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Q&A How do I design a boost converter? What are the basics I should know?

I need to design a simple boost converter like this: - I want to control duty cycle from another circuit such as an MCU but, I'm unsure how to proceed. My requirements are: - Input voltage 12 vol...

1 answer · posted 4y ago by Andy aka‭ · last activity 4y ago by Andy aka‭

Question boost-converter

#7: Post edited by

Andy aka‭ · 2020-06-21T15:32:35Z (over 4 years ago)

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I need to design a simple boost converter like this: -
![Image alt text](https://electrical.codidact.com/uploads/7C1YD7KSsFtXyWhVz6kbh1FG)
~~I want to control duty cycle from another circuit such as an MCU and I'm unsure how to proceed. My requirements: -~~
- Input voltage 12 volts
- Output voltage 16 volts
- Load resistance is 5 ohms
- Inductor 1μH
- Operating frequency 100 kHz

I need to design a simple boost converter like this: -
![Image alt text](https://electrical.codidact.com/uploads/7C1YD7KSsFtXyWhVz6kbh1FG)
I want to control duty cycle from another circuit such as an MCU but, I'm unsure how to proceed. My requirements are: -
- Input voltage 12 volts
- Output voltage 16 volts
- Load resistance is 5 ohms
- Inductor 1μH
- Operating frequency 100 kHz

#6: Post edited by

Andy aka‭ · 2020-06-21T15:32:01Z (over 4 years ago)

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#5: Post edited by

Andy aka‭ · 2020-06-21T15:29:59Z (over 4 years ago)

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#4: Post edited by

Andy aka‭ · 2020-06-21T15:29:22Z (over 4 years ago)

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#3: Post edited by

Andy aka‭ · 2020-06-21T11:50:51Z (over 4 years ago)

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I need to design a simple boost converter like this: -
![Image alt text](https://electrical.codidact.com/uploads/7C1YD7KSsFtXyWhVz6kbh1FG)
I want to control duty cycle from another circuit such as an MCU and I'm unsure how to proceed. My requirements: -
- Input voltage 12 volts
- Output voltage 16 volts
- Load resistance is 5 ohms
~~- Inductor 1uH~~

I need to design a simple boost converter like this: -
![Image alt text](https://electrical.codidact.com/uploads/7C1YD7KSsFtXyWhVz6kbh1FG)
I want to control duty cycle from another circuit such as an MCU and I'm unsure how to proceed. My requirements: -
- Input voltage 12 volts
- Output voltage 16 volts
- Load resistance is 5 ohms
- Inductor 1μH
- Operating frequency 100 kHz

#2: Post edited by

Andy aka‭ · 2020-06-21T10:52:54Z (over 4 years ago)

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I need to design a simple boost converter like this: -
![Image alt text](https://electrical.codidact.com/uploads/7C1YD7KSsFtXyWhVz6kbh1FG)
I want to control duty cycle from another circuit such as an MCU and I'm unsure how to proceed. My requirements: -
- Input voltage 12 volts
- Output voltage 16 volts
~~- Load resistance is 5 ohms~~

I need to design a simple boost converter like this: -
![Image alt text](https://electrical.codidact.com/uploads/7C1YD7KSsFtXyWhVz6kbh1FG)
I want to control duty cycle from another circuit such as an MCU and I'm unsure how to proceed. My requirements: -
- Input voltage 12 volts
- Output voltage 16 volts
- Load resistance is 5 ohms
- Inductor 1uH

#1: Initial revision by

Andy aka‭ · 2020-06-21T10:51:48Z (over 4 years ago)

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I need to design a simple boost converter like this: -

![Image alt text](https://electrical.codidact.com/uploads/7C1YD7KSsFtXyWhVz6kbh1FG)

I want to control duty cycle from another circuit such as an MCU and I'm unsure how to proceed. My requirements: -

 - Input voltage 12 volts
 - Output voltage 16 volts
 - Load resistance is 5 ohms

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