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Mezzanine Power board for Raspberry Pi
Mezzanine Power board for Raspberry Pi
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Old 15th December 2017, 03:51 PM   #1
oxothuk is offline oxothuk  United Arab Emirates
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Join Date: Mar 2012
Location: Umm Al Quwain
Default Mezzanine Power board for Raspberry Pi

I am using my Raspberry Pi as a network media player and cannot find a simple solution to feed my Raspberry and HAT DAC with quality power. Finally I made a simple board which can be used as HQ power source for both Raspberry Pi and HAT modules, and can be configured according your requirements.

Mezzanine Power Board can be installed between Raspberry Pi and HAT module and can provide up to 4 outputs to power PI, HAT and other devices which might require quality power source.

Module A – LT3086 Linear Regulator, 5.5VDC 2.1A, used as pre-regulator for Modules B/C/D/E, can be bypassed

Module B – TPS7A8300 low-noise, low-dropout voltage regulator (LDO) capable of sourcing a 5V 2A power for Raspberry Pi

Module C – LT3045 based ultralow noise, ultrahigh power supply ripple rejection (PSRR) low dropout voltage linear regulator can provide 5V 0.5A (1A for dual LT3045 C1+C2 installed) for HAT modules

Module D – LT3045 based ultralow noise, ultrahigh power supply ripple rejection (PSRR) low dropout voltage linear regulator can provide 3.3V 0.5A for HAT modules (or can be configured for any output 0-5V)

Module E – LT3045 based ultralow noise, ultrahigh power supply ripple rejection (PSRR) low dropout voltage linear regulator can provide 1.8V 0.5A (or can be configured for any output for 0 to 5VDC)
5V PI rail and 5V Hat rail can be connected together; in this case module B (or C1+C2) can be used to power both PI and HAT boards, same for 3.3V rail (by default it is connected, but if module D is installed and connected to HAT 3.3V rail, 3.3V PI rail is disconnected from HAT rail)

Below you can find some images for the "Light" version (only Module B installed) and "Full option" Board.
Attached Images
File Type: jpg PiPower-7905-WEB.jpg (543.7 KB, 657 views)
File Type: jpg PiPower-7908-WEB.jpg (733.5 KB, 644 views)
File Type: jpg PiPower-7909-WEB.jpg (461.5 KB, 628 views)
File Type: jpg PiPower-7914-WEB.jpg (472.9 KB, 621 views)
File Type: jpg PiPower-7919_WEB.jpg (732.6 KB, 618 views)
File Type: jpg PiPower-7924-WEB.jpg (666.0 KB, 213 views)
File Type: jpg PiPower-7932-web.jpg (696.0 KB, 225 views)
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Ultra Low Noise Power Solutions.
www.ldovr.com

Last edited by oxothuk; 15th December 2017 at 05:35 PM.
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Old 16th December 2017, 06:00 AM   #2
CallMeMike is offline CallMeMike  United Kingdom
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Quote:
Originally Posted by oxothuk View Post
............Mezzanine Power Board can be installed between Raspberry Pi and HAT module and can provide up to 4 outputs to power PI, HAT and other devices which might require quality power source.........
Very tidy power solution I'll keep checking your site www.ldovr.com for availability and pricing...
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Old 17th December 2017, 01:20 PM   #3
Globulator is offline Globulator  United Kingdom
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Quote:
Originally Posted by CallMeMike View Post
Very tidy power solution I'll keep checking your site www.ldovr.com for availability and pricing...
Your link gives:
Error 404 - Forum Page Missing
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Old 17th December 2017, 01:24 PM   #4
levistubby is offline levistubby  United Kingdom
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The link at the bottom of the first post works.
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Old 19th December 2017, 05:01 PM   #5
gainmona is offline gainmona  Italy
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Hi,

great solution,
what is the price for one board with module A+B?

Thanks in advance.
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Old 23rd December 2017, 02:48 PM   #6
oxothuk is offline oxothuk  United Arab Emirates
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Join Date: Mar 2012
Location: Umm Al Quwain
listed @ www.ldovr.com

early bird 20% discount code

MpowerMidofJan
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www.ldovr.com
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Old 20th January 2018, 08:04 PM   #7
anhton82 is offline anhton82  Viet Nam
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Join Date: Dec 2017
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Hi Oxothuk !
I use combo Pi3 + DigiOne, so I order 4 Modules B for Pi3 ,C (C1+C2= 5V1A) + D +E for DigiOne should be OK ?

Last edited by anhton82; 20th January 2018 at 08:21 PM.
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Old 21st January 2018, 12:56 AM   #8
anhton82 is offline anhton82  Viet Nam
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Originally Posted by anhton82 View Post
Hi Oxothuk !
I use combo Pi3 + DigiOne, so I order 4 Modules B for Pi3 ,C (C1+C2= 5V1A) + D +E for DigiOne should be OK ?
Sorry I'm wrong. Pls help me to config modules !
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Old 21st January 2018, 06:55 AM   #9
oxothuk is offline oxothuk  United Arab Emirates
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Join Date: Mar 2012
Location: Umm Al Quwain
Hi
Not sure, but seems DigiOne feeded with only 5VDC from the PI GPIO
in this case B and C1 is enough (but again, need to know Digione power requirements), you need to provide 6VDC input.

Please note that Digione have isolated DCDC converter and onboard filter/regulators.
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Old 21st January 2018, 09:35 AM   #10
anhton82 is offline anhton82  Viet Nam
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Originally Posted by oxothuk View Post
Hi
Not sure, but seems DigiOne feeded with only 5VDC from the PI GPIO
in this case B and C1 is enough (but again, need to know Digione power requirements), you need to provide 6VDC input.

Please note that Digione have isolated DCDC converter and onboard filter/regulators.
Thanks for your help. I want to supply power for Pi saperate as picture bellow, so is this modules is better than it?. Pin 2,4 of PI GPIO is supply 5V for DigiOne. I think module C1 (1A) is ok for it.
http://www.hdvietnam.com/attachments/basic-png.260416/http://www.hdvietnam.com/attachments/basic-png.260416/
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