Buck Power Stage
AssemblySynchronous buck converter switching at 20-100 kHz that steps the higher PV voltage down to battery voltage at 96-99% efficiency. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Buck Power Stage parts and their functions
7 top-level parts · 10 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Power MOSFET | 4× | High and low side pairs |
| 2 | Power Inductor | 1× | Main buck inductor |
| 3 | Input Capacitor Bank | 1× | PV-side electrolytics |
| 4 | Output Capacitor Bank | 1× | Battery-side filter |
| 5 | Gate Driver IC | 1× | MOSFET drive IC |
| 6 | Input Fuse | 1× | Overcurrent protection |
| 7 | Blocking MOSFET | 1× | Reverse-current block |
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Bill of materials for Buck Power Stage
7 top-level lines · 7 rows shown · 10 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Power MOSFET | mosfet | 4× | 4 | · | part |
| 2 | Power Inductor | solar-charge-controller-inductor | 1× | 1 | · | part |
| 3 | Input Capacitor Bank | solar-charge-controller-input-caps | 1× | 1 | · | part |
| 4 | Output Capacitor Bank | solar-charge-controller-output-caps | 1× | 1 | · | part |
| 5 | Gate Driver IC | solar-charge-controller-gate-driver | 1× | 1 | · | part |
| 6 | Input Fuse | solar-charge-controller-input-fuse | 1× | 1 | · | part |
| 7 | Blocking MOSFET | solar-charge-controller-blocking-fet | 1× | 1 | · | part |
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Where the buck power stage 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 |