Mainboard (SiP)
AssemblySystem-in-package logic board with SoC, memory, radios, and PMIC. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Mainboard (SiP) parts and their functions
8 top-level parts · 227 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Rigid-flex substrate (reuse) |
| 2 | Compute SoC Module | 1× | Application SoC (reuse) |
| 3 | RAM + Flash Package | 1× | Stacked RAM + NAND flash |
| 4 | PMIC | 1× | Power management IC |
| 5 | WiFi/BT/GPS Module | 1× | WiFi/BT/GPS combo module |
| 6 | NFC Controller | 1× | NFC controller |
| 7 | Cellular Modem | 1× | LTE cellular modem |
| 8 | SMD Passive (R/C/L) | 220× | Resistors/caps/inductors (reuse) |
3D model
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Build & assembly graph
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Bill of materials for Mainboard (SiP)
8 top-level lines · 8 rows shown · 227 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 | Compute SoC Module | soc-module | 1× | 1 | · | part |
| 3 | RAM + Flash Package | smartwatch-ram-flash | 1× | 1 | · | part |
| 4 | PMIC | smartwatch-pmic | 1× | 1 | · | part |
| 5 | WiFi/BT/GPS Module | smartwatch-wireless-module | 1× | 1 | · | part |
| 6 | NFC Controller | smartwatch-nfc-controller | 1× | 1 | · | part |
| 7 | Cellular Modem | smartwatch-cellular-modem | 1× | 1 | · | part |
| 8 | SMD Passive (R/C/L) | smd-passives | 220× | 220 | · | part |
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Where the mainboard (SiP) 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 |