# RP2350 Dual-Port SAS USB Interface ## Description USB-C powered RP2350 dual-port SAS interface board with opto-isolated current-loop and RS-232 populate-option front-ends. ## Project Details - **Owner:** pshoey - **Created:** 6/13/2026 - **Last Updated:** 7/7/2026 - **Visibility:** Public - **Forks:** 1 - **Copies:** 2 ## Key Components ### D_BOOST — [1N5817W](https://www.flux.ai/lcsc/1n5817w~nl3x.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2008281134_TWGMC-1N5817W_C727113.pdf - Manufacturer Part Number: 1N5817W - Part Type: Schottky Barrier Diodes (SBD) - JLCPCB Part Class: Extended Part - LCSC Part Number: C727113 - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Role: Rectification - Manufacturer Name: TWGMC(台湾迪嘉) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_TWGMC-1N5817W_C727113.html **Pins:** - A [pin 2] - C [pin 1] ### D_TVS_RX_A — [SMAJ13CA](https://www.flux.ai/adrian95/smaj13ca~3di.md) - Role: Cable TVS - Part Type: Diode - Manufacturer Name: Littelfuse Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smaj_datasheet.pdf.pdf - Manufacturer Part Number: SMAJ13CA **Pins:** - A [pin 2] - K [pin 1] ### D_TVS_RX_B — [SMAJ13CA](https://www.flux.ai/adrian95/smaj13ca~3di.md) - Part Type: Diode - Role: Cable TVS - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smaj_datasheet.pdf.pdf - Manufacturer Part Number: SMAJ13CA - Manufacturer Name: Littelfuse Inc. - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D_TVS_TX_A — [SMAJ13CA](https://www.flux.ai/adrian95/smaj13ca~3di.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Littelfuse Inc. - Manufacturer Part Number: SMAJ13CA - Role: Cable TVS - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smaj_datasheet.pdf.pdf - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### D_TVS_TX_B — [SMAJ13CA](https://www.flux.ai/adrian95/smaj13ca~3di.md) - Part Type: Diode - Role: Cable TVS - Manufacturer Part Number: SMAJ13CA - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smaj_datasheet.pdf.pdf - Manufacturer Name: Littelfuse Inc. - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D_USB — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - Manufacturer Name: UMW(友台半导体) - Power: 150W - Manufacturer Part Number: USBLC6-2SC6 - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Symbol Style: parametric-v1 - Breakdown Voltage: 6V - Role: ESD Protection - Peak Pulse Current: 5A - LCSC Part Number: C2687116 - JLCPCB Part Class: Extended Part - Operating Temperature: -55°C ~ 125°C (TJ) - Part Type: ESD Protection Devices - Maximum Clamping Voltage: 17V **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D1 — [1N5817W](https://www.flux.ai/lcsc/1n5817w~nl3x.md) - Manufacturer Part Number: 1N5817W - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2008281134_TWGMC-1N5817W_C727113.pdf - Part Type: Schottky Barrier Diodes (SBD) - Role: Power OR Schottky - JLCPCB Part Class: Extended Part - LCSC Part Number: C727113 - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Name: TWGMC(台湾迪嘉) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_TWGMC-1N5817W_C727113.html **Pins:** - A [pin 2] - C [pin 1] ### D2 — [1N5817W](https://www.flux.ai/lcsc/1n5817w~nl3x.md) - JLCPCB Part Class: Extended Part - Role: Power OR Schottky - LCSC Part Number: C727113 - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Manufacturer Name: TWGMC(台湾迪嘉) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_TWGMC-1N5817W_C727113.html - Manufacturer Part Number: 1N5817W - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2008281134_TWGMC-1N5817W_C727113.pdf - Part Type: Schottky Barrier Diodes (SBD) **Pins:** - A [pin 2] - C [pin 1] ### D3 — [1N5817W](https://www.flux.ai/lcsc/1n5817w~nl3x.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2008281134_TWGMC-1N5817W_C727113.pdf - Manufacturer Part Number: 1N5817W - Part Type: Schottky Barrier Diodes (SBD) - Role: Power OR Schottky - LCSC Part Number: C727113 - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_TWGMC-1N5817W_C727113.html - Manufacturer Name: TWGMC(台湾迪嘉) - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD **Pins:** - A [pin 2] - C [pin 1] ### J_SRC_A — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role: Configuration Jumper - Role Details: DNP default; bridges VCC10 to connector VCC pin - Resistance: 0Ω - Package: 0603 - Part Type: Resistor **Pins:** - P1 [pin 1] - P2 [pin 2] ### J_SRC_B — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Resistance: 0Ω - Role: Configuration Jumper - Role Details: DNP default; bridges VCC10 to connector VCC pin - Part Type: Resistor - Package: 0603 **Pins:** - P1 [pin 1] - P2 [pin 2] ### J_USB — [USB4105-GF-A](https://www.flux.ai/adrian95/usb4105-gf-a~im9.md) - Datasheet URL: https://gct.co/files/specs/usb4105-spec.pdf - Role: USB-C connector - Symbol Style: parametric-v1 - Part Type: USB C - Manufacturer Name: GCT - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: USB4105-GF-A - Manufacturer Name: GCT **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1_B12] - GND__1 [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHELL_GND [pin SH1] - SHELL_GND__1 [pin SH2] - SHELL_GND__2 [pin SH3] - SHELL_GND__3 [pin SH4] - VBUS [pin A4_B9] - VBUS__1 [pin B4_A9] ### J1 — [284391-4](https://www.flux.ai/adrian95/284391-4.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1-1773458-1_EURO_STYLE_QRG&DocType=Data%20Sheet&DocLang=English&PartCntxt=284391-4&DocFormat=pdf - Part Type: Connector - Connector Positions: 4 - Manufacturer Part Number: 284391-4 - Compliance: Green - Mount: Base - Role: SAS Port Connector - Manufacturer Name: TE Connectivity - Connector Pitch: 3.5mm **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J2 — [284391-4](https://www.flux.ai/adrian95/284391-4.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1-1773458-1_EURO_STYLE_QRG&DocType=Data%20Sheet&DocLang=English&PartCntxt=284391-4&DocFormat=pdf - Role: SAS Port Connector - Part Type: Connector - Connector Pitch: 3.5mm - Manufacturer Name: TE Connectivity - Connector Positions: 4 - Mount: Base - Compliance: Green - Manufacturer Part Number: 284391-4 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J5 — [302-S201](https://www.flux.ai/adrian95/302-s201~xfj.md) - Role: Expansion Header - Manufacturer Part Number: 302-S201 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6025/302-S.pdf - Part Type: Connector - Manufacturer Name: On Shore Technology Inc. **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J6 — [3220-10-0300-00](https://www.flux.ai/adrian95/3220-10-0300-00~4yk.md) - Package or Case Code: CNC_3220-10-0300-00 - Datasheet URL: https://www.cnctech.us/pdfs/3220-XX-0300-00_.pdf - Manufacturer Part Number: 3220-10-0300-00 - Manufacturer Name: CNC Tech - Part Type: Connector - Role: Logic Analyzer Header **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J7 — [3220-10-0300-00](https://www.flux.ai/adrian95/3220-10-0300-00~4yk.md) - Manufacturer Name: CNC Tech - Role: SWD Header - Part Type: Connector - Datasheet URL: https://www.cnctech.us/pdfs/3220-XX-0300-00_.pdf - Package or Case Code: CNC_3220-10-0300-00 - Manufacturer Part Number: 3220-10-0300-00 **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### LED_A_EGM — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Manufacturer Name: Hubei KENTO Elec - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Role: Indicator - Manufacturer Part Number: KT-0603R **Pins:** - A [pin 2] - K [pin 1] ### LED_A_HOST — [HSMG-C191](https://www.flux.ai/cherepanyadima/hsmg-c191~9s.md) - Manufacturer Name: Broadcom - Manufacturer Part Number: HSMG-C191 - Datasheet URL: https://docs.broadcom.com/doc/AV02-0551EN - Part Type: LED - Role: Indicator **Pins:** - ~ [pin 1] - ~ [pin 2] ### LED_A_RX — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt~c2g.md) - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - Manufacturer Part Number: LTST-C190KSKT - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Role: Indicator **Pins:** - A [pin 2] - K [pin 1] ### LED_A_TX — [HSMG-C191](https://www.flux.ai/cherepanyadima/hsmg-c191~9s.md) - Manufacturer Part Number: HSMG-C191 - Role Details: Port A TX activity green LED on GPIO2 - Datasheet URL: https://docs.broadcom.com/doc/AV02-0551EN - Manufacturer Name: Broadcom - Part Type: LED - Role: Indicator **Pins:** - ~ [pin 1] - ~ [pin 2] ### LED_B_EGM — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - Manufacturer Part Number: KT-0603R - Role: Indicator - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Hubei KENTO Elec - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED_B_HOST — [HSMG-C191](https://www.flux.ai/cherepanyadima/hsmg-c191~9s.md) - Part Type: LED - Manufacturer Name: Broadcom - Role: Indicator - Datasheet URL: https://docs.broadcom.com/doc/AV02-0551EN - Manufacturer Part Number: HSMG-C191 **Pins:** - ~ [pin 1] - ~ [pin 2] ### LED_B_RX — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt~c2g.md) - Role: Indicator - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - Manufacturer Part Number: LTST-C190KSKT - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED_B_TX — [HSMG-C191](https://www.flux.ai/cherepanyadima/hsmg-c191~9s.md) - Role: Indicator - Part Type: LED - Manufacturer Part Number: HSMG-C191 - Datasheet URL: https://docs.broadcom.com/doc/AV02-0551EN - Manufacturer Name: Broadcom **Pins:** - ~ [pin 1] - ~ [pin 2] ### LED_CABLE_A — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - Part Type: LED - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Manufacturer Name: Hubei KENTO Elec - Role Details: Lights directly from cable VCC independent of USB/firmware - Role: Indicator - Manufacturer Part Number: KT-0603R - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED_HB — [HSMG-C191](https://www.flux.ai/cherepanyadima/hsmg-c191~9s.md) - Role: Indicator - Part Type: LED - Datasheet URL: https://docs.broadcom.com/doc/AV02-0551EN - Manufacturer Part Number: HSMG-C191 - Manufacturer Name: Broadcom **Pins:** - ~ [pin 1] - ~ [pin 2] ### LED1 — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Manufacturer Name: Hubei KENTO Elec - Role Details: Lights directly from cable VCC independent of USB/firmware - Part Type: LED - Manufacturer Part Number: KT-0603R - License: https://creativecommons.org/licenses/by/4.0/ - Role: Indicator **Pins:** - A [pin 2] - K [pin 1] ### SW_RESET — [PTS815](https://www.flux.ai/vasy_skral/pts815~6b.md) - Manufacturer Name: C&K - Role: Tactile Button - Part Type: Switch - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### SW_SOFTBOOT — [PTS815](https://www.flux.ai/vasy_skral/pts815~6b.md) - Role: Tactile Button - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Part Type: Switch **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### TP1 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Role: Test Point - Part Type: Test Point **Pins:** - P1 [pin 1] ### TP2 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Part Type: Test Point - Role: Test Point - Testpoint Size: 0.5 **Pins:** - P1 [pin 1] ### TP3 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Test Point - Part Type: Test Point - Testpoint Size: 0.5 **Pins:** - P1 [pin 1] ### TP4 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Part Type: Test Point - Role: Test Point - Testpoint Size: 0.5 **Pins:** - P1 [pin 1] ### TP5 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Part Type: Test Point - Role: Test Point - Testpoint Size: 0.5 **Pins:** - P1 [pin 1] ### U_OPTO_RX_A — [6N139S-TA1-L](https://www.flux.ai/lcsc/6n139s-ta1-l~q2i2.md) - LCSC Part Number: C571213 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2005300208_Lite-On-6N139S-TA1-L_C571213.pdf - Role: Optocoupler - Package or Case Code: OPTO-SMD-8P_L9.7-W6.5-P2.54-LS10.0-BL - Product Info Url: https://lcsc.com/product-detail/Optocouplers_Lite-On-6N139S-TA1-L_C571213.html - JLCPCB Part Class: Extended Part - Part Type: Optocouplers - Phototransistor Output - Manufacturer Part Number: 6N139S-TA1-L - Manufacturer Name: LITEON(光宝) **Pins:** - ANODE [pin 2] - CATHODE [pin 3] - GND [pin 5] - NC [pin 4] - NC [pin 1] - VB [pin 7] - VCC [pin 8] - VO [pin 6] ### U_OPTO_RX_B — [6N139S-TA1-L](https://www.flux.ai/lcsc/6n139s-ta1-l~q2i2.md) - Role: Optocoupler - LCSC Part Number: C571213 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2005300208_Lite-On-6N139S-TA1-L_C571213.pdf - Package or Case Code: OPTO-SMD-8P_L9.7-W6.5-P2.54-LS10.0-BL - Product Info Url: https://lcsc.com/product-detail/Optocouplers_Lite-On-6N139S-TA1-L_C571213.html - JLCPCB Part Class: Extended Part - Part Type: Optocouplers - Phototransistor Output - Manufacturer Part Number: 6N139S-TA1-L - Manufacturer Name: LITEON(光宝) **Pins:** - ANODE [pin 2] - CATHODE [pin 3] - GND [pin 5] - NC [pin 4] - NC [pin 1] - VB [pin 7] - VCC [pin 8] - VO [pin 6] ### U_OPTO_TX_A — [6N139S-TA1-L](https://www.flux.ai/lcsc/6n139s-ta1-l~q2i2.md) - LCSC Part Number: C571213 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2005300208_Lite-On-6N139S-TA1-L_C571213.pdf - Role: Optocoupler - Package or Case Code: OPTO-SMD-8P_L9.7-W6.5-P2.54-LS10.0-BL - Part Type: Optocouplers - Phototransistor Output - Product Info Url: https://lcsc.com/product-detail/Optocouplers_Lite-On-6N139S-TA1-L_C571213.html - JLCPCB Part Class: Extended Part - Manufacturer Part Number: 6N139S-TA1-L - Manufacturer Name: LITEON(光宝) **Pins:** - ANODE [pin 2] - CATHODE [pin 3] - GND [pin 5] - NC [pin 4] - NC [pin 1] - VB [pin 7] - VCC [pin 8] - VO [pin 6] ### U_OPTO_TX_B — [6N139S-TA1-L](https://www.flux.ai/lcsc/6n139s-ta1-l~q2i2.md) - Manufacturer Part Number: 6N139S-TA1-L - Manufacturer Name: LITEON(光宝) - Part Type: Optocouplers - Phototransistor Output - Product Info Url: https://lcsc.com/product-detail/Optocouplers_Lite-On-6N139S-TA1-L_C571213.html - JLCPCB Part Class: Extended Part - Package or Case Code: OPTO-SMD-8P_L9.7-W6.5-P2.54-LS10.0-BL - Role: Optocoupler - LCSC Part Number: C571213 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2005300208_Lite-On-6N139S-TA1-L_C571213.pdf **Pins:** - ANODE [pin 2] - CATHODE [pin 3] - GND [pin 5] - NC [pin 4] - NC [pin 1] - VB [pin 7] - VCC [pin 8] - VO [pin 6] ### U_RS232_A — [MAX3232CDR](https://www.flux.ai/jecstronic/max3232cdr~b2k.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/max3232.pdf - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MAX3232CDR - Manufacturer Name: Texas Instruments - Role: RS-232 Populate Option **Pins:** - C1- [pin 3] - C1+ [pin 1] - C2- [pin 5] - C2+ [pin 4] - DIN1 [pin 11] - DIN2 [pin 10] - DOUT1 [pin 14] - DOUT2 [pin 7] - GND [pin 15] - RIN1 [pin 13] - RIN2 [pin 8] - ROUT1 [pin 12] - ROUT2 [pin 9] - V- [pin 6] - V+ [pin 2] - VCC [pin 16] ### U_RS232_B — [MAX3232CDR](https://www.flux.ai/jecstronic/max3232cdr~b2k.md) - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MAX3232CDR - Role: RS-232 Populate Option - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/max3232.pdf **Pins:** - C1- [pin 3] - C1+ [pin 1] - C2- [pin 5] - C2+ [pin 4] - DIN1 [pin 11] - DIN2 [pin 10] - DOUT1 [pin 14] - DOUT2 [pin 7] - GND [pin 15] - RIN1 [pin 13] - RIN2 [pin 8] - ROUT1 [pin 12] - ROUT2 [pin 9] - V- [pin 6] - V+ [pin 2] - VCC [pin 16] ### U1 — [RP2350A](https://www.flux.ai/vasy_skral/rp2350a~yf9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn2.flux.ai/copilot-datasheets/pdf-upload-42b1ac17fa99447872bb75334a75d2fe3396182f51790cdbf9b88e022ed43904/e095863baea4b32fe411f947dac8ff446ed7060b942529871db787c2bbf56cd5.pdf?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4876807598&Signature=N6C%2B7Ij%2Bsb7nb%2B%2BnSnRmIw2ZOtlHL2eSZA2EHgRDt4qhFGvMGzMuS%2F7On6FEvLOjojVr58pykv3TnGNPoM5%2F6NNKbCE1bUk6bTdx3MQPrcyzBRNhaA3eTRGtRO%2B7jf3HCeY5%2F31EPjYorHW%2FqfJ4rgwk8bHFyi%2B28GzFryKagSlDWnmxDwS9oLRqGmlbiTv1it2zpFZbaRnKEgGNgzMK45JjkKBOGRE6v2ZKBieaz9XRB2XFFkx7tSp%2B7%2B0tlpzpadDKXcpxgzpr3vyxwCRc%2FK2PACmlUiKL6jhyR9tLyy7CsUPe9cB8946GLCpQyA8Z7y52blkbps%2FnseMpsq1UPQ%3D%3D - Role: Main MCU - Role Details: Fixed GPIO map for dual SAS PIO ports and USB device interface - Symbol Style: Parametric - Part Type: Microcontroller - Compliance: RoHS,REACH,Conflict Minerals - Manufacturer Name: Raspberry Pi Ltd - Manufacturer Part Number: RP2350A - Package or Case Code: QFN40P700X700X90-61N **Pins:** - ADC_AVDD [pin 44] - DVDD [pin 6] - DVDD [pin 39] - DVDD [pin 23] - GND [pin 61] - GPIO0 [pin 2] - GPIO1 [pin 3] - GPIO10 [pin 14] - GPIO11 [pin 15] - GPIO12 [pin 16] - GPIO13 [pin 17] - GPIO14 [pin 18] - GPIO15 [pin 19] - GPIO16 [pin 27] - GPIO17 [pin 28] - GPIO18 [pin 29] - GPIO19 [pin 31] - GPIO2 [pin 4] - GPIO20 [pin 32] - GPIO21 [pin 33] - GPIO22 [pin 34] - GPIO23 [pin 35] - GPIO24 [pin 36] - GPIO25 [pin 37] - GPIO26_ADC0 [pin 40] - GPIO27_ADC1 [pin 41] - GPIO28_ADC2 [pin 42] - GPIO29_ADC3 [pin 43] - GPIO3 [pin 5] - GPIO4 [pin 7] - GPIO5 [pin 8] - GPIO6 [pin 9] - GPIO7 [pin 10] - GPIO8 [pin 12] - GPIO9 [pin 13] - IOVDD [pin 30] - IOVDD [pin 1] - IOVDD [pin 20] - IOVDD [pin 45] - IOVDD [pin 38] - IOVDD [pin 11] - QSPI_IOVDD [pin 54] - QSPI_SCLK [pin 56] - QSPI_SD0 [pin 57] - QSPI_SD1 [pin 59] - QSPI_SD2 [pin 58] - QSPI_SD3 [pin 55] - QSPI_SS [pin 60] - RUN [pin 26] - SWCLK [pin 24] - SWDIO [pin 25] - USB_DM [pin 51] - USB_DP [pin 52] - USB_OTP_VDD [pin 53] - VREG_AVDD [pin 46] - VREG_FB [pin 50] - VREG_LX [pin 48] - VREG_PGND [pin 47] - VREG_VIN [pin 49] - XIN [pin 21] - XOUT [pin 22] ### U2 — [W25Q32JWSSIQ TR](https://www.flux.ai/lcsc/w25q32jwssiq-tr~wr9x.md) - Manufacturer Name: WINBOND(华邦) - Role: QSPI Flash - Role Details: 4MB Winbond W25Q-series boot flash on RP2350 dedicated QSPI bus - Manufacturer Part Number: W25Q32JWSSIQ TR - Package or Case Code: SOIC-8_L5.3-W5.3-P1.27-LS7.9-BL - LCSC Part Number: C2456252 **Pins:** - /CS [pin 1] - /RESET(IO3) [pin 7] - /WP(IO2) [pin 3] - CLK [pin 6] - DI(IO0) [pin 5] - DO(IO1) [pin 2] - GND [pin 4] - VCC [pin 8] ### U3 — [AP2112K-3.3TRG1](https://www.flux.ai/adrian95/ap2112k-33trg1~zlq.md) - Manufacturer Part Number: AP2112K-3.3TRG1 - Role Details: 600mA LDO; estimated logic rail load within 600mA pending prototype current validation - Part Type: Integrated Circuit - Manufacturer Name: Diodes Incorporated - License: https://creativecommons.org/licenses/by/4.0/ - Role: 3.3V Regulator - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf - Symbol Style: parametric-v1 **Pins:** - EN [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] ### U4 — [TPS61040DRVR](https://www.flux.ai/jecstronic/tps61040drvr~6oy.md) - Manufacturer Part Number: TPS61040DRVR - Role Details: Set to 9V so cable VCC >=9V dominates Schottky OR - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps61041.pdf - Role: Boost Converter **Pins:** - EN [pin 3] - EP [pin 7] - FB [pin 4] - GND [pin 1] - NC [pin 5] - SW [pin 6] - VIN [pin 2] ### U7_BUF — [SN7407DE4](https://www.flux.ai/lcsc/sn7407de4~3ice.md) - Part Type: Buffers / Drivers - LCSC Part Number: C1548710 - Role: Open Collector Buffer - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL - Manufacturer Part Number: SN7407DE4 - Manufacturer Name: TI(德州仪器) **Pins:** - 1A [pin 1] - 1Y [pin 2] - 2A [pin 3] - 2Y [pin 4] - 3A [pin 5] - 3Y [pin 6] - 4A [pin 9] - 4Y [pin 8] - 5A [pin 11] - 5Y [pin 10] - 6A [pin 13] - 6Y [pin 12] - GND [pin 7] - VCC [pin 14] ### Y1 — [ABM8-12.000MHZ-B2-T](https://www.flux.ai/adrian95/abm8-12p000mhz-b2-t~rot.md) - Frequency: 12MHz - Package or Case Code: XTAL_ABM8-12.000MHZ-B2-T - Role: Crystal - Part Type: Oscillator - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6536/ABM8_Datasheet.pdf - Manufacturer Name: Abracon - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ABM8-12.000MHZ-B2-T **Pins:** - ~ [pin 3] - ~ [pin 1] - GND [pin 2] - GND__1 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pshoey/rp2350-dual-port-sas-usb-interface~a9](https://www.flux.ai/pshoey/rp2350-dual-port-sas-usb-interface~a9).* --- *Generated from [https://www.flux.ai/pshoey/rp2350-dual-port-sas-usb-interface~a9](https://www.flux.ai/pshoey/rp2350-dual-port-sas-usb-interface~a9)*