LVSolarBuck
The LVSolarBuck is our low-voltage solar MPPT buck charger — a 3-level GaN FET buck converter with active flying capacitor control.
Key specifications (preliminary)
Section titled “Key specifications (preliminary)”| Parameter | Value |
|---|---|
| Solar input | 45–150 V DC |
| Output | 45 A at 48 V bus voltage |
| Continuous power | 2.3 kW |
| Start condition | Panel voltage ≥ 5 V above bus voltage |
| Target efficiency | 98%+ |
Planned content
Section titled “Planned content”- Electrical specifications and operating limits
- Schematics, PCB design files, and BOM
- Firmware, SCPI test drivers, and build instructions
- Assembly and repair guide
In the meantime, see the project overview on the main site or browse the source on Gitea.