Smallsat Power Conditioning & Distribution Units
AAC Clyde Space’s SmallSat PCDU (Power Conditioning and Distribution Unit) solutions have demonstrated impressive space-based capabilities stretching across a range of applications, gaining a market reputation for reliability, robustness and performance.
AAC Clyde Space’s SmallSat PCDU (Power Conditioning and Distribution Unit) solutions have demonstrated impressive capabilities stretching across a range of space applications, gaining a market reputation for reliability, robustness and performance. Designed for advanced satellite constellations in LEO and lunar exploration mission-critical electronics, the readily available Starbuck-mini system provides precision and performance.
The Starbuck-mini PCDU is a modular power solution in which modules can be added or combined to offer new configurations or to simply accommodate mission specific requirements. With the addition of the MCC motor controller module, the Starbuck-mini PCDU now has an integrated driver for applications like rover drive wheels, robotic arms, deploy mechanisms or pointing of devices such as cameras or antennas.
High-performance power solution for small satellite platforms. Modular design approach delivers scalability and easy tailoring of interfaces to mission requirements. The MCC module provides control of BLDC or brushed DC motors with hight efficiency. Several drive-modes are supported, including speed, position and torque control. A CAN bus interface is implemented for low level commanding and monitoring.
The MCC module is designed and qualified for five years in LEO. The reliability and qualification levels are chosen to make it suitable for many different mission types. The design is based on using automotive COTS components with verified performance in the space environment. All motors drivers are LCL (Latching Current Limiter) protected to ensure that no failures can propagate to the host system.
Designed for the most demanding missions the Starbuck-mini PCDU MCC modules provides a flexible solution for a system using several different motorised mechanisms, and also lends itself well to implementing redundancy in motor control.
Why the STARBUCK-MINI MCC?
- High-performance motor control solution for small satellite platforms.
- Fully compatible with the rest of the modules in the Starbuck Mini PCDU.
- Modular design approach delivers scalability and easy tailoring to a large range of different missions types.
- Originally developed under an ESA contract targeting exploration missions with extensive testing and analysis.
- Reliability and qualification levels suitable for many different mission types.
- Multiple inbuilt protection methods to deliver mission success.
- Combines COTS and radiation hardened components to optimizes the reliability and performance characteristics.
|Design Life||5-7 years in LEO|
|Max. Battery Voltage||34V|
|Storage Temperature||-50°C to 100°C|
|Vacuum||10¯5 torr (TBD)|
|Operating Temperature Range||-30°C to +60°C|
|Radiation tolerance (TiD)||20 kRAD (qualified >30 kRAD Si)|
|Command interface (redundant)||2 Supports CAN 2.0b (isolated)|
|Internal/ext comm SPI||ADCs|
|Motor power||0-80W each|
|Motor drive voltage||28V nom (21-34V)|
|Motor phase output||6|
|Brake / Heater output||3|
|Motor current sensing||6|
|Generic analog input||7|
|Generic digital input||12|
|Torque sensor input||1|
|Size Weight & Power|
|Mass||~400 grams (PCBA+mech)|
|Input Voltage||28 V|
|Input Voltage||14V and 7V|
|Normal Power Consumption||TBDW|
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