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, resiliency and performance.
Designed for optimized reliability with performance fail-safes, the state-of-the-art STARBUCK-MINI offers advanced power management with 1500W system power.
With the ability to utilise either a Direct Energy Transfer or Maximum Power Point Tracker architectures, these larger EPS units are able to meet most small satellite mission demands.
AAC Clyde Space’s small satellite 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, resiliency and performance. STARBUCK-MINI provides high power 28 V outputs and redundancy for power distribution as well as redundant command and control interfaces via CAN or RS422. Its innovative design combines COTS and radiation hardened components to optimizes the reliability and performance characteristics of the ITAR free system
Designed for optimized reliability with performance fail-safes, the state-of-the-art SmallSat PCDU STARBUCK-MINI offers advanced power management with 1500W system power. The STARBUCK-MINI adopts a modular design approach which enables easy customization. The adaptable system utilizes flexible add-ons to meet the required number of power output interfaces for payloads on each specific mission and can be quickly adapted to customer product specifications. Integration of interfaces for deployment mechanisms, magnetic torquers and other equipment can also be accommodated through the addition of custom modules.
Power
With 1500 W system power, 28 V nominal bus and battery voltage with power converters for isolated auxiliary output.
High-power 28V outputs & redundancy for power distribution, as well as FPGA based control & monitoring of all switches & interfaces through redundant CAN or RS422.
Performance
High-performance power solution for small satellite platforms. Modular design approach delivers scalability and easy tailoring of interfaces to mission requirements. With MPPT or S3R battery charge regulation for advanced power management.
Reliability
Reliability and qualification levels suitable for many different mission types. COTS components with verified space performance combined with radiation hardened components. All outputs protected by Latching Current Limiters (LCLs) or Retriggerable LCLs (RLCLs). With support for redundant power supply to consumers.
Why the STARBUCK-MINI?
High-performance power solution for small satellite platforms.
Modular design approach delivers scalability and easy tailoring of interfaces to mission requirements
With Maximum Power Point Tracking or S3R battery charge regulation for advanced power management.
Reliability and qualification levels suitable for many different mission types.
Multiple inbuilt protection methods to deliver mission success (we’ve got your back!)
Combines COTS and radiation hardened components to optimizes the reliability and performance characteristics of
the ITAR free system.
Technical Specifications
General
Design Life
5-7 years in LEO
System Power
1500 W
Primary Bus Voltage
22-34 V
Secondary Bus Voltage
5; 8; 12 or 15V with isolated ground
Battery Regulation
MPPT or S3R
Idle Power Consumption
10W
Operating Temperature Range
-30°C to +60°C
Radiation (TiD)
20 kRAD (qualified >30 kRAD;Si)
Mass
3300 g
Electrical Interfaces (baseline configuration)
Primary Bus High Power (up to 10 A) Outputs
4 individual protection (LCL)
Primary Bus Nominal (up to 3A) Outputs
12 individual protection (LCL or RLCL)
Secondary Bus Outputs
12 individual protection (LCL or RLCL)
Solar Array Interface
4 x 120 W triple junction panel strings (expandable to 12 strings)
Dimensions
Height
147 mm
Depth
249 mm
Width
123 mm (baseline configuration)
Telemetry and Control Interfaces
TM/TC
CAN or RS422 serial inter-face (redundant) Redundant flash-based FPGA controllers
Telemetry
Bus voltage; Battery current; Internal unit temperature; Internal unit voltages; LCL status; Individual LCL currents
The AAC Clyde Space STARBUCK range of Electrical Power Systems are the cornerstone of any mission, with hundreds of systems delivered and no on-orbit failures reported you will struggle to find a more reliable option.
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