Recent content by Frzoen

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    TSDZ2 EBike wireless standard (like Specialized Turbo Levo) - OpenSource

    Basically fitting them on a board isn't a problem if I will make it double sided. I wanted to stay on single sided to reduce cost of assembly but maybe it's not worth it right now. Also i wanted to fit everything on smallest possible board but maybe this goal is also not worth it. Now i made...
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    TSDZ2 EBike wireless standard (like Specialized Turbo Levo) - OpenSource

    Hi g4eml! Totally agree. I feel dum dum right now. My brain went on vacation i think. :? There is some confusion in schematic... Visible part is of course SSM6K361NU which is indeed N FET (same as symbol) but value for it is SSM6J507NU (P FET...) ... that cannot work in this configuration...
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    TSDZ2 EBike wireless standard (like Specialized Turbo Levo) - OpenSource

    Hi again, delayed again... I've cleaned project and give it last touch. Below is link to the repo. V1.0.0 tag comes with pre-generated gerbers. https://github.com/Frzoen/TSDZ2-NRF-module-board Soon we'll have boards and parts for testing. For now, have a peak into schematic if it looks ok...
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    TSDZ2 EBike wireless standard (like Specialized Turbo Levo) - OpenSource

    Hi after delay :D So basically I've came up with this. Minimal setup that from my calculations should work. There are no parts on the back of the board :D Power supply is only 100mA but for NRF-dongle and control of one mosfet it should be plenty. There is hole to tie the cables to the board...
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    TSDZ2 EBike wireless standard (like Specialized Turbo Levo) - OpenSource

    Yes, connectors are optional but the holes will stay 8) If the TSDZ2_VIN is just signal pin then there is no need to use BTS4140N as power switch with current limiting. I would use something like SSM6K361NU from Toshiba with additional PTC fuse for safety. They can be directly controlled with...
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    TSDZ2 EBike wireless standard (like Specialized Turbo Levo) - OpenSource

    I will add those holes to the design (again with 3D model of the connector - yea, i love to add connectors to everything :lol: ) It's rated for 500mA and up to 75V input. Depends on what You want to power with it. Btw. i'm a newbie in space of TSDZ2. Is the TSDZ2_VIN pin only control signal or...
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    TSDZ2 EBike wireless standard (like Specialized Turbo Levo) - OpenSource

    Hi everyone! So, basically I've designed mentioned by @lasercat board. Let me justify my decisions :) ad 1. The connector doesn't have to be mounted :) It is there just in case. I can make it DNP for early production. ad 2. My experience with smd mounted modules is different, never had problem...
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