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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    Diode MAIN is for temperature sensing of switching MOSFETS. It will switch off Tps12110 when temperature will be too high. IMON main is...
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    Braking resistor circuit. It will dump excess energy to, power resistor. Scheme explanation in other post in forum. The size of the...
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    LM5050 circuit is acting as a ideal diode. TVS/ capacitors are for suppressing the transient spikes, during MOSFET ON/OFF transition...
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    Additional voltage converters are needed because Tps12110 as a safety feature need to isolate ground. Ground of Tps12110 are...
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    Linear voltage converter is to supply 3.3V. It is located after the Tps12110 switch. Tps12110= off = no voltage from converter...
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    Values of resistors can be calculated using XLS file.
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    When settings values for Inrush control it should be used part of XLS: Calculations for Bootstrapped capacitor, CBST during Inrush...
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    TVS diode and capacitors are meant to suppress transient spikes in line input. In example when connecting the battery (sparking) or...
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  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    Lm5050 https://www.ti.com/lit/gpn/lm5050-1 https://www.ti.com/lit/pdf/slvae57 https://www.ti.com/lit/pdf/snva458 Ina226...
  • R
    RD123 replied to the thread Landrumower Protected&Cool MOD.
    (...) Is the MainPCB usable now?(...) Hard to tell. It is still not tested. I will answer that question in 2-3 week time. At the...
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  • Silberstreifen
    Silberstreifen reacted to Sascha's post in the thread Umbau Worx Landroid WG795e Type 1 with Like Like.
    Ja so ist der Plan, die SMD Sachen sollen gleich bestückt werden, so das man nur noch die Stecker und Stiftleisten einlöten muss.
  • Sascha
    Sascha replied to the thread Umbau Worx Landroid WG795e Type 1.
    Ja so ist der Plan, die SMD Sachen sollen gleich bestückt werden, so das man nur noch die Stecker und Stiftleisten einlöten muss.
  • Silberstreifen
    Interessant finde ich die schon, allerdings nur, wenn man diese gleich SMD-bestückt bestellt. Ansonsten sind Semi-Leien wie ich da...
  • Sascha
    Sascha replied to the thread Umbau Worx Landroid WG795e Type 1.
    Ich hoffe das ich nächste Woche mal Zeit habe, dann schaue ich mir die Landrumower MainPCB noch mal an, welche hier im Forum rumgeistern...
  • A
    adamant reacted to RD123's post in the thread Landrumower Protected&Cool MOD with Like Like.
    -added optional safety braking resistor circuit for BLDC driver especially for MOW motor. Why? Bldc motor act as a GENERATOR when...
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