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Main Controller

Assembly

Supervisory controller coordinating modules, metering, and OCPP backend communication. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Controller parts and their functions

4 top-level parts · 13 parts in total · full bill of materials below
Main Controller parts diagram: 1 supervisory control board, 2 OCPP communication board, 3 CAN transceiver, 4 relay. 13 parts in 4 top-level items.
Main Controller parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Supervisory Control Board 4 parts 1× Supervisory SoC board
2 OCPP Communication Board 3 parts 1× OCPP/cellular comms
3 CAN Transceiver 2× Module + output CAN buses
4 Relay 4× Interlock + control relays

3D model

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Build & assembly graph

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Bill of materials for Main Controller

4 top-level lines · 11 rows shown · 13 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Supervisory Control Board 4 parts dc-fast-charger-controller-board 1× 1 4 assembly
1.1 Bare PCB pcb-bare 1× 1 · part
1.2 Compute SoC Module soc-module 1× 1 · part
1.3 Microcontroller mcu 1× 1 · part
1.4 SMD Passive (R/C/L) smd-passives 1× 1 · part
2 OCPP Communication Board 3 parts dc-fast-charger-ocpp-board 1× 1 3 assembly
2.1 Bare PCB pcb-bare 1× 1 · part
2.2 Cellular Modem dc-fast-charger-cellular-modem 1× 1 · part
2.3 SMD Passive (R/C/L) smd-passives 1× 1 · part
3 CAN Transceiver can-transceiver 2× 2 · part
4 Relay relay 4× 4 · part

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Where the main controller is used

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

Used in 1 assembly

DC Fast Charger

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
🇨🇳Shennan Circuits
scc.com.cn ↗ 		Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
🇮🇳Shogini Technoarts
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