Capacitor Bank Hold-Up Design
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Confirming your request to generate a complete schematic that includes the following components:
Table
| Designator | Component | Value/Rating | Notes |
|---|---|---|---|
| VIN | DC Power Input | 28V DC | Main supply input |
| Q1, Q2, … | EPC2218 GaN MOSFET | – | Fast switching devices; deploy in parallel as needed |
| U1 | LMG1210 Gate Driver | – | Provides fast gate drive to the MOSFETs; include appropriate decoupling as per datasheet |
| SC1 – SC5 | CAP-XX-HS230F Supercapacitors in Series | 1200 mF, 5.8V each | Five in series yield an effective capacitance of approximately 280 mF with a total voltage rating near 28V. Include individual balancing resistors (R1 – R5) across each capacitor (1 kΩ–10 kΩ) |
| SC6, SC7 | CAP-XX-HS230F Supercapacitors in Parallel | 1200 mF, 5.8V each | Two in parallel provide a combined capacitance of 2800 mF |
| D1 | TVS Diode | Rated for 28V operation | Provides transient voltage protection |
| CS1 | Current Sensor | – | For monitoring current (e.g., a device similar to the ACS712 family) |
| RLOAD | Load Simulation or Representation | Equivalent to 650W load at 28V | Represents the load; typically implemented as a resistor or symbolic load for simulation |
| THERM1 (Optional) | Thermal Protection Device | – | Optional; can be implemented with a thermal fuse or sensor for overtemperature shutdown |
| GND | Ground Component | – | Common reference; ensure all components with a ground connection use this Flux ground element |
This schematic generation will proceed by adding these components to your project’s schematic and then establishing the appropriate net connections (including the common ground) among them.
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