Variable-Frequency Controller
AssemblyInverter drive that varies motor speed to hold a constant pressure setpoint. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Variable-Frequency Controller parts and their functions
7 top-level parts · 96 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Control board |
| 2 | Microcontroller | 1× | Drive controller |
| 3 | SMD Passive (R/C/L) | 90× | Board passives |
| 4 | IGBT Power Module | 1× | Inverter bridge |
| 5 | LCD Panel | 1× | Setpoint display |
| 6 | Pressure Sensor | 1× | Discharge pressure transducer |
| 7 | Controller Enclosure | 1× | IP55 drive housing |
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 Variable-Frequency Controller
7 top-level lines · 7 rows shown · 96 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Microcontroller | mcu | 1× | 1 | · | part |
| 3 | SMD Passive (R/C/L) | smd-passives | 90× | 90 | · | part |
| 4 | IGBT Power Module | igbt-module | 1× | 1 | · | part |
| 5 | LCD Panel | lcd-panel | 1× | 1 | · | part |
| 6 | Pressure Sensor | pressure-sensor | 1× | 1 | · | part |
| 7 | Controller Enclosure | booster-pump-vfd-enclosure | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the variable-frequency controller 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 $1–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |