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Buck converter with pass transistor
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Topic: Buck converter with pass transistor (Read 644 times)
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anishkgt
Frequent Contributor
Posts: 769
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Buck converter with pass transistor
«
on:
May 24, 2020, 12:04:29 am »
Hey All,
First time here so i did not find an appropriate category for my Title.
I am trying charge a bank of capacitors BCAP0360 in a 3s2p configuration. The Buck converter U1 (AP3211) sets the output voltage at 8.1v and a bypass N-MOSFET Q1 (SQP60N06) to charge at a higher current.
Questions:
I am just not sure if i have Q1 connected the correct way to function as a bypass transistor for higher current about 50A (Max).
Is the inductor necessary here ? Would the inductor be able to handle the rated current ?
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TheHolyHorse
Regular Contributor
Posts: 179
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You don't need to be confused, just understand it.
Re: Buck converter with pass transistor
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Reply #1 on:
May 26, 2020, 04:57:11 am »
The AP3211 has an internal switch, SW pin. Inductor, diode and output caps should be connected to that pin. I suggest you look at the example in the datasheet.
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Buck converter with pass transistor
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