# 400Hz Isolated PFC Power Supply ## Description Isolated 120–230 VAC 400 Hz PFC supply producing 12 VDC at 10 A and 5 VDC at 5 A from a shared secondary ground. ## Project Details - **Owner:** blbrown - **Created:** 7/1/2026 - **Last Updated:** 7/1/2026 - **Visibility:** Public - **Implementation Details:** 120-230VAC 400Hz input, isolated outputs, shared 12V/5V secondary ground - **Domain:** Defense - **Compliance:** RoHS - **Power Requirements:** Mains - **Operating Voltage:** 230VAC ## Key Components ### BR1 — [VS-KBPC806PBF](https://www.flux.ai/adrian95/vs-kbpc806pbf~s7w.md) - Manufacturer Name: Vishay General Semiconductor - Diodes Division - Role: Single-phase bridge rectifier - Voltage Rating: 600 V - Part Type: Diode - Manufacturer Part Number: VS-KBPC806PBF - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.vishay.com/docs/93586/kbpc8series.pdf **Pins:** - - [pin 3] - + [pin 1] - P2 [pin 2] - P4 [pin 4] ### CBULK1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Part Type: Non-Polarized Capacitor - Package: Radial electrolytic 150µF 450V footprint TBD - Capacitor Type: Aluminum Electrolytic - Capacitance: 150µF - Manufacturer Name: Nichicon - Voltage Rating: 450V - Role Details: 150µF/450V PFC bulk capacitor candidate. Verify ripple current, lifetime, diameter/height, and hold-up before layout release. - Manufacturer Part Number: UPM2W151MHD - Role: 390 V PFC bulk bus capacitor placeholder **Pins:** - P1 [pin 1] - P2 [pin 2] ### CCLAMP1 — [MKP1848C51012JK2](https://www.flux.ai/adrian95/mkp1848c51012jk2~myg.md) - Role: Snubber / Damping - Part Type: Non-Polarized Capacitor - Manufacturer Part Number: MKP1848C51012JK2 - Capacitance: 1µF - Voltage Rating: 1200V - Manufacturer Name: Vishay Beyschlag/Draloric/BC Components - Datasheet URL: https://www.vishay.com/docs/26015/mkp1848cdclink.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### CCOMP1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Voltage Rating: 25 V - Manufacturer Name: Samsung Electro-Mechanics - Role: Feedback - Manufacturer Part Number: CL10B103KB8NNNC - Package: SMD_0603_1608Metric - Capacitance: 10nF - Part Type: Non-Polarized Capacitor - Capacitor Type: X7R Ceramic **Pins:** - P1 [pin 1] - P2 [pin 2] ### CREF1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Capacitance: 0.1uF - Package: SMD_0603_1608Metric - Part Type: Non-Polarized Capacitor - Role: Decoupling - Voltage Rating: 25 V - Manufacturer Name: Samsung Electro-Mechanics - Capacitor Type: X7R Ceramic - Manufacturer Part Number: CL10B104KB8NNNC **Pins:** - P1 [pin 1] - P2 [pin 2] ### CSR1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Voltage Rating: 25V - Role: Decoupling - Manufacturer Name: Samsung Electro-Mechanics - Capacitor Type: X7R Ceramic - Manufacturer Part Number: CL10B104KB8NNNC - Capacitance: 100nF - Package: SMD_0603_1608Metric - Part Type: Non-Polarized Capacitor **Pins:** - P1 [pin 1] - P2 [pin 2] ### CU2CSKIP1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Capacitance: 100nF - Package: SMD_0603_1608Metric - Part Type: Non-Polarized Capacitor - Role: Timing - Manufacturer Part Number: CL10B104KB8NNNC - Voltage Rating: 25V - Capacitor Type: X7R Ceramic - Manufacturer Name: Samsung Electro-Mechanics **Pins:** - P1 [pin 1] - P2 [pin 2] ### CU2SS1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Manufacturer Part Number: CL10B104KB8NNNC - Role: Soft Start - Manufacturer Name: Samsung Electro-Mechanics - Capacitor Type: X7R Ceramic - Voltage Rating: 25V - Part Type: Non-Polarized Capacitor - Package: SMD_0603_1608Metric - Capacitance: 100nF **Pins:** - P1 [pin 1] - P2 [pin 2] ### CU2VAUX1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Part Type: Non-Polarized Capacitor - Capacitor Type: X5R Ceramic - Capacitance: 10µF - Package: SMD_0805_2012Metric - Manufacturer Part Number: CL21A106KAYNNNE - Manufacturer Name: Samsung Electro-Mechanics - Voltage Rating: 25V - Role: Decoupling **Pins:** - P1 [pin 1] - P2 [pin 2] ### CU2VREF1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Part Type: Non-Polarized Capacitor - Capacitance: 100nF - Package: SMD_0603_1608Metric - Manufacturer Part Number: CL10B104KB8NNNC - Manufacturer Name: Samsung Electro-Mechanics - Role: Decoupling - Voltage Rating: 25V - Capacitor Type: X7R Ceramic **Pins:** - P1 [pin 1] - P2 [pin 2] ### CVCC1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Role: Decoupling - Part Type: Non-Polarized Capacitor - Capacitance: 1.0uF - Package: SMD_0603_1608Metric - Capacitor Type: X5R Ceramic - Manufacturer Name: Samsung Electro-Mechanics - Voltage Rating: 25 V - Manufacturer Part Number: CL10A105KB8NNNC **Pins:** - P1 [pin 1] - P2 [pin 2] ### CX1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Package: Radial safety capacitor footprint TBD - Capacitance: 0.047uF - Part Type: Non-Polarized Capacitor - Voltage Rating: 305VAC X2V - Manufacturer Name: TDK/EPCOS - Role: X-cap EMI placeholder - Manufacturer Part Number: B32921C3473M000 - Capacitor Type: X2 Safety Film - Role Details: 47nF X2 safety capacitor candidate. Confirm leakage/reactive current at 400Hz and safety approvals before release. **Pins:** - P1 [pin 1] - P2 [pin 2] ### CZCD1 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Part Type: Non-Polarized Capacitor - Capacitance: 33pF - Package: SMD_0603_1608Metric - Manufacturer Part Number: CL10C330JB8NNNC - Capacitor Type: C0G/NP0 Ceramic - Role: Filtering - Manufacturer Name: Samsung Electro-Mechanics - Voltage Rating: 50 V **Pins:** - P1 [pin 1] - P2 [pin 2] ### D1 — [STTH8R06D](https://www.flux.ai/lcsc/stth8r06d~g1ic.md) - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810301714_STMicroelectronics-STTH8R06D_C283269.pdf - Package or Case Code: TO-220-2_L10.2-W4.5-P5.08-L - Voltage Rating: 600 V - Role: PFC boost diode preliminary - LCSC Part Number: C283269 - Manufacturer Part Number: STTH8R06D - Manufacturer Name: ST(意法半导体) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_STTH8R06D_STMicroelectronics-STTH8R06D_C283269.html **Pins:** - A [pin 3] - K [pin 1] ### DPFC1 — [STTH8R06D](https://www.flux.ai/lcsc/stth8r06d~g1ic.md) - Role: PFC boost diode preliminary - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics_STTH8R06D_STMicroelectronics-STTH8R06D_C283269.html - Manufacturer Part Number: STTH8R06D - LCSC Part Number: C283269 - JLCPCB Part Class: Extended Part - Manufacturer Name: ST(意法半导体) - Part Type: Diodes - Fast Recovery Rectifiers - Package or Case Code: TO-220-2_L10.2-W4.5-P5.08-L - Voltage Rating: 600 V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810301714_STMicroelectronics-STTH8R06D_C283269.pdf **Pins:** - A [pin 3] - K [pin 1] ### DVAUX1 — [SS14](https://www.flux.ai/lcsc/ss14~t679.md) - Manufacturer Part Number: SS14 - Package or Case Code: SMA_L4.3-W2.7-LS5.1-RD - Current Rating: 1A - Voltage Rating: 40V - Role: Rectification - Diode Type: Schottky Diode - Part Type: Schottky Barrier Diodes (SBD) - Datasheet URL: https://www.lcsc.com/datasheet/C2766061.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1JfUFRQQFlfUzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Max Reverse Voltage: 40V - License: https://creativecommons.org/licenses/by/4.0/ - JLCPCB Part Class: Extended Part - Forward Voltage: 0.45V-0.50V - Manufacturer Name: WPMtek(维攀) - LCSC Part Number: C2766061 **Pins:** - A [pin 2] - K [pin 1] ### F1 — [39212000440](https://www.flux.ai/adrian95/39212000440~7hk.md) - Current Rating: 2 A - Voltage Rating: 250 VAC - Part Type: Fuse - Role: Input fuse, slow-blow preliminary - Manufacturer Part Number: 39212000440 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Littelfuse Inc. - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-fuse-392-datasheet?assetguid=3d41d6b7-af0b-41bc-bce0-d5b1432b6058 **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — [703W-00_52](https://www.flux.ai/vasy_skral/703w-0052~cc1.md) - Manufacturer Part Number: 703W-00/52 - License: https://creativecommons.org/licenses/by/4.0/ - Role: AC mains input connector - Datasheet URL: https://www.digikey.ph/en/products/detail/qualtek/703W-00-52/245559?msockid=3bdc366bbe0663d83c1223c0bf3662a6 - Voltage Rating: 250 VAC - Current Rating: 15 A - Part Type: Connector - Symbol Style: Parametric - Manufacturer Name: Qualtek **Pins:** - E [pin 2] - L [pin 3] - MH1 [pin MH1] - MH2 [pin MH2] - N [pin 1] ### LPFC1 — [Generic Inductor](https://www.flux.ai/jharwinbarrozo/generic-inductor~wlv.md) - Role: PFC boost inductor preliminary - Inductance: 680µH - Part Type: Inductor - Saturation Current: 3.5A - Current Rating: 2A RMS minimum - Role Details: Custom 680µH PFC boost inductor, Isat ≥3.5A, Irms ≥2A, 400Hz avionics input PFC. Include ZCD auxiliary winding/sense strategy. Vendor drawing required before fabrication. - Manufacturer Part Number: TSS-PFC-680UH-3A5-AUX-CUSTOM - Package: Custom PFC inductor footprint TBD - Manufacturer Name: TSS Custom Magnetics **Pins:** - P1 [pin 1] - P2 [pin 2] ### Q1 — [STB15N80K5](https://www.flux.ai/kicad-part-library/stb15n80k5~ai.md) - Package or Case Code: TO-263-2 - Role Details: Preliminary PFC MOSFET placeholder; 800 V, 14 A D2PAK. Final FET selection requires loss/thermal calculation. - Manufacturer Part Number: STB15N80K5 - Role: Switching - Datasheet URL: https://www.st.com/resource/en/datasheet/stb15n80k5.pdf **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q2 — [IPD65R225C7ATMA1](https://www.flux.ai/adrian95/ipd65r225c7atma1~r3d.md) - Datasheet URL: https://www.infineon.com/dgdl/Infineon-IPD65R225C7-DS-v02_00-en.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Name: Infineon Technologies - Role Details: 650 V, 11 A Infineon CoolMOS candidate for main and clamp switches. Final thermal/loss validation required. - Manufacturer Part Number: IPD65R225C7ATMA1 - Role: Switching **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q3 — [BSC040N10NS5ATMA1](https://www.flux.ai/adrian95/bsc040n10ns5atma1.md) - Part Type: Transistors - Role: Rectification - Role Details: Secondary synchronous rectifier MOSFET candidate; actual SR controller/drive timing still TBD. - Datasheet URL: https://www.infineon.com/assets/row/public/documents/24/49/infineon-bsc040n10ns5-datasheet-en.pdf?fileId=5546d4624a0bf290014a0fbcee2e6b38 - Manufacturer Part Number: BSC040N10NS5ATMA1 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Infineon - Symbol Style: parametric-v1 **Pins:** - D_1 [pin 5] - D_2 [pin 6] - D_3 [pin 7] - D_4 [pin 8] - D_5 [pin 9] - G [pin 4] - S_1 [pin 1] - S_2 [pin 2] - S_3 [pin 3] ### QACF1 — [IPD65R225C7ATMA1](https://www.flux.ai/adrian95/ipd65r225c7atma1~r3d.md) - Datasheet URL: https://www.infineon.com/dgdl/Infineon-IPD65R225C7-DS-v02_00-en.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Name: Infineon Technologies - Role Details: 650 V, 11 A Infineon CoolMOS candidate for main and clamp switches. Final thermal/loss validation required. - Manufacturer Part Number: IPD65R225C7ATMA1 - Role: Switching **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### QPFC1 — [STB15N80K5](https://www.flux.ai/kicad-part-library/stb15n80k5~ai.md) - Role: Switching - Package or Case Code: TO-263-2 - Manufacturer Part Number: STB15N80K5 - Role Details: Preliminary PFC MOSFET placeholder; 800 V, 14 A D2PAK. Final FET selection requires loss/thermal calculation. - Datasheet URL: https://www.st.com/resource/en/datasheet/stb15n80k5.pdf **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### QSR1 — [BSC040N10NS5ATMA1](https://www.flux.ai/adrian95/bsc040n10ns5atma1.md) - Datasheet URL: https://www.infineon.com/assets/row/public/documents/24/49/infineon-bsc040n10ns5-datasheet-en.pdf?fileId=5546d4624a0bf290014a0fbcee2e6b38 - Manufacturer Part Number: BSC040N10NS5ATMA1 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Infineon - Symbol Style: parametric-v1 - Role: Rectification - Part Type: Transistors - Role Details: Secondary synchronous rectifier MOSFET candidate; actual SR controller/drive timing still TBD. **Pins:** - D_1 [pin 5] - D_2 [pin 6] - D_3 [pin 7] - D_4 [pin 8] - D_5 [pin 9] - G [pin 4] - S_1 [pin 1] - S_2 [pin 2] - S_3 [pin 3] ### RACFCS1 — [HoJLR2512-3W-5mR-1%](https://www.flux.ai/lcsc/hojlr2512-3w-5mr-1percent~d5u6.md) - LCSC Part Number: C2903482 - Power Rating: 3W - Resistor Type: Current Sensing Resistors - JLCPCB Part Class: Extended Part - Role Details: First-pass ACF current-sense value; final value depends on NCP1280 CS threshold, transformer ratio, peak primary current and slope compensation/noise filter. - Part Type: Chip Resistor - Surface Mount - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6285/HoJLR2512-6mR-1%25.pdf - Role: Sensing (Shunt) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Milliohm(毫欧) - Tolerance: ±1% - Manufacturer Part Number: HoJLR2512-3W-5mR-1% - Package or Case Code: RES-SMD_L6.4-W3.2-1 - Resistance: 100mΩ **Pins:** - 1 [pin 1] - 2 [pin 2] ### RBRST1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Part Type: Resistor - Power Rating: 0.1W - Package: SMD_0603_1608Metric - Role: Voltage Division - Tolerance: 1% - Resistance: 100kΩ - Manufacturer Name: Yageo - Manufacturer Part Number: RC0603FR-07100KL - Role Details: Placeholder divider from VREF to set BRST threshold; final threshold depends on standby/light-load target. **Pins:** - P1 [pin 1] - P2 [pin 2] ### RCOMP1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role Details: COMP starting value retained from PMP31179; final loop compensation requires UCC28064A design calculator/model and selected magnetics/bulk capacitor. - Role: Feedback - Part Type: Resistor - Package: SMD_0603_1608Metric - Resistance: 27kΩ - Tolerance: 1% - Manufacturer Name: Yageo - Manufacturer Part Number: RC0603FR-0727KL **Pins:** - P1 [pin 1] - P2 [pin 2] ### RCS1 — [HoJLR2512-3W-5mR-1%](https://www.flux.ai/lcsc/hojlr2512-3w-5mr-1percent~d5u6.md) - Resistance: 47mΩ - Package or Case Code: RES-SMD_L6.4-W3.2-1 - Manufacturer Name: Milliohm(毫欧) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: HoJLR2512-3W-5mR-1% - Tolerance: 1% - Role Details: Revised from 5mΩ. 47mΩ gives ~200mV at ~4.24A worst-case combined peak estimate; verify against actual UCC28064A CS threshold/noise filtering and phase timing. - JLCPCB Part Class: Extended Part - Part Type: Chip Resistor - Surface Mount - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6285/HoJLR2512-6mR-1%25.pdf - Role: Sensing (Shunt) - LCSC Part Number: C2903482 - Power Rating: 1W minimum, 3W preferredW - Resistor Type: Current Sensing Resistors **Pins:** - 1 [pin 1] - 2 [pin 2] ### RFB1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role: Voltage Division - Part Type: Resistor - Role Details: HV bus divider with 2x390k high-side targets ~4.94V at 390V bus; verify VSENSE/HVSEN target against UCC28064A threshold before hardware release. - Package: SMD_0603_1608Metric - Manufacturer Name: Yageo - Resistance: 10kΩ - Tolerance: 1% - Manufacturer Part Number: RC0603FR-0710KL **Pins:** - P1 [pin 1] - P2 [pin 2] ### RG1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Part Type: Resistor - Package: SMD_0603_1608Metric - Manufacturer Name: Yageo - Role: Switching - Resistance: 10 ohmΩ - Tolerance: 1% - Manufacturer Part Number: RC0603FR-0710RL **Pins:** - P1 [pin 1] - P2 [pin 2] ### RHV1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Manufacturer Part Number: CRCW1206390KFKEA - Resistance: 390kΩ - Tolerance: 1% - Manufacturer Name: Vishay - Package: SMD_1206_3216Metric - Role: Voltage Division - Role Details: Placeholder; final values and series count must meet voltage rating/creepage and UCC28064A thresholds. - Power Rating: 0.25W - Part Type: Resistor **Pins:** - P1 [pin 1] - P2 [pin 2] ### ROPTLED1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role: Current Limiting - Manufacturer Name: Yageo - Resistance: 2.2kΩ - Tolerance: 1% - Manufacturer Part Number: RC0603FR-072K2L - Part Type: Resistor - Package: SMD_0603_1608Metric **Pins:** - P1 [pin 1] - P2 [pin 2] ### RPHB1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Package: SMD_0603_1608Metric - Role: Voltage Division - Power Rating: 0.1W - Part Type: Resistor - Manufacturer Part Number: RC0603FR-07100KL - Resistance: 100kΩ - Tolerance: 1% - Role Details: Placeholder divider from VREF to set PHB threshold; final threshold depends on light-load two-phase management target. - Manufacturer Name: Yageo **Pins:** - P1 [pin 1] - P2 [pin 2] ### RSRG1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Package: SMD_0603_1608Metric - Role: Switching - Part Type: Resistor - Manufacturer Part Number: RC0603FR-074R7L - Resistance: 4.7Ω - Tolerance: 1% - Manufacturer Name: Yageo **Pins:** - P1 [pin 1] - P2 [pin 2] ### RSRMIN1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Package: SMD_0603_1608Metric - Role Details: Placeholder timing resistor; final value requires NCP4304 datasheet timing equations and measured SR waveforms. - Part Type: Resistor - Role: Timing - Manufacturer Part Number: RC0603FR-0733KL - Power Rating: 0.1W - Manufacturer Name: Yageo - Tolerance: 1% - Resistance: 33kΩ **Pins:** - P1 [pin 1] - P2 [pin 2] ### RT1 — [NTC 10D-20](https://www.flux.ai/cherepanyadima/ntc-10d-20~sw.md) - Resistance: 10 ohm - Role: Inrush current limiter preliminary - Current Rating: 6 A - Manufacturer Name: NTC - Manufacturer Part Number: NTC 10D-20 - Part Type: termistor - Datasheet URL: https://setsafe.com/SdwlUploads/Ed/file/20210930/1632984667833069.pdf **Pins:** - ~ [pin 2] - ~ [pin 1] ### RTSET1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role: Timing - Manufacturer Part Number: RC0603FR-0782KL - Manufacturer Name: Yageo - Resistance: 82kΩ - Tolerance: 1% - Package: SMD_0603_1608Metric - Part Type: Resistor **Pins:** - P1 [pin 1] - P2 [pin 2] ### RU2DMAX1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Manufacturer Part Number: RC0603FR-07100KL - Resistance: 100kΩ - Tolerance: 1% - Manufacturer Name: Yageo - Power Rating: 0.1W - Role: Voltage Division - Package: SMD_0603_1608Metric - Part Type: Resistor **Pins:** - P1 [pin 1] - P2 [pin 2] ### RU2FF1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Part Type: Resistor - Role: Voltage Division - Package: SMD_1206_3216Metric - Manufacturer Name: Vishay - Resistance: 1.0MΩ - Tolerance: 1% - Power Rating: 0.25W - Manufacturer Part Number: CRCW12061M00FKEA **Pins:** - P1 [pin 1] - P2 [pin 2] ### RU2RT1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Manufacturer Part Number: RC0603FR-07100KL - Role: Timing - Resistance: 100kΩ - Tolerance: 1% - Manufacturer Name: Yageo - Package: SMD_0603_1608Metric - Power Rating: 0.1W - Part Type: Resistor **Pins:** - P1 [pin 1] - P2 [pin 2] ### RU2TD1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Part Type: Resistor - Package: SMD_0603_1608Metric - Resistance: 47kΩ - Tolerance: 1% - Manufacturer Name: Yageo - Role: Timing - Manufacturer Part Number: RC0603FR-0747KL **Pins:** - P1 [pin 1] - P2 [pin 2] ### RU2UV1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Manufacturer Name: Vishay - Power Rating: 0.25W - Tolerance: 1% - Resistance: 2.0MΩ - Manufacturer Part Number: CRCW12062M00FKEA - Role: Voltage Division - Part Type: Resistor - Role Details: First-pass UV/OV high-side divider; final thresholds require NCP1280 calculator/datasheet validation. - Package: SMD_1206_3216Metric **Pins:** - P1 [pin 1] - P2 [pin 2] ### RU2UVL1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Manufacturer Name: Yageo - Resistance: 33kΩ - Tolerance: 1% - Manufacturer Part Number: RC0603FR-0733KL - Role: Voltage Division - Part Type: Resistor - Power Rating: 0.1W - Package: SMD_0603_1608Metric **Pins:** - P1 [pin 1] - P2 [pin 2] ### RV1 — [TMOV20RP275E](https://www.flux.ai/adrian95/tmov20rp275e~y0.md) - Datasheet URL: https://www.littelfuse.com/assetdocs/tmov-itmov?assetguid=bd475732-1071-4352-b8aa-f78b0007eb05 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Varistors - Manufacturer Part Number: TMOV20RP275E - Role: L-N surge clamp, thermally protected MOV - Voltage Rating: 275 VAC - Manufacturer Name: Littelfuse Inc. **Pins:** - 1 [pin 1] - 2 [pin 2] ### RVAUXBLEED1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role: Current Limiting - Part Type: Resistor - Package: SMD_0603_1608Metric - Power Rating: 0.25W - Tolerance: 1% - Resistance: 10kΩ - Manufacturer Name: Yageo - Manufacturer Part Number: RC0603FR-0710KL **Pins:** - P1 [pin 1] - P2 [pin 2] ### RVIN1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Part Type: Resistor - Package: SMD_1206_3216Metric - Role: Voltage Division - Manufacturer Name: Vishay - Tolerance: 1% - Resistance: 2.2MΩ - Role Details: High-side VINAC divider resistor candidate. 1206 package selected for voltage margin; verify working voltage and creepage at layout. - Power Rating: 0.25W - Manufacturer Part Number: CRCW12062M20FKEA **Pins:** - P1 [pin 1] - P2 [pin 2] ### RVINL1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Package: SMD_0603_1608Metric - Power Rating: 0.1W - Part Type: Resistor - Role Details: VINAC divider total 4.4MΩ/100k gives ~3.5V at 230VAC peak rectified and ~1.8V at 120VAC peak; verify brownout/feed-forward thresholds on bench. - Manufacturer Part Number: RC0603FR-07100KL - Manufacturer Name: Yageo - Role: Voltage Division - Tolerance: 1% - Resistance: 100kΩ **Pins:** - P1 [pin 1] - P2 [pin 2] ### RZCD1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Manufacturer Name: Yageo - Role Details: ZCD placeholder retained from PMP31179. Must connect to actual auxiliary winding or qualified switch-node-derived ZCD network; current schematic uses switch-node placeholder only. - Tolerance: 1% - Resistance: 6.8kΩ - Manufacturer Part Number: RC0603FR-076K8L - Role: Sensing (Shunt) - Part Type: Resistor - Package: SMD_0603_1608Metric **Pins:** - P1 [pin 1] - P2 [pin 2] ### T1 — [750871030](https://www.flux.ai/mvniekerk/750871030~kz.md) - Manufacturer Part Number: 750871030 - Datasheet URL: https://www.we-online.com/components/products/datasheet/750871030.pdf - Role Details: Placeholder isolated SMPS transformer symbol/footprint. Final custom transformer turns ratio, magnetizing inductance, insulation, creepage, leakage, and aux winding TBD. - Manufacturer Name: Würth Elektronik - Role: Isolation **Pins:** - AUX_1 [pin 1] - AUX_2 [pin 2] - NC [pin 3] - PRI_1 [pin 4] - PRI_2 [pin 5] - SEC_1 [pin 6] - SEC_2 [pin 7] - SEC_3 [pin 8] - SEC_4 [pin 9] ### TP_12V — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Role: Sensing (Shunt) - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_5V — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_5V_FB — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_5V_SW — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_ACF_CS — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Role: Sensing (Shunt) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone **Pins:** - ~ [pin TP] ### TP_ACF_G1 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Role: Sensing (Shunt) - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_ACF_G2 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Role: Sensing (Shunt) - Part Type: Connector - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - ~ [pin TP] ### TP_ACF_SW — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_COMP — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Role: Sensing (Shunt) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - ~ [pin TP] ### TP_CS — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Role: Sensing (Shunt) - Part Type: Connector - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone **Pins:** - ~ [pin TP] ### TP_FB — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_HVBUS — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Role: Sensing (Shunt) - Role Details: Use HV-rated probing precautions; ~390V primary-side bus. - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - ~ [pin TP] ### TP_PRI_RET — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector - Role: Sensing (Shunt) **Pins:** - ~ [pin TP] ### TP_RECT — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) - Part Type: Connector - Role Details: Use HV-rated probing precautions; rectified mains primary-side node. **Pins:** - ~ [pin TP] ### TP_SEC_GND — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Part Type: Connector - Role: Sensing (Shunt) **Pins:** - ~ [pin TP] ### TP_SW_A — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Role: Sensing (Shunt) - Part Type: Connector - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Role Details: High-dv/dt primary switch node; use only with appropriate HV differential probing. **Pins:** - ~ [pin TP] ### TP_SW_B — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Role Details: High-dv/dt primary switch node; use only with appropriate HV differential probing. - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Part Type: Connector - Role: Sensing (Shunt) **Pins:** - ~ [pin TP] ### TP_U2_VAUX — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Role: Sensing (Shunt) - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_U2_VREF — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_VCC — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Role: Sensing (Shunt) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - ~ [pin TP] ### TP_VINAC — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Sensing (Shunt) **Pins:** - ~ [pin TP] ### TP_VREF — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Role: Sensing (Shunt) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone **Pins:** - ~ [pin TP] ### U1 — [UCC28064ADT](https://www.flux.ai/lcsc/ucc28064adt~ppsh.md) - Manufacturer Part Number: UCC28064ADT - Package or Case Code: SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL - LCSC Part Number: C2860334 - Role Details: Selected by user; TI UCC28064A family used in 400–800 Hz avionics PFC reference designs. Power-stage values preliminary until calculated. - Part Type: Switching Controllers - Role: Confirmed interleaved transition-mode PFC controller - Manufacturer Name: TI(德州仪器) **Pins:** - AGND [pin 6] - BRST [pin 9] - COMP [pin 5] - CS [pin 10] - GDA [pin 14] - GDB [pin 11] - HVSEN [pin 8] - PGND [pin 13] - PHB [pin 4] - TSET [pin 3] - VCC [pin 12] - VINAC [pin 7] - VREF [pin 15] - VSENSE [pin 2] - ZCD_A [pin 16] - ZCD_B [pin 1] ### U2 — [NCP1280](https://www.flux.ai/kicad-part-library/ncp1280~q7i.md) - Datasheet URL: https://www.onsemi.com/pub/Collateral/NCP1280-D.PDF - Role: Selected active-clamp-forward PWM controller - Role Details: Purpose-built onsemi active-clamp voltage-mode PWM controller for offline applications; selected as Flux-library available ACF controller. - Package or Case Code: SOIC-16_3.9x9.9mm_P1.27mm - Manufacturer Part Number: NCP1280 - Manufacturer Name: Texas Instruments Inc. **Pins:** - CS [pin 5] - CSKIP [pin 6] - DCMAX [pin 8] - FF [pin 4] - GND [pin 14] - NC [pin 2] - OUT1 [pin 15] - OUT2 [pin 13] - RT [pin 7] - SS [pin 9] - TD [pin 12] - UV/OV [pin 3] - VAUX [pin 16] - VEA [pin 10] - VIN [pin 1] - VREF [pin 11] ### U3 — [NCP4304BDR2G](https://www.flux.ai/engineergeorge/ncp4304bdr2g~vq.md) - Manufacturer Name: ON Semiconductor - Part Type: Secondary Side Synchronous Rectification Driver - Package or Case Code: SOIC127P600X170-9N - Manufacturer Part Number: NCP4304BDR2G - Datasheet URL: https://www.onsemi.com/pdf/datasheet/ncp4304b-d.pdf - Compliance: RoHS - Role Details: One NCP4304 per SR MOSFET. Final blanking/min on/off timing and drain/source sensing must be validated against transformer polarity and switching waveforms. - License: https://creativecommons.org/licenses/by/4.0/ - Role: Rectification **Pins:** - COMP [pin 6] - CS [pin 5] - DRV [pin 8] - GND [pin 7] - MIN_TOFF [pin 2] - MIN_TON [pin 3] - TRIG/DIS [pin 4] - VCC [pin 1] ### U5V1 — [TPS565201DDCT](https://www.flux.ai/lcsc/tps565201ddct~sinb.md) - Role: Power Conversion - Datasheet URL: https://www.lcsc.com/datasheet/C2072027.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=EgBXBgFWFQIPVF0DRgdWU1dRFQALVQJXQVYMUFMAFAUxVlNRQ1FfX1RTRFhaUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C2072027 - Manufacturer Part Number: TPS565201DDCT - Role Details: Selected for 12V_ISO to 5V/5A secondary rail. Integrated synchronous buck regulator; final thermal validation required for 5A continuous. - Part Type: DC-DC Converters - JLCPCB Part Class: Extended Part - Package or Case Code: TSOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR - Manufacturer Name: TI(德州仪器) **Pins:** - EN [pin 5] - GND [pin 1] - SW [pin 2] - VBST [pin 6] - VFB [pin 4] - VIN [pin 3] ### UFB1 — [TL431](https://www.flux.ai/lcsc/tl431~qib4.md) - Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR - IC Type: Voltage References - Part Type: Voltage References - Logic Function: Adjustable Shunt Voltage Regulator - Product Info Url: https://lcsc.com/product-detail/Voltage-References_TL431_C111578.html - Power Consumtion: 0.001W - Frequency: not specificHz - Manufacturer Part Number: TL431 - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810111320_Shikues-TL431_C111578.pdf - Role: Voltage Reference - LCSC Part Number: C111578 - Operating Voltage: 2.5V to 36V - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) **Pins:** - AN [pin 3] - CAT [pin 2] - REF [pin 1] ### UISO1 — [PC817X2NSZ9F](https://www.flux.ai/lcsc/pc817x2nsz9f~p27u.md) - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1912111437_Sharp-Microelectronics-PC817X2NSZ9F_C390734.pdf - Role: Isolation - Manufacturer Part Number: PC817X2NSZ9F - Part Type: Optocouplers - Phototransistor Output - Manufacturer Name: SHARP(夏普) - Product Info Url: https://lcsc.com/product-detail/DIP-Optocouplers_Sharp-Microelectronics-PC817X2NSZ9F_C390734.html - Package or Case Code: DIP-4_L6.4-W4.6-P2.54-LS7.6-BL - LCSC Part Number: C390734 **Pins:** - Anode [pin 1] - Cathode [pin 2] - Collector [pin 4] - Emitter [pin 3] ### USR1 — [NCP4304BDR2G](https://www.flux.ai/engineergeorge/ncp4304bdr2g~vq.md) - Role Details: One NCP4304 per SR MOSFET. Final blanking/min on/off timing and drain/source sensing must be validated against transformer polarity and switching waveforms. - Compliance: RoHS - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: ON Semiconductor - Part Type: Secondary Side Synchronous Rectification Driver - Package or Case Code: SOIC127P600X170-9N - Role: Rectification - Manufacturer Part Number: NCP4304BDR2G - Datasheet URL: https://www.onsemi.com/pdf/datasheet/ncp4304b-d.pdf **Pins:** - COMP [pin 6] - CS [pin 5] - DRV [pin 8] - GND [pin 7] - MIN_TOFF [pin 2] - MIN_TON [pin 3] - TRIG/DIS [pin 4] - VCC [pin 1] ### ZVAUX1 — [PESD18VF1BLYL](https://www.flux.ai/adrian95/pesd18vf1blyl~k0b.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/PESD18VF1BL.pdf - Manufacturer Name: Nexperia USA Inc. - Voltage Rating: 18V - Role Details: First-pass VAUX overvoltage clamp; confirm clamp power/voltage versus aux winding at line/load extremes. - Manufacturer Part Number: PESD18VF1BLYL - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Role: Clamping **Pins:** - A [pin 2] - C [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/blbrown/400hz-isolated-pfc-power-supply~aj](https://www.flux.ai/blbrown/400hz-isolated-pfc-power-supply~aj).* --- *Generated from [https://www.flux.ai/blbrown/400hz-isolated-pfc-power-supply~aj](https://www.flux.ai/blbrown/400hz-isolated-pfc-power-supply~aj)*