PSE Mainboard
AssemblyPower-sourcing-equipment board: a PSE controller drives a power MOSFET to push isolated DC onto the data pairs through an isolation transformer, supervised by a small MCU. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for PSE Mainboard
7 top-level lines as of r129122| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | PSE Controller IC | poe-injector-pse-controller | 1× | 1 | · | part |
| 3 | Power MOSFET | mosfet | 2× | 2 | · | part |
| 4 | Isolation Transformer | poe-injector-isolation-xfmr | 1× | 1 | · | part |
| 5 | Current-Sense Resistor | poe-injector-sense-resistor | 1× | 1 | · | part |
| 6 | Microcontroller | mcu | 1× | 1 | · | part |
| 7 | SMD Passive (R/C/L) | smd-passives | 120× | 120 | · | part |