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Electrical Power Subsystem Assembly

Generates, stores, regulates and distributes spacecraft power from deployable solar wings and a Li-ion battery. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

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Bill of materials

4 top-level lines · 23 rows shown · 101 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Solar Array Wing 3 parts communications-satellite-solar-wing 2× 2 8 assembly
1.1 Solar Cell Panel communications-satellite-solar-panel 4× 8 — part
1.2 Deployment Hinge communications-satellite-deployment-hinge 3× 6 — part
1.3 Wire Bundle wire-bundle 1× 2 — part
2 Solar Array Drive Mechanism 3 parts communications-satellite-sadm 2× 2 23 assembly
2.1 Stator Assembly 3 parts stator-assembly 1× 2 3 assembly
2.1.1 Stator Core (laminations) stator-core 1× 2 — part
2.1.2 Copper Winding copper-winding 1× 2 — part
2.1.3 Slot Insulation stator-insulation 1× 2 — part
2.2 Rotor Assembly 4 parts rotor-assembly 1× 2 19 assembly
2.2.1 Rotor Shaft rotor-shaft 1× 2 — part
2.2.2 Rotor Core rotor-core 1× 2 — part
2.2.3 Neodymium Magnet neodymium-magnet 16× 32 — part
2.2.4 Ball Bearing ball-bearing 1× 2 — part
2.3 Slip Ring Assembly communications-satellite-slip-ring 1× 2 — part
3 Li-ion Battery 2 parts communications-satellite-battery 1× 1 33 assembly
3.1 LiPo Cell lipo-cell 32× 32 — part
3.2 BMS Board bms-board 1× 1 — part
4 Power Conditioning Unit 4 parts communications-satellite-pcu 1× 1 6 assembly
4.1 Bare PCB pcb-bare 2× 2 — part
4.2 IGBT Power Module igbt-module 2× 2 — part
4.3 SMD Passive (R/C/L) smd-passives 1× 1 — part
4.4 Microcontroller mcu 1× 1 — part

Used in 1 assembly

Communications Satellite

Sourcing — likely vendors

Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks