| Parameter | Fixed-Frequency SMC | Variable-Frequency SFC | Impact | |-----------|---------------------|------------------------|--------| | | Single point | e.g., 50 kHz – 300 kHz | Need to avoid audible band (20 Hz–20 kHz) and EMI regulations | | Magnetic components | Designed at Fsw | Must handle minimum frequency (highest flux density) | Inductor/transformer may need larger core | | Control loop compensation | Type II or Type III (fixed gain/phase) | Frequency-dependent gain → complex | May require adaptive compensation or current-mode control | | Gate drive | Optimized for one frequency | Wide range → drive losses vary | Acceptable for most MOSFETs up to ~1 MHz | | EMI filtering | Notch filter at Fsw | Broadband noise | Input filter needs redesign |
This write-up explores the "SMC to SFC" conversion process, the necessity of "de-headering" ROMs, and the top tools used to achieve this. smc to sfc converter top
18;write_to_target_document1a;_Cv7taevBCfzy7M8P6dymkQU_10;56; | Parameter | Fixed-Frequency SMC | Variable-Frequency SFC
: A Python-based script that "beheads" ROMs by removing copier headers. It is particularly useful for preparing ROMs for frontend metadata scrapers like OpenEmu . the necessity of "de-headering" ROMs
| Parameter | Fixed-Frequency SMC | Variable-Frequency SFC | Impact | |-----------|---------------------|------------------------|--------| | | Single point | e.g., 50 kHz – 300 kHz | Need to avoid audible band (20 Hz–20 kHz) and EMI regulations | | Magnetic components | Designed at Fsw | Must handle minimum frequency (highest flux density) | Inductor/transformer may need larger core | | Control loop compensation | Type II or Type III (fixed gain/phase) | Frequency-dependent gain → complex | May require adaptive compensation or current-mode control | | Gate drive | Optimized for one frequency | Wide range → drive losses vary | Acceptable for most MOSFETs up to ~1 MHz | | EMI filtering | Notch filter at Fsw | Broadband noise | Input filter needs redesign |
This write-up explores the "SMC to SFC" conversion process, the necessity of "de-headering" ROMs, and the top tools used to achieve this.
18;write_to_target_document1a;_Cv7taevBCfzy7M8P6dymkQU_10;56;
: A Python-based script that "beheads" ROMs by removing copier headers. It is particularly useful for preparing ROMs for frontend metadata scrapers like OpenEmu .