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electrical:12v:diysmartpass [2022/09/10 13:26] frater_secessus [how it works] |
electrical:12v:diysmartpass [2023/06/23 15:15] frater_secessus [20A DC-DC + MOSFET isolator: $224] |
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>> There are no solutions. There are only trade-offs. ― Thomas Sowell | >> There are no solutions. There are only trade-offs. ― Thomas Sowell | ||
- | ==== 20A combo DC-DC + isolator: $172 ==== | + | ==== 20A DC-DC + isolator: $172 ==== |
This is the simplest and cheapest option, but requires ingenuity to keep boosted voltage from leaking back to the chassis. | This is the simplest and cheapest option, but requires ingenuity to keep boosted voltage from leaking back to the chassis. | ||
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The HVD mentioned here is actually LVD/ | The HVD mentioned here is actually LVD/ | ||
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- | ==== 20A combo DC-DC + diode isolator: $173 ==== | + | ==== 20A DC-DC + diode isolator: $173 ==== |
This option is requires no HVD, but has two possible drawbacks: | This option is requires no HVD, but has two possible drawbacks: | ||
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- drop of ~0.5v. | - drop of ~0.5v. | ||
- | * [[https:// | + | * [[https:// |
+ | * [[https:// | ||
- | ==== 20A combo DC-DC + MOSFET isolator: $224 ==== | + | ==== 20A DC-DC + MOSFET isolator: $224 ==== |
Same technology as the Smartpass. | Same technology as the Smartpass. | ||
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Similar to the diode isolator setup above, but with MOSFETS instead of diodes. | Similar to the diode isolator setup above, but with MOSFETS instead of diodes. | ||
- | * [[https:// | + | * [[https:// |
+ | * [[https:// | ||