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Autodesk Fusion 360Autodesk
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Voltage regulator board for MCUs to play nice with 2-4S lipos
Main component in this board is not available for purchase as of today 08/20/2022 (sorry)
Bom is printed on board :
J1 - XT60PW-M
C1 - 10uF
C2 - 0.1uF
C3 - 22uF
C4 - 22uF
C5 - 180nF
D1 - Schottky 30V2A
L1 - 2.2uH | 3.3uH
R1 - 560R | 4.02k
R2 - 140R | 1.02k
U1 - LM27342SD | LMR12015XSD
SW_NO - Switch Normally Open
SW_C - Switch Closed
Vcc - 7-16v | 7-20v
You should use the 3.3uH inductor the 4.02k and 1.02k resistors if you are using the LMR12015XSD regulator
Accepts 7-20v and provides a regulated 5v output up to 2A
The BOM runs as follows for prices on Digikey as of publishing
C1 - $0.12 - https://www.digikey.com/en/products/detail/murata-electronics/GRM155R60J106ME05J/13904967
C2 - $0.10 - https://www.digikey.com/en/products/detail/samsung-electro-mechanics/CL05B104JO5NNNC/3887163
C3 - $0.34 - https://www.digikey.com/en/products/detail/kyocera-avx/CM05X5R226M04AH/10821244
C4 - $0.34 - https://www.digikey.com/en/products/detail/kyocera-avx/CM05X5R226M04AH/10821244
C5 - $0.1 - https://www.digikey.com/en/products/detail/yageo/CC0402KRX5R5BB184/5883328
D1 - $0.58 - https://www.digikey.com/en/products/detail/toshiba-semiconductor-and-storage/CMS06-TE12L-Q-M/871538
L1 - $0.89 - https://www.digikey.com/en/products/detail/central-technologies/CTSPMA3010F-2R2M/16041776
R1 - $0.1 - https://www.digikey.com/en/products/detail/stackpole-electronics-inc/RMCF0603JT560R/1712305
R2 - $0.1 - https://www.digikey.com/en/products/detail/stackpole-electronics-inc/RMCF0603FT140R/1713617
U1 - ??? - LM27342SD | LMR12015XSD
The holes are designed to fit Spade terminal connectors, or you can just stick the wires in and solder them down, up to you
https://a.co/d/3uxmXR3
I had a bunch of LM27342SD | LMR12015XSD sitting around so I wanted to use them for something I needed but it looks like they are limited availability now so I don't know how useful this project will be to anyone but in case they come back in stock here y'all go.
Voltage regulator board for MCUs to play nice with 2-4S lipos
*PCBWay community is a shared platform and we are not responsible for any design issues.
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- Engineer Nov 23,2023
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