Power Processing Unit
AssemblyBox of switching converters that turns the spacecraft bus into the thruster's six supplies, 1,100 V beam, discharge, accel, keepers, heaters, at ~94% efficiency, with fault logic that rides through grid arcs. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Power Processing Unit parts and their functions
7 top-level parts · 713 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Beam Supply 5 parts | 1× | Beam high-voltage supply |
| 2 | Discharge Supply 4 parts | 1× | Discharge supply |
| 3 | Accel Grid Supply | 1× | Accel grid supply |
| 4 | Heater/Keeper Supply | 2× | Heater/keeper supplies |
| 5 | PPU Controller 4 parts | 1× | Control & telemetry board |
| 6 | PPU Chassis | 1× | Thermal chassis |
| 7 | Bus Input Filter | 1× | Bus input filter |
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Bill of materials for Power Processing Unit
7 top-level lines · 20 rows shown · 713 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Beam Supply 5 parts | ion-thruster-beam-supply | 1× | 1 | 313 | assembly |
| 1.1 | Bare PCB | pcb-bare | 2× | 2 | · | part |
| 1.2 | Power MOSFET | mosfet | 8× | 8 | · | part |
| 1.3 | IGBT Power Module | igbt-module | 2× | 2 | · | part |
| 1.4 | HV Transformer | ion-thruster-hv-transformer | 1× | 1 | · | part |
| 1.5 | SMD Passive (R/C/L) | smd-passives | 300× | 300 | · | part |
| 2 | Discharge Supply 4 parts | ion-thruster-discharge-supply | 1× | 1 | 209 | assembly |
| 2.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2.2 | Power MOSFET | mosfet | 6× | 6 | · | part |
| 2.3 | SMD Passive (R/C/L) | smd-passives | 200× | 200 | · | part |
| 2.4 | Connector | connector | 2× | 2 | · | part |
| 3 | Accel Grid Supply | ion-thruster-accel-supply | 1× | 1 | · | part |
| 4 | Heater/Keeper Supply | ion-thruster-heater-keeper-supply | 2× | 2 | · | part |
| 5 | PPU Controller 4 parts | ion-thruster-ppu-controller | 1× | 1 | 186 | assembly |
| 5.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 5.2 | Microcontroller | mcu | 1× | 1 | · | part |
| 5.3 | SMD Passive (R/C/L) | smd-passives | 180× | 180 | · | part |
| 5.4 | Connector | connector | 4× | 4 | · | part |
| 6 | PPU Chassis | ion-thruster-ppu-chassis | 1× | 1 | · | part |
| 7 | Bus Input Filter | ion-thruster-input-filter | 1× | 1 | · | part |
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Where the power processing unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |