TPT1256-SO1R

{
  "schema_version": 1,
  "type": "component",
  "slug": "tpt1256-so1r",
  "title": "TPT1256-SO1R",
  "brief": "3PEAK CAN Transceivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "tpt1256-so1r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPT1256-SO1R",
    "manufacturer": "3PEAK",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589836927609438208",
    "parts": {
      "symbol": "tpt1256-so1r.kicad_sym",
      "footprint": "tpt1256-so1r.kicad_mod",
      "model_3d": "tpt1256-so1r-hero.glb",
      "model_3d_plain": "tpt1256-so1r-etched.glb",
      "model_3d_step": "tpt1256-so1r-etched.step",
      "model_3d_step_plain": "tpt1256-so1r.step",
      "lbr": "tpt1256-so1r.lbr"
    },
    "distributor_links": {
      "lcsc": "C5291486",
      "digikey": "5503-TPT1256-SO1RTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T11:03:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5503-TPT1256-SO1RTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "CAN transmit data input (LOW for dominant, HIGH for recessive bus states); on the TPT1256 its high/low thresholds are 0.7×VIO and 0.3×VIO, and a dominant state longer than tTXD_DTO (1.2 to 3.8 ms) disables the transmitter."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the transceiver."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Transceiver 5 V supply voltage, with a recommended operating range of 4.5 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "CAN receive data output (LOW for dominant, HIGH for recessive bus states) with VOH of 0.8×VIO at IO = −2 mA and VOL of 0.2×VIO at IO = +2 mA, and absolute output current limited to ±8 mA."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "I/O level-shifting supply that sets the TXD, RXD and S input/output thresholds, with a recommended operating range of 3.0 V to 5.5 V (absolute maximum 7 V)."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus input/output line with bus fault protection of −42 V to +42 V."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus input/output line with bus fault protection of −42 V to +42 V."
      },
      {
        "number": "8",
        "name": "S",
        "type": "input",
        "description": "Silent (listen-only) mode control, active high: a high level selects silent mode where the transmitter is disabled, and a low level selects normal mode."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOP8 pin diagram text in the extracted datasheet is scrambled and does not reliably show pin loc; VIO range conflicts within the datasheet: the Product Family Table lists VIO as 2.8 V to 5.5 V for T"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0629,
        "at": "2026-10-17T11:02:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589836927609438208",
        "pages": 20,
        "sha256": "febe9542a5a5db47",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tpt1256-so1r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpt1256-so1r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7c384ad2d5d7b6218ce91c0d9369c4717c102ffed5293663188dc6082d652003",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "3PEAK",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "febe9542a5a5db47dec46661d086bf517efe754ff56a0abf0a59bed97f9c4e4a",
      "rows": [
        {
          "name": "VCC 5-V Bus Supply Voltage Range",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIO I/O Level-Shifting Voltage Range",
          "symbol": "VIO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "CAN Bus I/O Voltage Range (CANH, CANL)",
          "symbol": "VBUS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -42,
          "typ": null,
          "max": 42,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Terminal Voltage Range (TXD, S)",
          "symbol": "V(Logic_Input)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Logic Output Terminal Voltage Range (RXD)",
          "symbol": "V(Logic_Output)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RXD (Receiver) Output Current",
          "symbol": "IO_RXD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIO Input/output voltage, TXD, RXD, S of TPT1256",
          "symbol": "VIO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VCC Power Supply",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "RXD Terminal High-Level Output Current",
          "symbol": "IOH(RXD)",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "RXD Terminal Low-Level Output Current",
          "symbol": "IOL(RXD)",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ICC Normal Mode (dominant), RL = 60 Ω",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 50,
          "max": 70,
          "conditions": "TXD = 0 V, RL = 60 Ω, CL = open, RCM = open, S = 0 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ICC Normal Mode (dominant), RL = 50 Ω",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 52,
          "max": 80,
          "conditions": "TXD = 0 V, RL = 50 Ω, CL = open, RCM = open, S = 0 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ICC Normal Mode (dominant – bus fault)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 73,
          "max": 150,
          "conditions": "TXD = 0 V, S = 0 V, CANH = CANL = -3 /+18V, RL = open, CL = open, RCM = open",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ICC Normal Mode (recessive)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.2,
          "max": 2.5,
          "conditions": "TXD = VIO, RL = 50 Ω, CL = open, RCM = open, S = 0 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ICC Silent Mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.2,
          "max": 2.5,
          "conditions": "TXD = VIO, RL = 50 Ω, CL = open, RCM = open, S = VCC",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "IIO Normal and Silent Modes",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 73,
          "max": 200,
          "conditions": "RXD Floating, TXD = S = 0 or VIO",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Rising Undervoltage Detection on VCC for Protected Mode",
          "symbol": "UVVCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 4.4,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Falling Undervoltage Detection on VCC for Protected Mode",
          "symbol": "UVVCC",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": 3.9,
          "max": 4.2,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Detection on VIO for Protected Mode",
          "symbol": "UVVIO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": 2.75,
          "conditions": "VIH and VIL",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Pin-S High-Level Input Leakage Current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "S = VCC or VIO = 5.5 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Pin-S Low-Level Input Leakage Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "S = 0 V, VCC = VIO = 5.5 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Pin-S Unpowered Leakage Current",
          "symbol": "Ilkg(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "S = 5.5 V, VCC = VIO = 0 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Pin-TXD High-Level Input Leakage Current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": -2.5,
          "typ": 0,
          "max": 1,
          "conditions": "S = VCC or VIO = 5.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Pin-TXD Low-Level Input Leakage Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -100,
          "typ": -63,
          "max": -7,
          "conditions": "S = 0 V, VCC = VIO = 5.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Pin-TXD Unpowered Leakage Current",
          "symbol": "Ilkg(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "TXD = 5.5 V, VCC = VIO = 0 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Pin-RXD Unpowered Leakage Current",
          "symbol": "Ilkg(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "RXD = 5.5 V, VCC = 0 V, VIO = 0 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Bus Output Voltage (dominant) CANH",
          "symbol": "VO(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.75,
          "typ": null,
          "max": 4.5,
          "conditions": "TXD = 0 V, S = 0 V, 45 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Bus Output Voltage (dominant) CANL",
          "symbol": "VO(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": 2.25,
          "conditions": "TXD = 0 V, S = 0 V, 45 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Bus Output Voltage (recessive)",
          "symbol": "VO(REC)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 3,
          "conditions": "TXD = VCC, VIO = VCC, S = VCC or 0 V(2), RL = open (no load), RCM = open",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Differential Output Voltage (dominant), 45 Ω ≤ RL < 50 Ω",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 3,
          "conditions": "TXD = 0 V, S = 0 V, 45 Ω ≤ RL < 50 Ω, CL = open, RCM = open",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Differential Output Voltage (dominant), 50 Ω ≤ RL ≤ 65 Ω",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 3,
          "conditions": "TXD = 0 V, S = 0 V, 50 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Differential Output Voltage (dominant), RL = 2240 Ω",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 5,
          "conditions": "TXD = 0 V, S = 0 V, RL = 2240 Ω, CL = open, RCM = open, VCC = 4.5 V~5.25 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Differential Output Voltage (recessive), RL = 60 Ω",
          "symbol": "VOD(REC)",
          "kind": "electrical",
          "unit": "mV",
          "min": -120,
          "typ": null,
          "max": 12,
          "conditions": "TXD = VCC, S = 0 V, RL = 60 Ω, CL = open, RCM = open",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Differential Output Voltage (recessive), RL = open (no load)",
          "symbol": "VOD(REC)",
          "kind": "electrical",
          "unit": "mV",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "TXD = VCC, S = 0 V, RL = open (no load), CL = open, RCM = open",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "DC Output Symmetry (dominant or recessive)",
          "symbol": "VSYM_DC",
          "kind": "electrical",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "S = 0 V, RL = 60 Ω, CL = open, RCM = open",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit Steady-State Output Current, dominant (CANH)",
          "symbol": "IOS(SS_DOM)",
          "kind": "electrical",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "S at 0 V, VCANH = -5 V to 40 V, CANL = open, TXD = 0 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit Steady-State Output Current, dominant (CANL)",
          "symbol": "IOS(SS_DOM)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "S at 0 V, VCANL = -5 V to 40 V, CANH = open, TXD = 0 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit Steady-State Output Current, recessive",
          "symbol": "IOS(SS_REC)",
          "kind": "electrical",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "-27 V ≤ VBUS ≤ 32 V, VBUS = CANH = CANL, TXD = VCC",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Common Mode Range, normal mode",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "S = 0 or VCC or VIO",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Positive-going Input Threshold Voltage, all modes (first set)",
          "symbol": "VIT+",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 900,
          "conditions": "S = 0 or VCC or VIO",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Negative-going Input Threshold Voltage, all modes (−20 V to +20 V)",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "mV",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "−20 V ≤ VCM ≤ +20 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Positive-going Input Threshold Voltage, all modes (second set)",
          "symbol": "VIT+",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "S = 0 or VCC or VIO",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Negative-going Input Threshold Voltage, all modes (−30 V to +30 V)",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "mV",
          "min": 400,
          "typ": null,
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