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Hardware and software for an MPPT solar charger. It uses an SZBK07 DC converter module, a MOSFET diode. The main software is in the form of an MPPT library header file.

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SolarChargerSZBK07ModuleV2

Hardware and software for an MPPT solar charger. It uses an SZBK07 DC converter module, a MOSFET diode. The main software is in the form of an MPPT library header file.

There are 2 versions of the schematic. The original design was suitable for a 60-cell solar panel with an MPP voltage of 30 volts. The additional version is suitable for a 36-cell solar panel with an MPP voltage of 18 volts. The difference is in the design of the MOSFET diode, which in the original design uses an N-channel MOSFET and relies on there being a significant voltage difference between the panel voltage and the battery voltage. The second design uses a P-channel MOSFET and derives its bias voltage from ground, and so does not rely on panel voltage.

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Hardware and software for an MPPT solar charger. It uses an SZBK07 DC converter module, a MOSFET diode. The main software is in the form of an MPPT library header file.

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