Motor Controller
AssemblyThe power-electronics brick that chops battery DC into three-phase motor current, runs the assist logic, and enforces the legal power and speed limits. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Motor Controller parts and their functions
8 top-level parts · 18 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Controller board |
| 2 | Power MOSFET | 6× | Three-phase bridge FETs |
| 3 | Microcontroller | 1× | Control microcontroller |
| 4 | Current Shunt | 1× | Current sense shunt |
| 5 | DC-Link Capacitors | 1× | DC-link capacitors |
| 6 | SMD Passive (R/C/L) | 1× | Gate drive and passives |
| 7 | Controller Case | 1× | Heatsink enclosure |
| 8 | Connector | 6× | Phase/sensor connectors |
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 Motor Controller
8 top-level lines · 8 rows shown · 18 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 | Power MOSFET | mosfet | 6× | 6 | · | part |
| 3 | Microcontroller | mcu | 1× | 1 | · | part |
| 4 | Current Shunt | eck-current-shunt | 1× | 1 | · | part |
| 5 | DC-Link Capacitors | eck-caps-bank | 1× | 1 | · | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 7 | Controller Case | eck-controller-case | 1× | 1 | · | part |
| 8 | Connector | connector | 6× | 6 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the motor 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 $2–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Inovance
inovance.com ↗
|
Shenzhen, CN | Drives & motion control | 500 units | 10–14 wks |
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | 500 units | 10–14 wks |
| broad-ocean.com ↗ | Zhongshan, CN | Electric motors | 500 units | 10–14 wks |
| nidec.com ↗ | Singapore | Motors, regional ops | 500 units | 10–14 wks |
| bosch.in ↗ | Bengaluru, IN | Automotive components | 500 units | 10–14 wks |