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Develop ultra capacitor power supply and LiFePO4 battery power supply
Develop ultra capacitor power supply and LiFePO4 battery power supply
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Old 4th July 2020, 09:18 PM   #1141
Arunas B is offline Arunas B  Lithuania
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For the fifo pi clean side use universlal 3.3v conditioner by bypasing On board 5v to 3.3v regulator.
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Old 4th July 2020, 09:28 PM   #1142
NicMac is offline NicMac  Italy
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Develop ultra capacitor power supply and LiFePO4 battery power supply
Quote:
Originally Posted by Arunas B View Post
For the fifo pi clean side use universlal 3.3v conditioner by bypasing On board 5v to 3.3v regulator.
For the clean side of FifoPi I am thinking to use a ConditionerPi (or UcConditioner5V) to "pre-buffer" separate local 3V3 regs (x4) on FifoPi (x1 for XO) and DAC HAT (x3).
I prefer local separate regulation so a 3V3 conditioner is not useful to my purpose.
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Old 4th July 2020, 09:42 PM   #1143
iancanada is offline iancanada  Canada
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Develop ultra capacitor power supply and LiFePO4 battery power supply
@NicMac

As I understand it the UcConditioner has the advantage of larger capacitance, while the ConditionerPi has the advantage of being closer to the load (part of the stack).

Yes, Correct!

Could a second ConditionerPi be used to buffer the 5V rail for the clean side of FifoPi and DAC HAT?

It's good to use ConditionerPi to power a RPi through GPIO.
But for FifoPi clean side, I suggest use an UcConditioner


Ian
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Old Yesterday, 11:17 AM   #1144
laserscrape is online now laserscrape
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As AKM DAC user, what is the ideal way to use LiFePo for 5V? Are we stucking using a regulator?

I am considering using NiCd cells, at 1.2V each this can get within the recommended supply range of 4.8V.
Thankfully NiCd seem to be some of the better performing cells after Lithium, not the ultimate battery supply but supplemented with a range of caps from ucaps to small film caps it should be be pretty close .

Last edited by laserscrape; Yesterday at 11:24 AM.
 

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