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

Power Subsystem

Assembly

USB bus power extraction, regulation, and distribution to all logic and memory subsystems. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Subsystem parts and their functions

4 top-level parts · 4 parts in total · full bill of materials below
Power Subsystem parts diagram: 1 ideal diode switch, 2 3.3V regulator, 3 2.5V regulator, 4 bulk capacitor bank. 4 parts in 4 top-level items.
Power Subsystem parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Ideal Diode Switch 1× Ideal diode for reverse-blocking on USB 5V rail
2 3.3V Regulator 1× 1.5A LDO regulator for 3.3V logic
3 2.5V Regulator 1× Secondary LDO for FPGA and SRAM I/O voltage
4 Bulk Capacitor Bank 1× 100 μF bulk filtering on 5V, 3.3V, and 2.5V rails

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 Power Subsystem

4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Ideal Diode Switch logic-analyzer-usb-power-switch 1× 1 · part
2 3.3V Regulator logic-analyzer-linear-reg-3v3 1× 1 · part
3 2.5V Regulator logic-analyzer-linear-reg-2v5 1× 1 · part
4 Bulk Capacitor Bank logic-analyzer-bulk-caps 1× 1 · part

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

Where the power subsystem 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 $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead 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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks