# USB type-C PD DFP [Staging_V1_10-29-25] ## Description USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring.. ## Project Details - **Owner:** ryanf - **Created:** 10/29/2025 - **Last Updated:** 10/29/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 8 ## Key Components ### — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### D1 — [TPD2E1B06DRLR](https://www.flux.ai/lcsc/tpd2e1b06drlr~xbhg.md) - LCSC Part Number: C1974127 - Package or Case Code: SOT-666-6_L1.6-W1.2-P0.50-LS1.6-TL - Manufacturer Name: TI(德州仪器) - Part Type: TVS - JLCPCB Part Class: Extended Part - Manufacturer Part Number: TPD2E1B06DRLR **Pins:** - IOA1 [pin 1] - IOA2 [pin 5] - IOB1 [pin 2] - IOB2 [pin 4] - NC [pin 6] - NC [pin 3] ### D10 — [BAS 52-02V H6327](https://www.flux.ai/lcsc/bas-52-02v-h6327~0wkx.md) - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Infineon-Technologies-BAS-52-02V-H6327_C533599.html - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2304140030_Infineon-Technologies-BAS-52-02V-H6327_C533599.pdf - Package or Case Code: SC-79_L1.2-W0.8-LS1.6-RD - Manufacturer Part Number: BAS 52-02V H6327 - JLCPCB Part Class: Extended Part - LCSC Part Number: C533599 - Manufacturer Name: Infineon(英飞凌) **Pins:** - A [pin 2] - C [pin 1] ### D11 — [BZX585-C18,115](https://www.flux.ai/adrian95/bzx585-c18c115~ely.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BZX585_SER.pdf - Manufacturer Name: Nexperia USA Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: BZX585-C18,115 - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### D2 — [BZX585-C5V1,115](https://www.flux.ai/lcsc/bzx585-c5v1c115~jolm.md) - Manufacturer Name: Nexperia(安世) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010402_Nexperia-BZX585-C5V1-115_C282539.pdf - Package or Case Code: SOD-523_L1.2-W0.8-LS1.6-RD - LCSC Part Number: C282539 - Product Info Url: https://lcsc.com/product-detail/Others_Nexperia_BZX585-C5V1-115_Nexperia-BZX585-C5V1-115_C282539.html - JLCPCB Part Class: Extended Part - Manufacturer Part Number: BZX585-C5V1,115 - Part Type: Zener Diodes **Pins:** - A [pin 2] - C [pin 1] ### D3 — [SS1P3L-M3/84A](https://www.flux.ai/jecstronic/ss1p3l-m384a~rht.md) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Vishay General Semiconductor - Diodes Division - Datasheet URL: https://www.vishay.com/docs/88915/ss1p3l.pdf - Manufacturer Part Number: SS1P3L-M3/84A **Pins:** - A [pin 2] - K [pin 1] ### D4 — [BAS 52-02V H6327](https://www.flux.ai/lcsc/bas-52-02v-h6327~0wkx.md) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Infineon-Technologies-BAS-52-02V-H6327_C533599.html - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2304140030_Infineon-Technologies-BAS-52-02V-H6327_C533599.pdf - Package or Case Code: SC-79_L1.2-W0.8-LS1.6-RD - Manufacturer Part Number: BAS 52-02V H6327 - Part Type: Schottky Barrier Diodes (SBD) - Manufacturer Name: Infineon(英飞凌) - JLCPCB Part Class: Extended Part - LCSC Part Number: C533599 **Pins:** - A [pin 2] - C [pin 1] ### D5 — [BAS 52-02V H6327](https://www.flux.ai/lcsc/bas-52-02v-h6327~0wkx.md) - Part Type: Schottky Barrier Diodes (SBD) - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2304140030_Infineon-Technologies-BAS-52-02V-H6327_C533599.pdf - Manufacturer Part Number: BAS 52-02V H6327 - Package or Case Code: SC-79_L1.2-W0.8-LS1.6-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Infineon-Technologies-BAS-52-02V-H6327_C533599.html - LCSC Part Number: C533599 - JLCPCB Part Class: Extended Part - Manufacturer Name: Infineon(英飞凌) **Pins:** - A [pin 2] - C [pin 1] ### D6 — [SS1P3L-M3/84A](https://www.flux.ai/jecstronic/ss1p3l-m384a~rht.md) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS1P3L-M3/84A - Manufacturer Name: Vishay General Semiconductor - Diodes Division - Datasheet URL: https://www.vishay.com/docs/88915/ss1p3l.pdf **Pins:** - A [pin 2] - K [pin 1] ### D7 — [BAS 52-02V H6327](https://www.flux.ai/lcsc/bas-52-02v-h6327~0wkx.md) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Infineon-Technologies-BAS-52-02V-H6327_C533599.html - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2304140030_Infineon-Technologies-BAS-52-02V-H6327_C533599.pdf - Manufacturer Part Number: BAS 52-02V H6327 - Package or Case Code: SC-79_L1.2-W0.8-LS1.6-RD - Part Type: Schottky Barrier Diodes (SBD) - Manufacturer Name: Infineon(英飞凌) - JLCPCB Part Class: Extended Part - LCSC Part Number: C533599 **Pins:** - A [pin 2] - C [pin 1] ### D8 — [SS1P3L-M3/84A](https://www.flux.ai/jecstronic/ss1p3l-m384a~rht.md) - Manufacturer Part Number: SS1P3L-M3/84A - Manufacturer Name: Vishay General Semiconductor - Diodes Division - Datasheet URL: https://www.vishay.com/docs/88915/ss1p3l.pdf - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D9 — [BAS 52-02V H6327](https://www.flux.ai/lcsc/bas-52-02v-h6327~0wkx.md) - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_Infineon-Technologies-BAS-52-02V-H6327_C533599.html - Package or Case Code: SC-79_L1.2-W0.8-LS1.6-RD - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2304140030_Infineon-Technologies-BAS-52-02V-H6327_C533599.pdf - Manufacturer Part Number: BAS 52-02V H6327 - JLCPCB Part Class: Extended Part - LCSC Part Number: C533599 - Manufacturer Name: Infineon(英飞凌) **Pins:** - A [pin 2] - C [pin 1] ### IC2 — [TPS2514ADBVR](https://www.flux.ai/vasyl/tps2514adbvr~8qi.md) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftps2514a - Part Type: Integrated Circuit - Manufacturer Part Number: TPS2514ADBVR - Manufacturer Name: Texas Instruments **Pins:** - DM1 [pin 6] - DP1 [pin 1] - GND [pin 2] - IN [pin 5] - NC [pin 4] - NC [pin 3] ### J1 — [TYPE-C-31-M-12](https://www.flux.ai/vasy_skral/type-c-31-m-12~75f.md) - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: Parametric - Part Type: Connector - Manufacturer Part Number: TYPE-C-31-M-12 - Datasheet URL: https://en.krhro.com/npublic/opdfjs/web/viewer.html?file=https%3A%2F%2Fomo-oss-file.thefastfile.com%2Fportal-saas%2Fnew2023011311465142457%2Fcms%2Ffile%2F95f41c83-14fa-41cb-9f86-8d6a717317e5.pdf - Manufacturer Name: Korean Hroparts Elec **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin B1A12] - GND [pin A1B12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S3] - SHIELD [pin S1] - SHIELD [pin S4] - SHIELD [pin S2] - VBUS [pin B4A9] - VBUS [pin A4B9] ### Q1 — [CSD17578Q5A](https://www.flux.ai/kicad-part-library/csd17578q5a~hs8.md) - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: {"text":"http://www.ti.com/lit/gpn/csd17578q5a","type":"link","value":"http://www.ti.com/lit/gpn/csd17578q5a"} - Manufacturer Part Number: CSD17578Q5A - Package or Case Code: TDSON-8-1 **Pins:** - D [pin 5] - G [pin 4] - S [pin 1] - S [pin 2] - S [pin 3] ### Q10 — [MMBT3904TT1G](https://www.flux.ai/lcsc/mmbt3904tt1g~gj5s.md) - Manufacturer Name: onsemi(安森美) - Part Type: Bipolar Transistors - BJT - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MMBT3904TT1G - Package or Case Code: SC-75-3_L1.6-W0.8-P1.00-LS1.6-BR - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_MMBT3904TT1G_ON-Semicon-ON-MMBT3904TT1G_C242260.html - LCSC Part Number: C242260 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2210210100_onsemi-MMBT3904TT1G_C242260.pdf **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q2 — [CSD17578Q5A](https://www.flux.ai/kicad-part-library/csd17578q5a~hs8.md) - Manufacturer Name: Texas Instruments Inc. - Package or Case Code: TDSON-8-1 - Manufacturer Part Number: CSD17578Q5A - Datasheet URL: {"text":"http://www.ti.com/lit/gpn/csd17578q5a","type":"link","value":"http://www.ti.com/lit/gpn/csd17578q5a"} **Pins:** - D [pin 5] - G [pin 4] - S [pin 1] - S [pin 2] - S [pin 3] ### Q3 — [CSD17578Q5A](https://www.flux.ai/kicad-part-library/csd17578q5a~hs8.md) - Package or Case Code: TDSON-8-1 - Datasheet URL: {"value":"http://www.ti.com/lit/gpn/csd17578q5a","text":"http://www.ti.com/lit/gpn/csd17578q5a","type":"link"} - Manufacturer Part Number: CSD17578Q5A - Manufacturer Name: Texas Instruments Inc. **Pins:** - D [pin 5] - G [pin 4] - S [pin 1] - S [pin 2] - S [pin 3] ### Q4 — [CSD17578Q5A](https://www.flux.ai/kicad-part-library/csd17578q5a~hs8.md) - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: CSD17578Q5A - Datasheet URL: {"type":"link","text":"http://www.ti.com/lit/gpn/csd17578q5a","value":"http://www.ti.com/lit/gpn/csd17578q5a"} - Package or Case Code: TDSON-8-1 **Pins:** - D [pin 5] - G [pin 4] - S [pin 1] - S [pin 2] - S [pin 3] ### Q5 — [CSD17578Q5A](https://www.flux.ai/kicad-part-library/csd17578q5a~hs8.md) - Manufacturer Part Number: CSD17578Q5A - Datasheet URL: {"text":"http://www.ti.com/lit/gpn/csd17578q5a","type":"link","value":"http://www.ti.com/lit/gpn/csd17578q5a"} - Package or Case Code: TDSON-8-1 - Manufacturer Name: Texas Instruments Inc. **Pins:** - D [pin 5] - G [pin 4] - S [pin 1] - S [pin 2] - S [pin 3] ### Q6 — [CSD17578Q5A](https://www.flux.ai/kicad-part-library/csd17578q5a~hs8.md) - Manufacturer Name: Texas Instruments Inc. - Package or Case Code: TDSON-8-1 - Manufacturer Part Number: CSD17578Q5A - Datasheet URL: {"value":"http://www.ti.com/lit/gpn/csd17578q5a","type":"link","text":"http://www.ti.com/lit/gpn/csd17578q5a"} **Pins:** - D [pin 5] - G [pin 4] - S [pin 1] - S [pin 2] - S [pin 3] ### Q7 — [CSD17483F4](https://www.flux.ai/lcsc/csd17483f4~o68n.md) - LCSC Part Number: C139403 - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/MOSFET_TI_CSD17483F4_CSD17483F4_C139403.html - Datasheet URL: https://lcsc.com/product-detail/MOSFET_TI_CSD17483F4_CSD17483F4_C139403.html - Package or Case Code: LGA-3_L0.6-W1.0 - Manufacturer Name: TI(德州仪器) - Manufacturer Part Number: CSD17483F4 - Part Type: MOSFETs **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q8 — [BSS84W-7-F](https://www.flux.ai/lcsc/bss84w-7-f~bcoz.md) - Product Info Url: https://lcsc.com/product-detail/MOSFET_DIODES_BSS84W-7-F_BSS84W-7-F_C110490.html - Part Type: MOSFETs - LCSC Part Number: C110490 - Manufacturer Name: DIODES(美台) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-BSS84W-7-F_C110490.pdf - Package or Case Code: SC-70-3_L2.1-W1.3-P1.30-LS2.1-BR - Manufacturer Part Number: BSS84W-7-F - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q9 — [CSD17483F4](https://www.flux.ai/lcsc/csd17483f4~o68n.md) - Product Info Url: https://lcsc.com/product-detail/MOSFET_TI_CSD17483F4_CSD17483F4_C139403.html - JLCPCB Part Class: Extended Part - LCSC Part Number: C139403 - Manufacturer Part Number: CSD17483F4 - Part Type: MOSFETs - Datasheet URL: https://lcsc.com/product-detail/MOSFET_TI_CSD17483F4_CSD17483F4_C139403.html - Package or Case Code: LGA-3_L0.6-W1.0 - Manufacturer Name: TI(德州仪器) **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### U1 — [TPS25740RGER](https://www.flux.ai/lcsc/tps25740rger~lobz.md) - Symbol Style: Parametric - Manufacturer Name: TI(德州仪器) - Part Type: USB ICs - JLCPCB Part Class: Extended Part - LCSC Part Number: C544310 - Package or Case Code: VQFN-24_L4.0-W4.0-P0.50-TL-EP - Manufacturer Part Number: TPS25740RGER **Pins:** - ~{EN12V}/~{EN9V} [pin 8] - ~{GD} [pin 15] - ~{UFP} [pin 11] - AGND [pin 18] - CC1 [pin 2] - CC2 [pin 3] - CTL1 [pin 6] - CTL2 [pin 7] - DSCG [pin 24] - DVDD [pin 13] - EP [pin 25] - GDNG [pin 22] - GDNS [pin 23] - GND [pin 4] - HIPWR [pin 5] - ISNS [pin 19] - N/C [pin 9] - N/C [pin 10] - PCTRL [pin 14] - PSEL [pin 12] - VAUX [pin 16] - VBUS [pin 21] - VDD [pin 17] - VPWR [pin 20] - VTX [pin 1] ### U2 — [TLV70450DBVT](https://www.flux.ai/lcsc/tlv70450dbvt~vpv4.md) - Part Type: Linear Voltage Regulators (LDO) - Package or Case Code: SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR - JLCPCB Part Class: Extended Part - Manufacturer Name: TI(德州仪器) - LCSC Part Number: C2861772 - Manufacturer Part Number: TLV70450DBVT **Pins:** - GND [pin 1] - IN [pin 2] - NC [pin 5] - NC [pin 4] - OUT [pin 3] ### U3 — [TL331IDBVRG4](https://www.flux.ai/lcsc/tl331idbvrg4~9kz8.md) - Manufacturer Name: TI(德州仪器) - LCSC Part Number: C179941 - Manufacturer Part Number: TL331IDBVRG4 - Part Type: Comparators - Package or Case Code: SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR **Pins:** - GND [pin 2] - IN- [pin 1] - IN+ [pin 3] - OUT [pin 4] - VCC [pin 5] ### U4 — [LM5175RHFR](https://www.flux.ai/lcsc/lm5175rhfr~xc0y.md) - LCSC Part Number: C132204 - Manufacturer Name: TI(德州仪器) - Product Info Url: https://lcsc.com/product-detail/DC-DC-Converters_Texas-Instruments_LM5175RHFR_Texas-Instruments-TI-LM5175RHFR_C132204.html - Part Type: DC-DC Controllers - Manufacturer Part Number: LM5175RHFR - Symbol Style: Parametric - JLCPCB Part Class: Extended Part - Datasheet URL: {"value":"https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf","text":"https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf","type":"link"} - Package or Case Code: QFN-28_L5.0-W4.0-P0.50-TL-EP3.3 **Pins:** - AGND [pin 7] - BIAS [pin 21] - BOOT1 [pin 23] - BOOT2 [pin 17] - COMP [pin 6] - CS [pin 13] - CSG [pin 12] - DITH [pin 2] - EN/UVLO [pin 26] - FB [pin 8] - HDRV1 [pin 24] - HDRV2 [pin 16] - ISNS- [pin 10] - ISNS+ [pin 11] - LDRV1 [pin 22] - LDRV2 [pin 18] - MODE [pin 1] - PAD [pin 29] - PGND [pin 19] - PGOOD [pin 14] - RT [pin 3] - SLOPE [pin 4] - SS [pin 5] - SW1 [pin 25] - SW2 [pin 15] - VCC [pin 20] - VIN [pin 27] - VISNS [pin 28] - VOSNS [pin 9] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ryanf/usb-type-c-pd-dfp-stagingv110-29-25~yd](https://www.flux.ai/ryanf/usb-type-c-pd-dfp-stagingv110-29-25~yd).* --- *Generated from [https://www.flux.ai/ryanf/usb-type-c-pd-dfp-stagingv110-29-25~yd](https://www.flux.ai/ryanf/usb-type-c-pd-dfp-stagingv110-29-25~yd)*