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The Electrical Power System has been designed to harvest, store and distribute energy for the FloripaSat I cubesat mission. The energy harvesting system is based on solar energy conversion through six solar panels attached to the FloripaSat structure. The EPS is designed to operate the solar panels at their maximum power point. The solar energy harvested is stored in two lithium-ion batteries connected in series. The energy distribution is done by several integrated DC-DC converters. The full EPS system is composed of the solar panels, the EPS PCB, the Batteries PCB and the External Batteries Charger PCB.
- Compatible with Gomspace Solar Panels or panel of similar characteristics
- Compliant with CubeSat standard
- Low power MSP430 MCU up to 20 MHz
- Maximum power point tracking
- Overvoltage, undervoltage, overcurrent and short circuit protection for the batteries
- Consumption measurement capability
- Solar panels power measurement capability
- Batteries electrical measurements capability
- One 3.3V/1A, two 3.3V/2A, one 5V/3A, two 5V/5A, one battery voltage supply output pins
- Seven temperature measurements with high accuracy
- Operates on five energy levels
- Low power operation capability
- Board for batteries support
- Board to control the external charging of the batteries before the flight
To use the EPS PCB the board needs to be properly powered-on and the code needs to be flashed to the MCU. To accomplish this the Build and Upload tutorial should be followed, along with one of the Power-on tutorials.