Products > Solar Panels > 3U Deployable Solar Array - DMSA

DMSA 3U/A: Deployable Multifunction Solar Array

The EXA DMSA 3U (Deployable Multifunction Solar Array for 3U and 6U) is the upgraded version of the latest DMSA line, it is one of our 3U size products of a family of deployable solar arrays based on artificial muscles and highly reliable nano hinges for CubeSats in the range of 1U to 12U. The arrays are folded into a panel attached to the CubeSat structure just like another solar panel and once in orbit it deploys to full extension, it includes deploy and release contact sensors and its own deploy control board.

It includes embedded antennas that range from VHF to L band, no longer you need to buy and manage antenna systems, the DMSA has them embedded in its structure as 2 monopoles or 1 dipole and they deploy with the solar array, you just connect the cable to your radio. It also has embedded sun and temperature sensors, embedded magnetorquers that can run up to 1.41 Am2 at 25V and embedded UMPPT independent channels per panel with joined regulated output per array.

FEATURES

Configurations from 7 to 49W.
TRL9 Heritage release with artificial muscles, spring operated deploy.
Release within 5 seconds, deploys immediately.
Embedded antennas can be configured as 2 monopoles or 1 dipole, frequency range from VHF to L-band.
Embedded powerful MT02C magnetorquer 1.41 Am2 max torque.
Embedded Release control circuitry with reporting contact sensors.
Embedded sun and temperature sensors.
Embedded UMPPT circuitry, 1 channel per panel, joined regulated output per array.
Cable-less inter-panel power transmission for minimal loss
Manufactured according to space standards and custom mission design.
Functional, performance, thermal bake out and vibration tests provided with documentation.
Discounts for complete mission sets or educational institutions.

DOWNLOADS

Availability: 4 to 6 weeks

Includes:

Full Engineering Support
Test Reports and ICD
Custom cables and Matching Board Connectors
Mounting Screws

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PERFORMANCE

Supply Voltage (depends on configuration):
- From 17.5V to 20.5V
- Bypass and protections diodes integrated
Power Delivered:
- From 7 to 49W
- Integrated UMPPT controller, 1 per pane
Cell Efficiency: >30%
Integrated RELEASE/DEPLOY CONTROLLER
- Release within 5 seconds
- Deploys immediately
- Activates via 5V TTL signal
- Deploy and Release sensor reports to OBC
- Automatic safety disconnection upon successful deployment
Embedded Antennas:
- Band Range: VHF to L-band
- Gain:
  - Monopole configuration = 2.1 dB max
  - Dipole configuration = 3.1 dB max
  - Extended Monopole = 2.3 dB max
- Lambda: from 1/4 to full wave depends on panel count
- Connectors: SMA, MCX, MBX or User defined
- Cable: RG316
Sun Sensor:
- Analog, GPIO, 5V
- Linear response range from 0.2V to 5.5V
- Working current: 50 mA
- Working FOV: 65 degrees H/V
Temperature sensor:
- Analog, GPIO, 4 to 12V
- Linear response range from 0.1V to 1.75V
- Working current: 80 mA
- Working temperature: -55 to 125C
Embedded MT02C Magnetorquer:
- 1.41 Am2 at 25V
- Runs from 5V to 25V
- 0.01 degree precision with Variable yield DMT module (optional)
- Zero thickness profile

PROPERTIES

Mass (exact mass depends on configuration):
- 1 panel: 186 g
- 2 panels: 259 g
- 3 panels: 346 g
Assembly Thickness:
- Measured from the outer surface of the array
- Stowed:
  - 1 panel: 2.8 mm
  - 2 panels: 5.4 mm
  - 3 panels: 8.1 mm
- Per panel: 1.65 mm
Deploy/Release control board included, TTL 3.3 or 5V operated.
Operating Temperature: -80 to +130°C
Radiation Tolerance: 4 years minimum in LEO

COMPOSITION

Panels:
- Side panel: FR4-Tg180
- Deployable panels: FR4-Tg180 1.6mm thick
Contact sensors: Deploy and Release
Actuators:
- Deploy: spring operated, EXA Hinge Nano
- Release: EXA HDRM Nano, 50 grams max torque
Cell Material: GaAs (High power)
Cell Interconnector: Invar Silver plated.
Interfaces:
- Custom choice, normally 3 Molex PicoBlade inline 4 pin connector with gold plated contacts
- PTFE (Teflon) space grade cables, single strand, silver plated copper (AWG26, AWG24)

TESTS

All panels are provided with tests reports regarding:

Continuity isolation between cells and substrate
No cracks warranty
Thermal Bake out (10E-7 mbar @ 50C for 24 hours)
Full vibration test for Falcon 9, Vega, Electron, Soyuz, Angara, PSLV
QT and AT is performed on the unit to be shipped

PROVIDER:

EXA

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