripple current.
https://www.princeton.edu/~minjie/files/sullivan-CICC-2021.pdf
http:/...
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Input capacitance estimation for a buck converter
To estimate minimum input capacitance required for a buck converter to help with power stability & noise suppression, I came across below equation by TI.
https://www.ti.com/lit/an/slyt670/slyt670....
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PI filter for two buck drivers for a low-emi solution
I'd like to save space on a circuit that uses two buck LED drivers. The circuit is designed for a low EMI solution and there are two separate PI filters on each Vin pin (recommanded on the datasheet). ...
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How to remove huge startup current spikes in charger circuit? [closed]
I am building solar USB charger model in matlab simulink. It uses solar panel as main power source and body consists of 2 buck converters and a battery. First buck converter has output capacitor(...
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Inductor magnetic field collapses during switching?
SEE EDITS BELOW
I'm running into some problems with my Buck converter design. During the switching period the inductors magnetic field seems to collapse, which generates some large voltage peaks. That'...
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LM2576HVSX12NOPB blew up on 48V 10A PSU input
this is my schematic project for BLDC controller. the design have dc converter, mcu and gate driver. the dc converter is required to power the mcu and driver with 12 V and 5V. the problem is my dc ...
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How can a current probe avoid saturation?
It is a buck converter, And I want to know how current probe can avoid saturation.
Turns ratio is 1:1000. And DC makes transformer saturation.
So... How can probe avoid saturation?
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Current flow from Output To Input of my Buck Converter
I just made my buck converter, this is gonna used in MPPT project. I use simple buck converter in this project.
My problem is when I connect battery to output of buck converter, then electricity is ...
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AOZ2261 buck switching regulator doesn't give reasonable output
I am designing a brushed motor driver unit that controlled with a ln STM32F410 microcontroller and a DRV8243S H-bridge driver. I am using an AOZ2261NQI-12 to supply the H-bridge driver.
The IC is ...
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Buck converter current
I have this synchronous buck converter.
Input voltage - 8.7V
Output voltage - 5V
Switching frequency - 350kHz to 450kHz
Output load current is 2A
Schematic:
I have an input capacitor of 68uF and an ...
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