Power Supply and Distribution
AssemblyAC-to-DC converter from wall plug (110-240V) to isolated 12V rail, with regulators for 3.3V, 1.8V, and 1.2V logic domains. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Power Supply and Distribution parts and their functions
5 top-level parts · 7 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Power Supply | 1× | External 12V 1.5A switching adapter with EMI filter |
| 2 | 12V to 3.3V Buck Converter | 1× | Buck converter for 3.3V digital logic rail |
| 3 | 3.3V to 1.8V Converter | 1× | Buck-boost for 1.8V I/O and flash supply |
| 4 | 1.2V LDO with Soft-Start | 1× | LDO regulator for 1.2V core supply with soft-start |
| 5 | SMD Passive (R/C/L) | 3× | Bulk and local ceramics, ferrites for rail filtering |
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Bill of materials for Power Supply and Distribution
5 top-level lines · 5 rows shown · 7 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Power Supply | power-supply | 1× | 1 | · | part |
| 2 | 12V to 3.3V Buck Converter | dsl-modem-dcdc-12v-3v3 | 1× | 1 | · | part |
| 3 | 3.3V to 1.8V Converter | dsl-modem-dcdc-3v3-1v8 | 1× | 1 | · | part |
| 4 | 1.2V LDO with Soft-Start | dsl-modem-ldo-1v2 | 1× | 1 | · | part |
| 5 | SMD Passive (R/C/L) | smd-passives | 3× | 3 | · | part |
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Where the power supply and distribution 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 $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |