Compact Electrical Power System

Power up your nanosatellite mission with the ISISPACE second generation Compact Electrical Power Systems (ICEPS2), which are ideal for your CubeSat missions, typically up to 3UXL. This reliable, off-the-shelf EPS offers unparalleled performance and reliability. With intelligent features like autonomous battery heating and hardware-based Maximum Power Point Tracking (MPPT), the ICEPS2 ensures optimal power delivery through a maximum of 6 voltage domains.

Type

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The three variants of ICEPS2 are:

Type A: Integrated 2 Li-ion cell battery pack

Type B: Modular 4 Li-ion cell battery pack

Type C: Modular 4 Li-ion cell battery pack with daughterboard, which allows customisable voltage domains

DataSheet

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Product Specification

Mass	Type A: 184 ± 5 g Type B: 310 ± 5 g Type C: 360 ± 5 g
Volume	Type A: 96 x 92 x 26.45 mm (PCB and top battery) Type B: 96 x 92 x 11.34 mm (PCB B only) Type C: 96 x 92 x 15.95 mm (PCB C only) Type B/C: 94.4 x 89.3 x 21 mm (4-Cell Battery Pack)
Operating Temperature Range	– 20°C to +70°C
Energy Storage	22.5Wh (Type A) 45Wh (Type B/C)
Output Voltage Domains	VD0: Unregulated voltage (1 channel) VD1: 5V (4 channels) VD2: 3.3V (4 channels) Customisable lines via the DB (3 channels)
Main Bus Organisation	Unregulated Bus
Functional Protection	Emergency Low Power Mode (when Bus voltage low) Hardware Supervisor including Watchdog Software stack reset capability Onboard housekeeping measurement
Electrical Protection	Overcurrent/thermal limit on Unit input on each output bus channel: Overcurrent/thermal protection Reverse current protection
Communication interface	I²C

Qualification and Acceptance Testing

	QT Is performed on the design/qualification model	AT Is performed on the unit to be shipped
Functional Test
Thermal Vacuum
Thermal Cycling
Vibration Test
Mechanical Shock Test

Modular Electrical Power System

The second-generation ISISPACE Modular Electrical Power System redefines Electrical Power Subsystems (EPS) for nanosatellites. Built on a modular, distributed design, it enables unmatched adaptability, tailoring power solutions to your platform’s exact needs without full customization.

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Solar Panels

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Tulip

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TestPod

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GNSS Active Patch Antenna

GNSS Patch Antenna from ISISPACE combines compact design, low mass, and flight-proven reliability. The antenna is mounted onto a Rogers PCB, ideal for high-frequency RF circuitry, ensuring lower losses than traditional FR-4 PCBs. It is qualified for up to 15g quasi-static acceleration in all axes.

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Antenna System 1

Antenna System 1 from ISISPACE comes with up to four 55 cm tape spring antennas and a redundant thermal knife deployment system, It offers seamless compatibility with UHF/VHF radios. Additionally, the top face can accommodate solar panels, patch antennas and sensors, offering further adaptability.

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Antenna System 2

Antenna System 2 (ANTS2) from ISISPACE stands is customizable antenna solutions for CubeSats models from 6U and up as well as Microsatellites. With versatile configurations like monopoles, dipoles, or 1x turnstile, ANTS2 covers a wide range of the VHF to UHF frequency bands. It has Fight Heritage since 2020.

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