# Paradox Industrial ## Description PARADOX Industrial 5G Data Gateway (RS103-hardened, RS-485 MODBUS + MQTT, <1 ms target) ## Project Details - **Owner:** solutiongate - **Created:** 2/26/2026 - **Last Updated:** 2/27/2026 - **Visibility:** Public - **Operating Voltage:** 9-36V - **Software:** On-device AI interference analysis + bandwidth clearing; MQTT + MODBUS RTU - **Power Requirements:** VIN_9_36V to V5 plus isolated VISO_PWR for RS-485 - **Compliance:** MIL-STD-461G RS103 - **Connectivity:** 5G (Siemens private), RS-485 MODBUS, MQTT - **Target Network:** Siemens industrial private 5G; typical campus spectrum in DE is 3.7-3.8 GHz (n78/n77). Exact band/config TBD per deployment. - **Reliability Target (MTBF):** Industrial gateway, harsh EMI environment - **System Architecture:** ```mermaid flowchart TD VIN["VIN 9-36V input"] --> PROT["Protection and EMI input filter"] PROT --> BUCK["Buck regulator V5"] BUCK --> V5["V5 rail"] V5 --> SOC["Edge compute SoC + NPU"] SOC --> MODEM["5G modem module via M.2"] MODEM --> RF["RF front end and antennas"] SOC --> MQTT["MQTT stack"] V5 --> ISO_PWR["Isolated power VISO_PWR"] ISO_PWR --> RS485ISO["Isolated RS-485 transceiver"] RS485ISO --> MODBUS["MODBUS RTU"] SOC --> AI["Interference analysis AI"] AI --> PBC["Bandwidth clearing algorithm"] PBC --> MODEM SHIELD["Shielding, chassis bond, grounding"] --- PROT SHIELD --- SOC SHIELD --- MODEM SHIELD --- RS485ISO ``` - **Project Type:** Industrial 5G MODBUS/MQTT gateway ## Key Components ### D1 — [SM6T24A](https://www.flux.ai/jecstronic/sm6t24a.md) - Manufacturer Part Number: SM6T24A - Part Type: Diode - Manufacturer Name: STMicroelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: TVS diode on 9-36V input (24V-class) for surge/ESD - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/6f/2d/a6/9e/56/51/48/15/CD00000725.pdf/files/CD00000725.pdf/jcr:content/translations/en.CD00000725.pdf - Role: Surge Protection - Package: SMB (DO-214AA) **Pins:** - A1 [pin 1] - A2 [pin 2] ### D2 — [SMBJ5.0A](https://www.flux.ai/adrian95/smbj5p0a.md) - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smbj_datasheet.pdf.pdf - Role: Surge Protection - Package: DO-214AA (SMBJ) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SMBJ5.0A - Part Type: Diode - Role Details: TVS diode from +5V_EXT to GND at 5V input - Manufacturer Name: Littelfuse Inc. **Pins:** - A [pin 2] - K [pin 1] ### F1 — [1812L110/24DR](https://www.flux.ai/jecstronic/1812l11024dr.md) - Part Type: Fuse - License: https://creativecommons.org/licenses/by/4.0/ - Role: Overcurrent Protection - Manufacturer Part Number: 1812L110/24DR - Role Details: PPTC fuse in series with +5V_EXT input (1.1A hold) - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/resettable_ptcs/littelfuse_ptc_1812l_datasheet.pdf.pdf - Manufacturer Name: Littelfuse Inc. - Package: 1812 - Current Rating: 1.1A **Pins:** - P1 [pin 1] - P2 [pin 2] ### IC1 — [LMR33620ARNXT](https://www.flux.ai/adrian95/lmr33620arnxt.md) - Manufacturer Part Number: LMR33620ARNXT - Role: Regulator - Part Type: Integrated Circuit - Package: WSON/SON - Datasheet URL: http://www.ti.com/lit/gpn/lmr33620 - Package or Case Code: LMR33620ARNXT - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Role Details: 9-36V to 5V synchronous buck regulator (primary power stage) **Pins:** - AGND [pin 6] - BOOT [pin 4] - EN [pin 9] - FB [pin 7] - NC [pin 3] - PG [pin 8] - PGND_1 [pin 1] - PGND_2 [pin 11] - SW [pin 12] - VCC [pin 5] - VIN_1 [pin 2] - VIN_2 [pin 10] ### J1 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Manufacturer Part Number: WJ500V-5.08-2P - Role: Connector - Package: THT Terminal Block 5.08mm 2P - Manufacturer Name: Ningbo Kangnex - Part Type: Connector - Connector Type: Terminal Blocks - Role Details: Dedicated 5V stabilized DC input (+5V_EXT, GND) - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [M.2 Key B Connector](https://www.flux.ai/collinsemasi/mp2-key-b-connector.md) - Manufacturer Part Number: 2199230-3 - Package: M.2 Key B - Role: 5G Modem Interface - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7F1-1773702-1NGFFQRG-EN%7F0214%7Fpdf%7FEnglish%7FENG_DS_1-1773702-1NGFFQRG-EN_0214_1-1773702-1NGFF-QRG-EN-201402.pdf%7F2199230-3 - Application Specification URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F114-115006%7FC%7Fpdf%7FEnglish%7FENG_SS_114-115006_C.pdf%7F2199230-3 - Role Details: M.2 Key B socket for 5G modem (USB3/PCIe, SIM, power) - Manufacturer Name: TE Connectivity **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 25 [pin 25] - 26 [pin 26] - 27 [pin 27] - 28 [pin 28] - 29 [pin 29] - 3 [pin 3] - 30 [pin 30] - 31 [pin 31] - 32 [pin 32] - 33 [pin 33] - 34 [pin 34] - 35 [pin 35] - 36 [pin 36] - 37 [pin 37] - 38 [pin 38] - 39 [pin 39] - 4 [pin 4] - 40 [pin 40] - 41 [pin 41] - 42 [pin 42] - 43 [pin 43] - 44 [pin 44] - 45 [pin 45] - 46 [pin 46] - 47 [pin 47] - 48 [pin 48] - 49 [pin 49] - 5 [pin 5] - 50 [pin 50] - 51 [pin 51] - 52 [pin 52] - 53 [pin 53] - 54 [pin 54] - 55 [pin 55] - 56 [pin 56] - 57 [pin 57] - 58 [pin 58] - 59 [pin 59] - 6 [pin 6] - 60 [pin 60] - 61 [pin 61] - 62 [pin 62] - 63 [pin 63] - 64 [pin 64] - 65 [pin 65] - 66 [pin 66] - 67 [pin 67] - 68 [pin 68] - 69 [pin 69] - 7 [pin 7] - 70 [pin 70] - 71 [pin 71] - 72 [pin 72] - 73 [pin 73] - 74 [pin 74] - 75 [pin 75] - 8 [pin 8] - 9 [pin 9] - SHIELD [pin S1] - SHIELD__1 [pin S2] ### U2 — [LM5050-2](https://www.flux.ai/kicad-part-library/lm5050-2.md) - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: LM5050-2 - Package: TSOT-23-6 - Role: Protection - Datasheet URL: http://www.ti.com/lit/ds/symlink/lm5050-2.pdf - Package or Case Code: TSOT-23-6 - Role Details: Ideal-diode / reverse polarity protection controller for 9-36V input **Pins:** - ~{FGD} [pin 1] - GATE [pin 5] - GND [pin 2] - IN [pin 4] - OFF [pin 3] - OUT [pin 6] ### U3 — [ADM2682E](https://www.flux.ai/kicad-part-library/adm2682e.md) - Package or Case Code: SOIC-16W_7.5x12.8mm_P1.27mm - Package: SOIC-16W - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: ADM2682E - Role: Isolated Transceiver - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM2682E_2687E.pdf - Role Details: Isolated half-duplex RS-485 transceiver for MODBUS RTU; galvanic isolation barrier between logic and field bus **Pins:** - ~{RE} [pin 4] - A [pin 14] - B [pin 13] - DE [pin 5] - GND1 [pin 8] - GND1 [pin 1] - GND2 [pin 9] - GND2 [pin 16] - RXD [pin 3] - TXD [pin 6] - VCC [pin 7] - VCC [pin 2] - VISOIN [pin 15] - VISOOUT [pin 10] - Y [pin 11] - Z [pin 12] ### U4 — [LM5050-1](https://www.flux.ai/kicad-part-library/lm5050-1.md) - Package: TSOT-23-6 - Manufacturer Name: Texas Instruments Inc. - Role: Power OR-ing - Role Details: Ideal-diode controller on +5V_EXT path to V5 to prevent backfeed and allow dual-source operation - Datasheet URL: http://www.ti.com/lit/ds/symlink/lm5050-1-q1.pdf - Package or Case Code: TSOT-23-6 - Manufacturer Part Number: LM5050-1 **Pins:** - GATE [pin 5] - GND [pin 2] - IN [pin 4] - OFF [pin 3] - OUT [pin 6] - VS [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/solutiongate/paradox-industrial](https://www.flux.ai/solutiongate/paradox-industrial).* --- *Generated from [https://www.flux.ai/solutiongate/paradox-industrial](https://www.flux.ai/solutiongate/paradox-industrial)*