Solar Space

EPS I PLUS
Flight-proven Electric Power System (EPS)

Feautures :
Input Channels - 3 (one for each CubeSat axis)
Input Voltage (Per Solar Panel Channel) - up to 5.5 V
Input Current (Per Solar Panel Channel) - up to 1.8 A
Integrated Blocking Diode - for each solar panel connector
Battery Pack Power - 20.4 Wh (10.2 Wh with EPS I)
Battery Pack Voltage - 3.7 V nominal
Mass - 298 g
Stackable Battery Packs - up to 8 A
Output Power Buses - 3.3 V, 5 V, BCR (5 V max) and Battery raw
Interfaces - UART, I2C, USB-C
Switches - Two deployment and one Remove Before Flight (RBF)
Control - Six general purpose outputs for shutdown/reset of external modules
Interfaces - UART, I2C, USB

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EPS II + аккумуляторная батарея
The next generation of NanoSat and MicroSat Electric Power System (EPS)

Feautures :
Input Channels - 3 per battery pack
Redundancy - Fully redundant Solar Panel connectors
Input Voltage (Per Solar Panel Channel) - 10 to 36 V
Input Current (Per Solar Panel Channel) - up to 4 A
Stackable Battery Packs - up to 4 packs for a maximum power of 1 kW
Current Limitation - Configurable both for input and output channels
Integrated Blocking Diode - for each solar panel connector
Charge/Discharge Mode Voltage And Heater Thresholds - configurable
Standard Battery Pack Capacity - 80.4 Wh
Standard Battery Pack Voltage - 35.1 V
Mass (EPS + Battery Pack) - 1280 g
Output Power Buses - 2x3.3 V, 2x5 V, 1xProgrammable (6-12 V) and Battery raw
Switches - Deployment and Remove Before Flight (RBF)
Interfaces - RS-485, USB

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4U Solar Panel 40P6

Power Efficiency: ≥30%
Max Power: 9.63W
Effective area (8 solar cells): 241.2cm²
Internal By-Pass Diode: reverse bias protection
Solar Cells Thickness: 155μm ± 15μm
Sensors: Temperature and Sun (optional Gyroscope)
RBF: Available with Remove Before Flight pin
Voltage at max Power: 9.32V
Current at max Power: 1034mA
Panel Dimensions: 192.6mm x 166.2mm
PCB Thickness 1.6mm
Mass: ≤170g

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