# RP2350B Industrial Ethernet Controller ## Description Industrial-grade RP2350B controller with W5500 Ethernet, 24V input power, isolated industrial I/O, RS485, USB hub, relay outputs, and robust connector protection for -40°C to +85°C consumer/industrial use. ## Project Details - **Owner:** enjoychul - **Created:** 6/5/2026 - **Last Updated:** 6/6/2026 - **Visibility:** Public - **Operating Temperature:** -40°C to +85°C minimum - **Reliability Target (MTBF):** Industrial high-reliability; ESD/TVS on all external connectors - **Operating Voltage:** 24V DC input; internal 5V and 3.3V rails - **Connectivity:** 10/100 Ethernet, RS485, USB hub, SPI expansion, PWM, stepper control - **Domain:** Industrial controller / Ethernet I/O node ## Key Components ### D1 — [SMBJ33A](https://www.flux.ai/lcsc/smbj33a~g375.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010132_Shikues-SMBJ33A_C499848.pdf - Manufacturer Name: SHIKUES(时科) - Role Details: 33V standoff 600W TVS for 24V input surge protection - Part Type: TVS - Role: Protection - Manufacturer Part Number: SMBJ33A - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/TVS_Shikues-SMBJ33A_C499848.html - LCSC Part Number: C499848 **Pins:** - A [pin 2] - C [pin 1] ### D2 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Symbol Style: parametric-v1 - Manufacturer Part Number: USBLC6-2SC6 - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - Operating Temperature: -55°C ~ 125°C (TJ) - Manufacturer Name: UMW(友台半导体) - Breakdown Voltage: 6V - JLCPCB Part Class: Extended Part - LCSC Part Number: C2687116 - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Part Type: ESD Protection Devices - Role Details: Low-capacitance dual-line ESD protection for exposed connector signals - Role: ESD Protection - Power: 150W - Maximum Clamping Voltage: 17V - Peak Pulse Current: 5A **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D3 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Maximum Clamping Voltage: 17V - Peak Pulse Current: 5A - Part Type: ESD Protection Devices - Role: ESD Protection - Power: 150W - Manufacturer Name: UMW(友台半导体) - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Breakdown Voltage: 6V - LCSC Part Number: C2687116 - JLCPCB Part Class: Extended Part - Symbol Style: parametric-v1 - Manufacturer Part Number: USBLC6-2SC6 - Role Details: Low-capacitance dual-line ESD protection for exposed connector signals - Operating Temperature: -55°C ~ 125°C (TJ) - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D4 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Manufacturer Name: UMW(友台半导体) - JLCPCB Part Class: Extended Part - Breakdown Voltage: 6V - LCSC Part Number: C2687116 - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Manufacturer Part Number: USBLC6-2SC6 - Symbol Style: parametric-v1 - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - Operating Temperature: -55°C ~ 125°C (TJ) - Role: ESD Protection - Maximum Clamping Voltage: 17V - Role Details: Low-capacitance dual-line ESD protection for exposed connector signals - Peak Pulse Current: 5A - Part Type: ESD Protection Devices - Power: 150W **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D5 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Operating Temperature: -55°C ~ 125°C (TJ) - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - Symbol Style: parametric-v1 - Manufacturer Part Number: USBLC6-2SC6 - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role: ESD Protection - JLCPCB Part Class: Extended Part - Breakdown Voltage: 6V - LCSC Part Number: C2687116 - Manufacturer Name: UMW(友台半导体) - Power: 150W - Part Type: ESD Protection Devices - Role Details: Low-capacitance dual-line ESD protection for exposed connector signals - Peak Pulse Current: 5A - 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] ### D6 — [SS34](https://www.flux.ai/lcsc/ss34~6q67.md) - Forward Voltage: 0.3V to 0.45V - Datasheet URL: https://www.lcsc.com/datasheet/C2758511.pdf - Package or Case Code: SMB_L4.3-W3.6-LS5.4-RD - Role: Rectification - Manufacturer Name: UMW(友台半导体) - Role Details: SS34 Schottky catch diode. 3A/40V is marginal for LM2596 3A max because datasheet recommends diode current rating >=1.3x load and VR >=1.25x VIN_MAX; upgrade to 5A, >=40V Schottky for full 3A/industrial short-circuit margin. - Manufacturer Part Number: SS34 - JLCPCB Part Class: Extended Part - Current Rating: 3A - LCSC Part Number: C2758511 - Diode Type: Schottky - Part Type: Schottky Barrier Diodes (SBD) - Reverse Voltage: 40V **Pins:** - A [pin 2] - K [pin 1] ### H1 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Role: Mounting Hole - 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/ - Role Details: M3 mechanical mounting at board corners; keep clear of high-voltage and isolated barrier routing **Pins:** - terminal ### J1 — [HR911105A](https://www.flux.ai/cherepanyadima/hr911105a~vx.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811141815_HANRUN-Zhongshan-HanRun-Elec-HR911105A_C12074.pdf - Role Details: 10/100 RJ45 MagJack with integrated magnetics and LEDs; LCSC available - Part Type: Connector - Role: Ethernet Connector - Manufacturer Name: HANRUN - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: HR911105A **Pins:** - ~ [pin 12] - ~ [pin 3] - ~ [pin 10] - ~ [pin 2] - ~ [pin 5] - ~ [pin 8] - ~ [pin 9] - ~ [pin 1] - ~ [pin 6] - ~ [pin 4] - ~ [pin 11] - SHIELD [pin 15] - SHIELD [pin 16] ### J10 — [2.54-1*4P母](https://www.flux.ai/lcsc/2p54-14p~oxt.md) - Role: Protection - Symbol Style: parametric-v1 - LCSC Part Number: C2718488 - Manufacturer Part Number: 2.54-1*4P母 - Role Details: PWM1/PWM2/3V3/GND header - Datasheet URL: https://www.lcsc.com/datasheet/C2718488.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhZU1ZVQVNYUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Package or Case Code: HDR-TH_4P-P2.54-V-F - Manufacturer Name: BOOMELE(博穆精密) - JLCPCB Part Class: Extended Part - Part Type: Pin Headers **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J11 — [20021121-00006C4LF](https://www.flux.ai/lcsc/20021121-00006c4lf~jhvh.md) - Manufacturer Part Number: 20021121-00006C4LF - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Amphenol-ICC-20021121-00006C4LF_C178291.pdf - Package or Case Code: HDR-SMD_6P-P1.27-V-M-R2-C3-S1.27-LS5.5 - Role: Protection - Part Type: Pin Headers - LCSC Part Number: C178291 - Manufacturer Name: Amphenol - Product Info Url: https://lcsc.com/product-detail/Male-Header_Amphenol_20021121-00006C4LF_20021121-00006C4LF-SMD-6P-pitch1-27mm_C178291.html - Role Details: STEP/DIR/EN/3V3/GND logic header with spare pin - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J12 — [USB Type A](https://www.flux.ai/baronunread/usb-type-a~7g.md) - LCSC Part Number: C6386909 - Manufacturer Part Number: 10.0 4C6.3 ZB - Package or Case Code: USB-TH_10.0-4C6.3-ZB - Role Details: USB 2.0 downstream port from hub - Part Type: easyeda2kicad - Role: Protection **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - SHIELD [pin 6] - SHIELD [pin 5] - SHIELD [pin 7] - SHIELD [pin 8] - VCC [pin 1] ### J14 — [2.54-1*4P母](https://www.flux.ai/lcsc/2p54-14p~oxt.md) - Part Type: Pin Headers - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/C2718488.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhZU1ZVQVNYUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role Details: SWD debug header SWDIO/SWCLK/3V3/GND - Package or Case Code: HDR-TH_4P-P2.54-V-F - Manufacturer Name: BOOMELE(博穆精密) - Role: Protection - LCSC Part Number: C2718488 - Symbol Style: parametric-v1 - Manufacturer Part Number: 2.54-1*4P母 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J15 — [5033981892](https://www.flux.ai/lcsc/5033981892~02h9.md) - Role: MicroSD Card Socket - Manufacturer Name: MOLEX - JLCPCB Part Class: Extended Part - Manufacturer Part Number: 5033981892 - Role Details: SPI MicroSD fail-safe logging; closest LCSC SMT socket found, temperature rating must be verified/substituted for -40°C compliance - Package or Case Code: TF-SMD_503398-1892 - LCSC Part Number: C428492 - Product Info Url: https://lcsc.com/product-detail/Connector-Card-Sockets_MOLEX-503398-1892_C428492.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302300_MOLEX-5033981892_C428492.pdf - Connector Type: Card Slot - Operating Temperature: -25℃~+85℃ - Card Type: MicroSD card (TF card) - Maximum Body Height: 1.28mm - Part Type: SIM Card Connectors **Pins:** - 10 [pin 10] - 9 [pin 9] - CD/DAT3 [pin 2] - CLK [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - EH [pin 11] - VDD [pin 4] - VSS [pin 6] ### J16 — [918-418K2022Y40004](https://www.flux.ai/lcsc/918-418k2022y40004~e06i.md) - Manufacturer Part Number: 918-418K2022Y40004 - LCSC Part Number: C168703 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2103051834_Jing-Extension-of-the-Electronic-Co--918-418K2022Y40004_C168703.pdf - Package or Case Code: USB-C-SMD_TYPE-C-3.1-FEMALE-TH-9.3 - Part Type: USB Connectors - JLCPCB Part Class: Extended Part - Role Details: Native RP2350B USB 2.0 device/debug connector; sink-only CC pull-downs and ESD protection required - Role: USB-C Device Port - Product Info Url: https://lcsc.com/product-detail/USB-Type-C_TYPE-C-3-1-9-3-TerminalSMT_C168703.html - Manufacturer Name: 精拓金 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - EH [pin 25] - EH [pin 28] - EH [pin 27] - EH [pin 26] - GND [pin A1] - GND [pin B1] - GND [pin B12] - GND [pin A12] - SSRXn1 [pin B10] - SSRXn2 [pin A10] - SSRXp1 [pin B11] - SSRXp2 [pin A11] - SSTXn1 [pin A3] - SSTXn2 [pin B3] - SSTXP1 [pin A2] - SSTXp2 [pin B2] - SUB1 [pin A8] - SUB2 [pin B8] - VBUS [pin B9] - VBUS [pin A9] - VBUS [pin A4] - VBUS [pin B4] ### J2 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md) - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf - Connector Pitch: 5.08mm - Connector Type: Screw terminal - Role Details: 24V DC input connector, protected front-end - LCSC Part Number: C474952 - Current Rating: 24A - Part Type: Screw terminal - Role: Protection - Connector Positions: 2 - Connector Rows: 1 - Manufacturer Part Number: KF128-5.08-2P-AA - JLCPCB Part Class: Extended Part - Operating Temperature: -40℃~+105℃ - Connector Gender: Female - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Manufacturer Name: KEFA(科发) **Pins:** - 1 [pin 1] - 2 [pin 2] ### J3 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn~6j.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf - Manufacturer Part Number: DB126V-5.0-3P-GN - Part Type: Connector - Manufacturer Name: DIBO - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: RS485 field connector - Role: Protection **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### J4 — [JL2EDGVC-50806G01](https://www.flux.ai/lcsc/jl2edgvc-50806g01~muce.md) - Manufacturer Part Number: JL2EDGVC-50806G01 - Part Type: Pluggable System Terminal Block - Role Details: Three 4-20mA loop input pairs - JLCPCB Part Class: Extended Part - LCSC Part Number: C409145 - Product Info Url: https://lcsc.com/product-detail/Pluggable-System-Terminal-Block_JILN-JL2EDGVC-50806G01_C409145.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010031_JILN-JL2EDGVC-50806G01_C409145.pdf - Role: Sensing (Shunt) - Package or Case Code: CONN-TH_6P-P5.08_JL2EDGVC-50806G01 - Manufacturer Name: JILN(锦凌) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J5 — [JL2EDGVC-50804G01](https://www.flux.ai/lcsc/jl2edgvc-50804g01~hhnh.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010031_JILN-JL2EDGVC-50804G01_C409144.pdf - JLCPCB Part Class: Extended Part - Package or Case Code: CONN-TH_4P-P5.08_JL2EDGVC-50804G01 - LCSC Part Number: C409144 - Manufacturer Name: JILN(锦凌) - Part Type: Pluggable System Terminal Block - Role Details: Two 24V DI channels - Manufacturer Part Number: JL2EDGVC-50804G01 - Role: Isolation - Product Info Url: https://lcsc.com/product-detail/Pluggable-System-Terminal-Block_JILN-JL2EDGVC-50804G01_C409144.html **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J6 — [JL2EDGVC-50804G01](https://www.flux.ai/lcsc/jl2edgvc-50804g01~hhnh.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010031_JILN-JL2EDGVC-50804G01_C409144.pdf - Package or Case Code: CONN-TH_4P-P5.08_JL2EDGVC-50804G01 - JLCPCB Part Class: Extended Part - Role: Isolation - Role Details: Two isolated digital outputs - Part Type: Pluggable System Terminal Block - LCSC Part Number: C409144 - Manufacturer Name: JILN(锦凌) - Product Info Url: https://lcsc.com/product-detail/Pluggable-System-Terminal-Block_JILN-JL2EDGVC-50804G01_C409144.html - Manufacturer Part Number: JL2EDGVC-50804G01 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J7 — [JL2EDGVC-50806G01](https://www.flux.ai/lcsc/jl2edgvc-50806g01~muce.md) - Role Details: Three relay COM/NO contact pairs - Part Type: Pluggable System Terminal Block - Manufacturer Part Number: JL2EDGVC-50806G01 - LCSC Part Number: C409145 - Product Info Url: https://lcsc.com/product-detail/Pluggable-System-Terminal-Block_JILN-JL2EDGVC-50806G01_C409145.html - JLCPCB Part Class: Extended Part - Package or Case Code: CONN-TH_6P-P5.08_JL2EDGVC-50806G01 - Role: Switching - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010031_JILN-JL2EDGVC-50806G01_C409145.pdf - Manufacturer Name: JILN(锦凌) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J8 — [20021121-00006C4LF](https://www.flux.ai/lcsc/20021121-00006c4lf~jhvh.md) - Manufacturer Name: Amphenol - LCSC Part Number: C178291 - Role: Protection - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Male-Header_Amphenol_20021121-00006C4LF_20021121-00006C4LF-SMD-6P-pitch1-27mm_C178291.html - Package or Case Code: HDR-SMD_6P-P1.27-V-M-R2-C3-S1.27-LS5.5 - Manufacturer Part Number: 20021121-00006C4LF - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Amphenol-ICC-20021121-00006C4LF_C178291.pdf - Part Type: Pin Headers - Role Details: SPI expansion header 3V3/GND/SCK/MOSI/MISO/CS **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J9 — [20021121-00006C4LF](https://www.flux.ai/lcsc/20021121-00006c4lf~jhvh.md) - Manufacturer Name: Amphenol - LCSC Part Number: C178291 - Product Info Url: https://lcsc.com/product-detail/Male-Header_Amphenol_20021121-00006C4LF_20021121-00006C4LF-SMD-6P-pitch1-27mm_C178291.html - JLCPCB Part Class: Extended Part - Package or Case Code: HDR-SMD_6P-P1.27-V-M-R2-C3-S1.27-LS5.5 - Manufacturer Part Number: 20021121-00006C4LF - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Amphenol-ICC-20021121-00006C4LF_C178291.pdf - Role: Protection - Part Type: Pin Headers - Role Details: SPI expansion header 3V3/GND/SCK/MOSI/MISO/CS **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### K1 — [5-1462037-9](https://www.flux.ai/adrian95/5-1462037-9~r5h.md) - Manufacturer Part Number: 5-1462037-9 - Datasheet URL: https://www.verical.com/datasheet/te-connectivity-signal-relays-5-1462037-9-98858.pdf - Role Details: 5V coil DPDT signal relay; use COM/NO contacts for outputs - Manufacturer Name: TE Connectivity Potter & Brumfield Relays - Part Type: Relay - License: https://creativecommons.org/licenses/by/4.0/ - Role: Switching **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### K2 — [5-1462037-9](https://www.flux.ai/adrian95/5-1462037-9~r5h.md) - Part Type: Relay - Datasheet URL: https://www.verical.com/datasheet/te-connectivity-signal-relays-5-1462037-9-98858.pdf - Manufacturer Part Number: 5-1462037-9 - Role: Switching - Manufacturer Name: TE Connectivity Potter & Brumfield Relays - Role Details: 5V coil DPDT signal relay; use COM/NO contacts for outputs - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### K3 — [5-1462037-9](https://www.flux.ai/adrian95/5-1462037-9~r5h.md) - Role Details: 5V coil DPDT signal relay; use COM/NO contacts for outputs - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Relay - Manufacturer Name: TE Connectivity Potter & Brumfield Relays - Role: Switching - Datasheet URL: https://www.verical.com/datasheet/te-connectivity-signal-relays-5-1462037-9-98858.pdf - Manufacturer Part Number: 5-1462037-9 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### LED1 — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: KT-0603R - Manufacturer Name: Hubei KENTO Elec - Role Details: Red 0603 status indicator, -40°C to +85°C candidate - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Part Type: LED - Role: Status LED **Pins:** - A [pin 2] - K [pin 1] ### LED10 — [XL-1608UBC-04](https://www.flux.ai/adrian95/xl-1608ubc-04~fxc.md) - Forward Voltage: 3.3V - Role: Status LED - Manufacturer Part Number: XL-1608UBC-04 - Role Details: Blue 0603 status indicator; verify -40°C substitute before military/industrial release - Part Type: LED - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2402181505_XINGLIGHT-XL-1608UBC-04_C965807.pdf - Manufacturer Name: XINGLIGHT - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED11 — [XL-1608UBC-04](https://www.flux.ai/adrian95/xl-1608ubc-04~fxc.md) - Role: Status LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: XL-1608UBC-04 - Role Details: Blue 0603 status indicator; verify -40°C substitute before military/industrial release - Forward Voltage: 3.3V - Manufacturer Name: XINGLIGHT - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2402181505_XINGLIGHT-XL-1608UBC-04_C965807.pdf - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED12 — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt~c2g.md) - Manufacturer Part Number: LTST-C190KSKT - Part Type: LED - Manufacturer Name: Lite-On Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - Role Details: Yellow 0603 status indicator for field diagnostics - Role: Status LED **Pins:** - A [pin 2] - K [pin 1] ### LED13 — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt~c2g.md) - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Status LED - Role Details: Yellow 0603 status indicator for field diagnostics - Manufacturer Name: Lite-On Inc. - Part Type: LED - Manufacturer Part Number: LTST-C190KSKT **Pins:** - A [pin 2] - K [pin 1] ### LED14 — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt~c2g.md) - Role: Status LED - Manufacturer Name: Lite-On Inc. - Manufacturer Part Number: LTST-C190KSKT - Part Type: LED - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Yellow 0603 status indicator for field diagnostics **Pins:** - A [pin 2] - K [pin 1] ### LED15 — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt~c2g.md) - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Yellow 0603 status indicator for field diagnostics - Role: Status LED - Part Type: LED - Manufacturer Part Number: LTST-C190KSKT - Manufacturer Name: Lite-On Inc. **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - Role: Status LED - Manufacturer Name: Hubei KENTO Elec - Part Type: LED - Role Details: Red 0603 status indicator, -40°C to +85°C candidate - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Manufacturer Part Number: KT-0603R - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LTST-C191KGKT](https://www.flux.ai/lcsc/ltst-c191kgkt~r4e8.md) - Forward Voltage Drop: 2V - Max Reverse Voltage: 5V - Role: Status LED - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811100910_Lite-On-LTST-C191KGKT_C125098.pdf - Max Forward Current: 30mA - LCSC Part Number: C125098 - Role Details: Green/yellow-green 0603 status indicator, industrial temperature candidate - Part Type: Light Emitting Diodes (LED) - Manufacturer Part Number: LTST-C191KGKT - JLCPCB Part Class: Extended Part - Manufacturer Name: LITEON(光宝) - Package or Case Code: LED0603-RD - Product Info Url: https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_SMD-green_C125098.html **Pins:** - - [pin 1] - + [pin 2] ### LED4 — [LTST-C191KGKT](https://www.flux.ai/lcsc/ltst-c191kgkt~r4e8.md) - Forward Voltage Drop: 2V - Role Details: Green/yellow-green 0603 status indicator, industrial temperature candidate - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811100910_Lite-On-LTST-C191KGKT_C125098.pdf - Max Reverse Voltage: 5V - LCSC Part Number: C125098 - Max Forward Current: 30mA - Part Type: Light Emitting Diodes (LED) - Manufacturer Part Number: LTST-C191KGKT - Role: Status LED - Package or Case Code: LED0603-RD - JLCPCB Part Class: Extended Part - Manufacturer Name: LITEON(光宝) - Product Info Url: https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_SMD-green_C125098.html **Pins:** - - [pin 1] - + [pin 2] ### LED5 — [LTST-C191KGKT](https://www.flux.ai/lcsc/ltst-c191kgkt~r4e8.md) - Max Forward Current: 30mA - LCSC Part Number: C125098 - Role: Status LED - Forward Voltage Drop: 2V - Max Reverse Voltage: 5V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811100910_Lite-On-LTST-C191KGKT_C125098.pdf - Manufacturer Name: LITEON(光宝) - Role Details: Green/yellow-green 0603 status indicator, industrial temperature candidate - JLCPCB Part Class: Extended Part - Package or Case Code: LED0603-RD - Product Info Url: https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_SMD-green_C125098.html - Manufacturer Part Number: LTST-C191KGKT - Part Type: Light Emitting Diodes (LED) **Pins:** - - [pin 1] - + [pin 2] ### LED6 — [LTST-C191KGKT](https://www.flux.ai/lcsc/ltst-c191kgkt~r4e8.md) - Manufacturer Part Number: LTST-C191KGKT - Part Type: Light Emitting Diodes (LED) - Product Info Url: https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_SMD-green_C125098.html - Package or Case Code: LED0603-RD - JLCPCB Part Class: Extended Part - Manufacturer Name: LITEON(光宝) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811100910_Lite-On-LTST-C191KGKT_C125098.pdf - Max Reverse Voltage: 5V - Forward Voltage Drop: 2V - Role: Status LED - Role Details: Green/yellow-green 0603 status indicator, industrial temperature candidate - LCSC Part Number: C125098 - Max Forward Current: 30mA **Pins:** - - [pin 1] - + [pin 2] ### LED7 — [LTST-C191KGKT](https://www.flux.ai/lcsc/ltst-c191kgkt~r4e8.md) - Part Type: Light Emitting Diodes (LED) - Manufacturer Part Number: LTST-C191KGKT - Role Details: Green/yellow-green 0603 status indicator, industrial temperature candidate - Package or Case Code: LED0603-RD - Manufacturer Name: LITEON(光宝) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_SMD-green_C125098.html - Forward Voltage Drop: 2V - Role: Status LED - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811100910_Lite-On-LTST-C191KGKT_C125098.pdf - Max Reverse Voltage: 5V - LCSC Part Number: C125098 - Max Forward Current: 30mA **Pins:** - - [pin 1] - + [pin 2] ### LED8 — [LTST-C191KGKT](https://www.flux.ai/lcsc/ltst-c191kgkt~r4e8.md) - Part Type: Light Emitting Diodes (LED) - Manufacturer Part Number: LTST-C191KGKT - Product Info Url: https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_SMD-green_C125098.html - Role Details: Green/yellow-green 0603 status indicator, industrial temperature candidate - Package or Case Code: LED0603-RD - Manufacturer Name: LITEON(光宝) - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811100910_Lite-On-LTST-C191KGKT_C125098.pdf - Max Reverse Voltage: 5V - Forward Voltage Drop: 2V - Role: Status LED - LCSC Part Number: C125098 - Max Forward Current: 30mA **Pins:** - - [pin 1] - + [pin 2] ### LED9 — [XL-1608UBC-04](https://www.flux.ai/adrian95/xl-1608ubc-04~fxc.md) - Manufacturer Part Number: XL-1608UBC-04 - Forward Voltage: 3.3V - Manufacturer Name: XINGLIGHT - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2402181505_XINGLIGHT-XL-1608UBC-04_C965807.pdf - Part Type: LED - Role: Status LED - Role Details: Blue 0603 status indicator; verify -40°C substitute before military/industrial release - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Part Type: MOSFETs - Operating Temperature: -55 ~ +150℃ - Drain to Source Voltage: 30V - JLCPCB Part Class: Extended Part - Continuous Drain Current: 5.7A - Transistor Type: N-channel MOSFET - Manufacturer Part Number: AO3400A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Role Details: Logic-level N-MOSFET low-side output/relay driver, -55C to 150C, LCSC - Role: Switching - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C347475 - Power: 1.4W **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q2 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Operating Temperature: -55 ~ +150℃ - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Part Type: MOSFETs - Continuous Drain Current: 5.7A - Role: Switching - Transistor Type: N-channel MOSFET - Role Details: Logic-level N-MOSFET low-side output/relay driver, -55C to 150C, LCSC - Manufacturer Part Number: AO3400A - Drain to Source Voltage: 30V - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - LCSC Part Number: C347475 - Manufacturer Name: UMW(友台半导体) - Power: 1.4W **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - LCSC Part Number: C347475 - Manufacturer Name: UMW(友台半导体) - Power: 1.4W - Role Details: Logic-level N-MOSFET low-side output/relay driver, -55C to 150C, LCSC - Role: Switching - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - JLCPCB Part Class: Extended Part - Drain to Source Voltage: 30V - Manufacturer Part Number: AO3400A - Continuous Drain Current: 5.7A - Transistor Type: N-channel MOSFET - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Part Type: MOSFETs - Operating Temperature: -55 ~ +150℃ **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q4 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Role Details: Logic-level N-MOSFET low-side output/relay driver, -55C to 150C, LCSC - Role: Switching - Power: 1.4W - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C347475 - Operating Temperature: -55 ~ +150℃ - Part Type: MOSFETs - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Continuous Drain Current: 5.7A - Transistor Type: N-channel MOSFET - Manufacturer Part Number: AO3400A - Drain to Source Voltage: 30V - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q5 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - JLCPCB Part Class: Extended Part - Drain to Source Voltage: 30V - Continuous Drain Current: 5.7A - Transistor Type: N-channel MOSFET - Manufacturer Part Number: AO3400A - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Part Type: MOSFETs - Operating Temperature: -55 ~ +150℃ - LCSC Part Number: C347475 - Manufacturer Name: UMW(友台半导体) - Power: 1.4W - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Role Details: Logic-level N-MOSFET low-side output/relay driver, -55C to 150C, LCSC - Role: Switching - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — [TSC015A04310A](https://www.flux.ai/lcsc/tsc015a04310a~20ms.md) - Package or Case Code: SW-SMD_4P-L4.5-W4.5-P3.00-LS6.8 - Role: Switching - Manufacturer Part Number: TSC015A04310A - Datasheet URL: https://www.lcsc.com/datasheet/C2888974.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RZVVRRQ1VaXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C2888974 - Manufacturer Name: BZCN(博众电气) - Part Type: Tactile Switches - JLCPCB Part Class: Extended Part - Role Details: Momentary tactile switch for BOOTSEL and RESET **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### SW2 — [TSC015A04310A](https://www.flux.ai/lcsc/tsc015a04310a~20ms.md) - Package or Case Code: SW-SMD_4P-L4.5-W4.5-P3.00-LS6.8 - Datasheet URL: https://www.lcsc.com/datasheet/C2888974.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RZVVRRQ1VaXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Manufacturer Part Number: TSC015A04310A - Role: Switching - LCSC Part Number: C2888974 - Role Details: Momentary tactile switch for BOOTSEL and RESET - Manufacturer Name: BZCN(博众电气) - Part Type: Tactile Switches - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U1 — [RP2350B](https://www.flux.ai/vasy_skral/rp2350b~1qq.md) - Manufacturer Name: Raspberry Pi Ltd - Symbol Style: Parametric - Role Details: RP2350B controller core; -40C to +85C requirement to be verified during sourcing - Datasheet URL: https://cdn2.flux.ai/copilot-datasheets/pdf-upload-42b1ac17fa99447872bb75334a75d2fe3396182f51790cdbf9b88e022ed43904/e095863baea4b32fe411f947dac8ff446ed7060b942529871db787c2bbf56cd5.pdf?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4876807597&Signature=XC2kq7swDloo1naI9XLpMuwVUQhWP2kldbcQM872YiEeB5Q30AKJw3q4FbjFb%2BKheABTyLMicdGXku2t1NJZZdblvYfIZ8fJMDDIYjHrji0bVjrg75S8VLxO6oMqxOlQEo6P02%2BWLK81T%2F8qfwHkfxrj96wOI59eP5bY0WxZwUSTdFKbxOoG5tcslcHcXGwdIrW9LrGkL1F%2BY1JnWlIfdpDnvXeGaMoG1BoBHThQAOUOBmXeszzLd9d1xzhxsdkZY2rFhrwcLLkuJl0DBFqwg2Vr%2FUA9tzrpjIbR%2FO0mOuFU64rsABqZDUm8g%2FWoTOCxwQrd%2BHOU6gIQ8lvLYk4W2Q%3D%3D - License: https://creativecommons.org/licenses/by/4.0/ - Role: MCU - Compliance: RoHS,REACH,Conflict Minerals - Package or Case Code: QFN50P1200X1200X80-81WN - Part Type: Microcontroller - Manufacturer Part Number: RP2350B **Pins:** - ADC_AVDD [pin 59] - DVDD [pin 51] - DVDD [pin 10] - DVDD [pin 32] - GND [pin 81] - GPIO0 [pin 77] - GPIO1 [pin 78] - GPIO10 [pin 8] - GPIO11 [pin 9] - GPIO12 [pin 11] - GPIO13 [pin 12] - GPIO14 [pin 13] - GPIO15 [pin 14] - GPIO16 [pin 16] - GPIO17 [pin 17] - GPIO18 [pin 18] - GPIO19 [pin 19] - GPIO2 [pin 79] - GPIO20 [pin 20] - GPIO21 [pin 21] - GPIO22 [pin 22] - GPIO23 [pin 23] - GPIO24 [pin 25] - GPIO25 [pin 26] - GPIO26 [pin 27] - GPIO27 [pin 28] - GPIO28 [pin 36] - GPIO29 [pin 37] - GPIO3 [pin 80] - GPIO30 [pin 38] - GPIO31 [pin 39] - GPIO32 [pin 40] - GPIO33 [pin 42] - GPIO34 [pin 43] - GPIO35 [pin 44] - GPIO36 [pin 45] - GPIO37 [pin 46] - GPIO38 [pin 47] - GPIO39 [pin 48] - GPIO4 [pin 1] - GPIO40_ADC0 [pin 49] - GPIO41_ADC1 [pin 52] - GPIO42_ADC2 [pin 53] - GPIO43_ADC3 [pin 54] - GPIO44_ADC4 [pin 55] - GPIO45_ADC5 [pin 56] - GPIO46_ADC6 [pin 57] - GPIO47_ADC7 [pin 58] - GPIO5 [pin 2] - GPIO6 [pin 3] - GPIO7 [pin 4] - GPIO8 [pin 6] - GPIO9 [pin 7] - IOVDD [pin 76] - IOVDD [pin 60] - IOVDD [pin 5] - IOVDD [pin 41] - IOVDD [pin 29] - IOVDD [pin 50] - IOVDD [pin 15] - IOVDD [pin 24] - QSPI_IOVDD [pin 69] - QSPI_SCLK [pin 71] - QSPI_SD0 [pin 72] - QSPI_SD1 [pin 74] - QSPI_SD2 [pin 73] - QSPI_SD3 [pin 70] - QSPI_SS [pin 75] - RUN [pin 35] - SWCLK [pin 33] - SWDIO [pin 34] - USB_DM [pin 66] - USB_DP [pin 67] - USB_OTP_VDD [pin 68] - VREG_AVDD [pin 61] - VREG_FB [pin 65] - VREG_LX [pin 63] - VREG_PGND [pin 62] - VREG_VIN [pin 64] - XIN [pin 30] - XOUT [pin 31] ### U10 — [EL817(S)(A)(TA)](https://www.flux.ai/lcsc/el817sata~l75.md) - Role Details: EL817 optocoupler channel for industrial isolated I/O - Role: Isolation - Package or Case Code: SMD-4_L6.5-W4.6-P2.54-LS10.3-TL - LCSC Part Number: C21461209 - Manufacturer Part Number: EL817(S)(A)(TA) - Manufacturer Name: EVERLIGHT(亿光) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U11 — [EL817(S)(A)(TA)](https://www.flux.ai/lcsc/el817sata~l75.md) - Role: Isolation - Role Details: EL817 optocoupler channel for industrial isolated I/O - Manufacturer Name: EVERLIGHT(亿光) - LCSC Part Number: C21461209 - Manufacturer Part Number: EL817(S)(A)(TA) - Package or Case Code: SMD-4_L6.5-W4.6-P2.54-LS10.3-TL **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U12 — [EL817(S)(A)(TA)](https://www.flux.ai/lcsc/el817sata~l75.md) - LCSC Part Number: C21461209 - Manufacturer Part Number: EL817(S)(A)(TA) - Manufacturer Name: EVERLIGHT(亿光) - Role Details: EL817 optocoupler channel for industrial isolated I/O - Role: Isolation - Package or Case Code: SMD-4_L6.5-W4.6-P2.54-LS10.3-TL **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U13 — [EL817(S)(A)(TA)](https://www.flux.ai/lcsc/el817sata~l75.md) - Manufacturer Name: EVERLIGHT(亿光) - Manufacturer Part Number: EL817(S)(A)(TA) - Role: Isolation - Role Details: EL817 optocoupler channel for industrial isolated I/O - LCSC Part Number: C21461209 - Package or Case Code: SMD-4_L6.5-W4.6-P2.54-LS10.3-TL **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U14 — [W25Q128JVSIQ](https://www.flux.ai/lcsc/w25q128jvsiq~l1kt.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Winbond-Elec-W25Q128JVSIQ_C113767.pdf - Manufacturer Part Number: W25Q128JVSIQ - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-8_L5.3-W5.3-P1.27-LS8.0-BL - LCSC Part Number: C113767 - Role Details: 128Mbit 3.3V QSPI NOR flash for RP2350B boot/storage - Product Info Url: https://lcsc.com/product-detail/FLASH_Winbond-Elec-W25Q128JVSIQ_C113767.html - Role: Memory - Manufacturer Name: WINBOND(华邦) - Part Type: NOR FLASH **Pins:** - ~{CS} [pin 1] - CLK [pin 6] - DI(IO0) [pin 5] - DO(IO1) [pin 2] - GND [pin 4] - HOLD#orRESET#(IO3) [pin 7] - VCC [pin 8] - WP#(IO2) [pin 3] ### U15 — [MAX6370](https://www.flux.ai/kicad-part-library/max6370~0tn.md) - Manufacturer Part Number: MAX6370 - Package or Case Code: SOT-23-8 - Role Details: External watchdog timer; LCSC exact not found, functionally suitable watchdog selected - Manufacturer Name: Maxim Integrated Products, Inc. - Datasheet URL: https://datasheets.maximintegrated.com/en/ds/MAX6369-MAX6374.pdf - Role: Timing **Pins:** - ~{WDO} [pin 7] - GND [pin 2] - NC [pin 3] - SET0 [pin 4] - SET1 [pin 5] - SET2 [pin 6] - VCC [pin 8] - WDI [pin 1] ### U16 — [24AA025E48T-I/SN](https://www.flux.ai/adrian95/24aa025e48t-isn~z6w.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Operating Temperature: -40°C to +85°C - Package or Case Code: SOIC127P600X175-8N - Role: Hardware Identity EEPROM - Role Details: Industrial MAC identity device on I2C bus; provides unique EUI-48 for W5500 network configuration - Manufacturer Name: Microchip - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/24AA02E48-24AA025E48-24AA02E64-24AA025E64-Data-Sheet-20002124H.pdf - Manufacturer Part Number: 24AA025E48T-I/SN **Pins:** - A0 [pin 1] - A1 [pin 2] - A2 [pin 3] - NC [pin 7] - SCL [pin 6] - SDA [pin 5] - VCC [pin 8] - VSS [pin 4] ### U17 — [DS3231SN#](https://www.flux.ai/jecstronic/ds3231sn~qc3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: I2C RTC with coin-cell backup for exact time-stamping; verify industrial grade sourcing before release - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/DS3231.pdf - Manufacturer Name: Analog Devices Inc./Maxim Integrated - Operating Temperature: -40°C to +85°C target - Manufacturer Part Number: DS3231SN# - Role: Real Time Clock - Part Type: Integrated Circuit **Pins:** - ~INT~/SQW [pin 3] - ~RST [pin 4] - 32KHZ [pin 1] - GND [pin 13] - N.C._1 [pin 5] - N.C._2 [pin 6] - N.C._3 [pin 7] - N.C._4 [pin 8] - N.C._5 [pin 9] - N.C._6 [pin 10] - N.C._7 [pin 11] - N.C._8 [pin 12] - SCL [pin 16] - SDA [pin 15] - VBAT [pin 14] - VCC [pin 2] ### U18 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Role Details: M3 mechanical mounting at board corners; keep clear of high-voltage and isolated barrier routing - Role: Mounting Hole - 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 ### U19 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Role: Mounting Hole - Role Details: M3 mechanical mounting at board corners; keep clear of high-voltage and isolated barrier routing - 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 ### U2 — [W5500](https://www.flux.ai/vasy_skral/w5500~9ux.md) - Part Type: Integrated Circuit - Role Details: SPI Ethernet controller; 3.3V, LCSC available - Symbol Style: parametric-v1 - Manufacturer Part Number: W5500 - Manufacturer Name: WIZnet - Datasheet URL: https://docs.wiznet.io/img/products/w5500/w5500_ds_v109e.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Ethernet Controller **Pins:** - ~INT [pin 36] - ~RST [pin 37] - ~SCS [pin 32] - 1V2O [pin 22] - ACTLED [pin 27] - AGND [pin 3] - AGND [pin 16] - AGND [pin 14] - AGND [pin 48] - AGND [pin 9] - AGND [pin 19] - AVDD [pin 21] - AVDD [pin 15] - AVDD [pin 8] - AVDD [pin 11] - AVDD [pin 4] - AVDD [pin 17] - DNC [pin 7] - DUPLED [pin 26] - EXRES1 [pin 10] - GND [pin 29] - LINKLED [pin 25] - MISO [pin 34] - MOSI [pin 35] - NC [pin 46] - NC [pin 12] - NC [pin 47] - NC [pin 13] - PMODE0 [pin 45] - PMODE1 [pin 44] - PMODE2 [pin 43] - RSVD [pin 23] - RSVD [pin 42] - RSVD [pin 38] - RSVD [pin 39] - RSVD [pin 40] - RSVD [pin 41] - RXN [pin 5] - RXP [pin 6] - SCLK [pin 33] - SPDLED [pin 24] - TOCAP [pin 20] - TXN [pin 1] - TXP [pin 2] - VBG [pin 18] - VDD [pin 28] - XI/CLKIN [pin 30] - XO [pin 31] ### U20 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Role Details: M3 mechanical mounting at board corners; keep clear of high-voltage and isolated barrier routing - Role: Mounting Hole - 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 ### U3 — [LM2596S-5.0/NOPB](https://www.flux.ai/adrian95/lm2596s-5p0nopb~ji8.md) - Manufacturer Part Number: LM2596S-5.0/NOPB - Part Type: Integrated Circuit - Role Details: Primary 24V-to-5V buck regulator. LM2596S-5.0 supports 4.5–40V operation and 3A output; ON/OFF is tied low for always-on. For 24V industrial input with surge margin, TI table points toward 47–68µH class inductor/output-cap verification rather than blindly using 33µH. - License: https://creativecommons.org/licenses/by/4.0/ - Role: Primary Buck Regulator - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm2596.pdf - Max Current: 3A - Manufacturer Name: Texas Instruments - Operating Temperature: -40°C to +125°C capable orderable variant required **Pins:** - ~ON~/OFF [pin 5] - FEEDBACK [pin 4] - GND_TAB [pin 6] - GROUND [pin 3] - OUTPUT [pin 2] - VIN [pin 1] ### U4 — [TLV1117LV33DCYR](https://www.flux.ai/thea-flux-parts/tlv1117lv33dcyr~7t.md) - Role: Secondary LDO - Part Type: LDO - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv1117lv.pdf - Operating Temperature: -40°C to +125°C - License: https://www.kicad.org/libraries/license/ - Manufacturer Name: Texas Instruments - Role Details: Secondary 5V-to-3.3V clean LDO for MCU/W5500 rail. TLV1117LV33 requires 1µF ceramic output and 0.1–1µF input close to pins; thermal dissipation is (5-3.3)*Iout, so practical continuous load must be limited or copper/heatsinking added. - Max Current: 1A - Manufacturer Part Number: TLV1117LV33DCYR **Pins:** - GND [pin 1] - VIN [pin 3] - VOUT [pin 2] - VOUT [pin 4] ### U5 — [XR33038ID-F](https://www.flux.ai/mvniekerk/xr33038id-f~v5.md) - Role: RS485 Transceiver - Manufacturer Name: MaxLinear - Role Details: 3.3V/5V, +/-18V fault tolerant bus pins, internal failsafe, -40C to +85C - Datasheet URL: https://www.mouser.co.za/datasheet/2/146/xr33032-35-38_v100_022814-1816307.pdf - Manufacturer Part Number: XR33038ID-F **Pins:** - ~RE [pin 2] - A/Y [pin 6] - B/Z [pin 7] - DE [pin 3] - DI [pin 4] - GND [pin 5] - RO [pin 1] - VCC [pin 8] ### U6 — [USB2512B-I/M2](https://www.flux.ai/adrian95/usb2512b-im2~tw7.md) - Package or Case Code: QFN50P600X600X100-37N-D - Role: USB Hub Controller - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: USB2512B-I/M2 - Manufacturer Name: Microchip - Role Details: Industrial -I USB 2.0 2-port hub, 3.3V supply - Datasheet URL: https://www.digikey.com/product-detail/en/microchip-technology/USB2512B-I-M2/USB2512B-I-M2-ND/5639464 **Pins:** - CRFILT [pin 14] - HS_IND/CFG_SEL1 [pin 25] - NC_1 [pin 6] - NC_2 [pin 7] - NC_3 [pin 8] - NC_4 [pin 9] - NC_5 [pin 18] - NC_6 [pin 19] - NC_7 [pin 20] - NC_8 [pin 21] - OCS_N1 [pin 13] - OCS_N2 [pin 17] - PLLFILT [pin 34] - PRTPWR1/BC_EN1 [pin 12] - PRTPWR2/BC_EN2 [pin 16] - RBIAS [pin 35] - RESET_N [pin 26] - SCL/SMBCLK/CFG_SEL0 [pin 24] - SDA/SMBDATA/NON_REM1 [pin 22] - SUSP_IND/LOCAL_PWR/NON_REM0 [pin 28] - TEST [pin 11] - USBDM_DN1/PRT_DIS_M1 [pin 1] - USBDM_DN2/PRT_DIS_M2 [pin 3] - USBDM_UP [pin 30] - USBDP_DN1/PRT_DIS_P1 [pin 2] - USBDP_DN2/PRT_DIS_P2 [pin 4] - USBDP_UP [pin 31] - VBUS_DET [pin 27] - VDD33_1 [pin 15] - VDD33_2 [pin 23] - VDDA33_1 [pin 5] - VDDA33_2 [pin 10] - VDDA33_3 [pin 29] - VDDA33_4 [pin 36] - VSS [pin 37] - XTALIN/CLKIN [pin 33] - XTALOUT [pin 32] ### U7 — [EL817(S)(A)(TA)](https://www.flux.ai/lcsc/el817sata~l75.md) - Manufacturer Name: EVERLIGHT(亿光) - Manufacturer Part Number: EL817(S)(A)(TA) - LCSC Part Number: C21461209 - Package or Case Code: SMD-4_L6.5-W4.6-P2.54-LS10.3-TL - Role Details: EL817 optocoupler channel for industrial isolated I/O - Role: Isolation **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U8 — [EL817(S)(A)(TA)](https://www.flux.ai/lcsc/el817sata~l75.md) - Role: Isolation - Role Details: EL817 optocoupler channel for industrial isolated I/O - Package or Case Code: SMD-4_L6.5-W4.6-P2.54-LS10.3-TL - LCSC Part Number: C21461209 - Manufacturer Part Number: EL817(S)(A)(TA) - Manufacturer Name: EVERLIGHT(亿光) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U9 — [EL817(S)(A)(TA)](https://www.flux.ai/lcsc/el817sata~l75.md) - Role: Isolation - Role Details: EL817 optocoupler channel for industrial isolated I/O - Package or Case Code: SMD-4_L6.5-W4.6-P2.54-LS10.3-TL - Manufacturer Name: EVERLIGHT(亿光) - Manufacturer Part Number: EL817(S)(A)(TA) - LCSC Part Number: C21461209 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### USB1 — [USB Type A](https://www.flux.ai/baronunread/usb-type-a~7g.md) - LCSC Part Number: C6386909 - Role: Protection - Role Details: USB 2.0 downstream port from hub - Manufacturer Part Number: 10.0 4C6.3 ZB - Package or Case Code: USB-TH_10.0-4C6.3-ZB - Part Type: easyeda2kicad **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - SHIELD [pin 6] - SHIELD [pin 5] - SHIELD [pin 7] - SHIELD [pin 8] - VCC [pin 1] ### Y1 — [12M 20PF 15PPM](https://www.flux.ai/lcsc/12m-20pf-15ppm~5ug.md) - Manufacturer Part Number: 12M 20PF 15PPM - Role Details: 12MHz crystal for RP2350B XIN/XOUT; 20pF CL selected from LCSC availability - LCSC Part Number: C2983432 - Role: Signal Generation - JLCPCB Part Class: Extended Part - Part Type: Crystals - Package or Case Code: CRYSTAL-SMD_L7.0-W4.0-LS7.8 - Manufacturer Name: SST(索斯特) **Pins:** - OSC1 [pin 1] - OSC2 [pin 2] ### Y2 — [ECS-250-18-33-JGN-TR](https://www.flux.ai/adrian95/ecs-250-18-33-jgn-tr~gu8.md) - Package or Case Code: ECS2501833JGNTR - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: ECS - Role: Signal Generation - Part Type: Oscillator - Manufacturer Part Number: ECS-250-18-33-JGN-TR - Datasheet URL: https://componentsearchengine.com/Datasheets/1/ECS-250-18-33-JGN-TR.pdf - Role Details: 25MHz 18pF crystal per W5500 datasheet **Pins:** - GND_1 [pin 2] - GND_2 [pin 4] - IN/OUT [pin 1] - OUT/IN [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/enjoychul/rp2350b-industrial-ethernet-controller~h4](https://www.flux.ai/enjoychul/rp2350b-industrial-ethernet-controller~h4).* --- *Generated from [https://www.flux.ai/enjoychul/rp2350b-industrial-ethernet-controller~h4](https://www.flux.ai/enjoychul/rp2350b-industrial-ethernet-controller~h4)*