BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Onboard Power Supply

Assembly

Battery banks and converters that feed the levitation and guidance magnets, charged from the linear generators at speed and from station contact rails when stopped. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Onboard Power Supply parts and their functions

6 top-level parts · 24 parts in total · full bill of materials below
Onboard Power Supply parts diagram: 1 onboard battery bank, 2 DC-DC converter, 3 charging contact shoe, 4 BMS board, 5 power supply, 6 wire bundle. 24 parts in 6 top-level items.
Onboard Power Supply parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Onboard Battery Bank 4× NiMH/Li traction batteries
2 DC-DC Converter 4× Converter regulating generator and battery power onto the 440 V magnet bus.
3 Charging Contact Shoe 4× Station charging rail
4 BMS Board 4× Battery management circuit board that monitors cell voltages and temperatures, balances the cells, and disconnects the pack on a fault.
5 Power Supply 2× Auxiliary 24 V
6 Wire Bundle 6× Group of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Onboard Power Supply

6 top-level lines · 6 rows shown · 24 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Onboard Battery Bank maglev-train-battery-bank 4× 4 · part
2 DC-DC Converter maglev-train-dc-converter 4× 4 · part
3 Charging Contact Shoe maglev-train-contact-shoe 4× 4 · part
4 BMS Board bms-board 4× 4 · part
5 Power Supply power-supply 2× 2 · part
6 Wire Bundle wire-bundle 6× 6 · part

Something wrong in this list? Report a problem with this BOM.

Where the onboard power supply is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used 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 $1–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳JLCPCB
jlcpcb.com ↗
Shenzhen, CN PCB fabrication 100 pcs 2–4 wks
🇨🇳PCBWay
pcbway.com ↗
Shenzhen, CN PCB fab & assembly 100 pcs 2–4 wks
scc.com.cn ↗ Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
shogini.com ↗ Mumbai, IN PCB manufacturer 100 pcs 2–4 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 100 pcs 2–4 wks