NANOeps – 172 Wh – All-in-one EPS subsystem

Vendor profile

Overview

The NANOeps subsystem consists of a power control & distribution module coupled with a battery management module, featuring a scalable integrated battery pack (up to 172 Wh). This makes it one of the most advanced EPS available for nano and microsatellites platforms. The NANOeps includes active balancing to ensure exceptional lifespan and heating system for optimal protection of each battery cell. It is capable of supplying power through 23 independent channels, three of which are redundant. Additionally, the system features five dedicated deployment actuator interfaces, separation and remove before flight switches, and many other functionalities.

The comprehensive subsystem’s TM (currents, voltages, temperatures, etc.) and TC is provided over cold redundant CAN interface. The NANOeps is fully complaint with up to two NANOeps-AMPPT subsystems.

KEY FEATURES

• Battery Management Module (BMM) and battery pack
• Battery capacity of 172Wh
• Battery lifetime more then 30000 re-charge cycles @ 20% DoD (>80% EOL capacity) - 3 years in LEO
• Superior thermal and chemical stability of LiFePO4 , stable under overcharge or short circuit
• No capacity lost, due to low temperature conditions
• High efficiency Inductive Couple Battery Balancer
• Integrated Autonomous Battery Heaters per each battery cell
• Individually Monitored and Controlled Power Distribution

Power Control and Distribution Unit (PCDU)
• 5x redundant DA interfaces with redundant TLM inputs
• 3x separation switches
• Provided up to 23 dedicated LCL protected output channels
-3V3, 5V, 12V and Unregulated
-Redundant architecture for essential outputs
-Each output channel is adjustable with current up to 5 Amps

Design

• SEE immune design
• Fault-tolerant SoC design
• LUT-based supervisor
• Instant boot up at power on
• Redundant CAN interface for TM/TC
• Fully autonomous satellite diagnostic data acquisition system
• Debug connector for monitoring output channels and battery voltage during integration

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Overview

Name: NANOeps – 172 Wh – All-in-one EPS subsystem
Vendor: SkyLabs
Subsystem: Power Subsystem
Component Type: EPS/PCDU
Form Factor: CubeSat
Heritage: Yes

Vendor Details

Name: SkyLabs
Website: https://www.skylabs.si/
Founded: 2016
Summary: SkyLabs is a space-technology oriented company providing miniaturized on-board data handling solutions and innovative approach to space engineering. Our primary focus is on high-tech, tailor-made solution development, including fault-tolerant hardware and software development, digital signal processing, radiation-hardened-by-design IP core development, fast prototyping, and space/ground segment communication. We are a vibrant team of electrical, mechanical and computing engineers and scientists providing services and technology solutions for the most demanding terrestrial and aerospace applications. By following the latest technology trends we provide innovative solutions with a proactive and creative design approach. Expertise & Competences • Awareness of harsh space radiation environment effect. • RT electronics, FT IP cores and ASIC designs. • Hardware accelerated approach. • Fail safe software development. • RF systems and signal processing. • Mechanical structures and systems. NANOsky avionics • Highly miniaturized cost-efficient avionics with fault-tolerant features. • Radiation hardened by design. • Constant current monitoring and limiting. • SEE immunity. • Innovative error mitigation techniques. • Selective component technology with flight heritage. • Sophisticated three-level FDIR policy. • EDAC protected memories/registers. • Redundancy on all critical functions and thoughtful component selection ensure robustness, • High reliability and availability of the platform. • Compliant with NANOsky CMM™ Software Development Kit AI@Edge support Highly miniaturized cost-efficient avionics with fault-tolerant features. Implementation of superior AI embedded algorithms directly on sub-systems is enabling onboard data analysis, decision-making, and efficient utilization of resources. Solutions for the most demanding applications with very high-performance needs. skyEGSE solutions Turn-key EGSE solutions that enables faster “Time-to-Space”. Cost efficiency, compatibility with major ground station service providers and security features make this an ideal solution for constellation missions. Various options of advanced EGSE equipment and software are available.