libresolar / mppt-1210-hus Goto Github PK
View Code? Open in Web Editor NEWMPPT solar charge controller with dual USB ports
License: Other
mppt-1210-hus's Issues
LS_DRV and Q2 interaction
I'm wondering why Q2 gate is connected to LS_DRV signal. I'd have understood if it was connected to a STM32 GPIO as a way to prevent current flowing in reverse from the battery to the solar panel.
In the current schematic, in normal operating conditions, wouldn't Q2 enable/disable with LS_DRV, thus preventing some current to flow from the solar panel when "charging" the inductor and, as such, reducing the efficiency of the DC/DC buck stage and reducing Q2 life expectancy ?
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