CA-IF1033S

{
  "schema_version": 1,
  "type": "component",
  "slug": "ca-if1033s",
  "title": "CA-IF1033S",
  "brief": "Chipanalog CAN Transceivers, SOIC-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",
    "ca-if1033s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CA-IF1033S",
    "manufacturer": "Chipanalog",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604450695706275840",
    "parts": {
      "symbol": "ca-if1033s.kicad_sym",
      "footprint": "ca-if1033s.kicad_mod",
      "model_3d": "ca-if1033s-hero.glb",
      "model_3d_plain": "ca-if1033s-etched.glb",
      "model_3d_step": "ca-if1033s-etched.step",
      "model_3d_step_plain": "ca-if1033s.step",
      "lbr": "ca-if1033s.lbr"
    },
    "distributor_links": {
      "lcsc": "C42370659"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:52:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input: driving TXD high makes the bus recessive and driving it low makes the bus dominant, with an internal pull-up to VCC."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for the device."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input (recommended 3 V to 3.6 V, absolute maximum 7 V); place a 0.1 µF capacitor between VCC and GND as close to the device as possible."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receiver output: high when CANH and CANL are recessive and low when they are dominant, with recommended output current limited to ±2 mA and absolute maximum 8 mA."
      },
      {
        "number": "5",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input: low enables the driver and receiver, high shuts the device down, and the pin has an internal pull-down to GND."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus line; bus pins withstand ±18 V and bus-pin ESD protection exceeds ±25 kV HBM."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus line; bus pins withstand ±18 V and bus-pin ESD protection exceeds ±25 kV HBM."
      },
      {
        "number": "8",
        "name": "STB",
        "type": "input",
        "description": "Mode select input: high selects low-power standby mode with remote wake-up, low selects normal mode, and the pin has an internal pull-down to GND."
      }
    ],
    "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: For CA-IF1033S the pin 5 function is SHDN and pin 8 is STB, per the ordering guide (page 2) and pin ; The datasheet is in Chinese; pin descriptions are translated into English. The CA-IF1033S pinout is "
        ],
        "pages_sent": 24,
        "cost_usd": 0.0853,
        "at": "2026-10-18T06:50:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604450695706275840",
        "pages": 24,
        "sha256": "cf1740e1bc106780",
        "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"
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    "models_3d": [
      {
        "file": "ca-if1033s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-if1033s-etched.step",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Chipanalog",
      "Package": "SOIC-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cf1740e1bc10678072ce160d7922403db8f7cca748d9a065f475d9609a12b439",
      "rows": [
        {
          "name": "VCC bus supply voltage (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CAN bus IO voltage (CANH, CANL)",
          "symbol": "V(BUS)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum differential voltage CANH to CANL",
          "symbol": "V(DIFF)",
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          "unit": "V",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Logic-side input voltage (TXD, S, STB, EN, SHDN)",
          "symbol": "V(Logic_Input)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Logic-side output voltage (RXD)",
          "symbol": "V(Logic_Output)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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        },
        {
          "name": "Logic-side output current (RXD)",
          "symbol": "IO(Logic_Output)",
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          "unit": "mA",
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        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "CAN bus supply voltage (recommended)",
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          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
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        },
        {
          "name": "RXD pin high-level output current",
          "symbol": "IOH(RXD)",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "RXD pin low-level output current",
          "symbol": "IOL(RXD)",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current, normal mode, typical bus load",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": null,
          "max": 55,
          "conditions": "TXD=0V, RL=60 Ohm, CL=open, RCM=open, S/STB/SHDN=0V, EN=VCC, typical bus load",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current, normal mode, high bus load",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "mA",
          "min": 44,
          "typ": null,
          "max": 60,
          "conditions": "TXD=0V, RL=50 Ohm, CL=open, RCM=open, S/STB/SHDN=0V, EN=VCC, high bus load",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current, dominant with CANH at -12V",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "mA",
          "min": 110,
          "typ": null,
          "max": 180,
          "conditions": "TXD=0V, S/STB/SHDN=0V, CANH=-12V, RL=open, CL=open, RCM=open, EN=VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current, recessive (TXD high)",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.9,
          "typ": null,
          "max": 2,
          "conditions": "TXD=VCC, RL=50 Ohm, RCM=open, CL=open, S/STB/SHDN=0V, EN=VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current, standby mode (CA-IF1033S)",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "μA",
          "min": 9,
          "typ": null,
          "max": 15,
          "conditions": "TXD=VCC, RL=50 Ohm, RCM=open, CL=open, STB=VCC, SHDN=0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current, shutdown mode (CA-IF1033S)",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "TXD=VCC, RL=50 Ohm, RCM=open, CL=open, SHDN=VCC / EN=0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VCC UVLO rising threshold",
          "symbol": "UVVCC+",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 2.6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VCC UVLO falling threshold",
          "symbol": "UVVCC-",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": 2,
          "max": 2.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage (S, STB, SHDN, EN)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage (S, STB, SHDN, EN)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level input leakage current (S, STB, SHDN, EN)",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "μA",
          "min": -3,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level input leakage current (S, STB, SHDN, EN)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "μA",
          "min": -4,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Unpowered leakage current (S, STB, SHDN, EN)",
          "symbol": "Ilek(off)",
          "kind": "electrical",
          "unit": "μA",
          "min": -3,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage (TXD)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage (TXD)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level input leakage current (TXD)",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "μA",
          "min": -2.5,
          "typ": 0,
          "max": 3,
          "conditions": "TXD=VCC=3.6V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level input leakage current (TXD)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "μA",
          "min": -4,
          "typ": null,
          "max": 0,
          "conditions": "TXD=0V, VCC=3.6V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Unpowered leakage current (TXD)",
          "symbol": "Ilek(off)",
          "kind": "electrical",
          "unit": "μA",
          "min": -2,
          "typ": 0,
          "max": 2.5,
          "conditions": "TXD=3.6V, VCC=0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage (RXD)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "Io=2mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Unpowered leakage current (RXD)",
          "symbol": "Ilek(off)",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "RXD=3.6V, VCC=0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Single-ended dominant output voltage, CANH",
          "symbol": "VO(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.45,
          "typ": null,
          "max": null,
          "conditions": "Normal mode, TXD=0V, RL=60 Ohm, CL=open, RCM=open, CANH pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Single-ended dominant output voltage, CANL",
          "symbol": "VO(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": 1.25,
          "conditions": "Normal mode, TXD=0V, RL=50-65 Ohm, CL=open, RCM=open, CANL pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Standby bus voltage, CANH",
          "symbol": "VO(STB)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "Standby mode 3, RL open, RCM open, CANH",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby bus voltage, CANL",
          "symbol": "VO(STB)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "Standby mode 3, RL open, RCM open, CANL",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby differential bus voltage, CANH-CANL",
          "symbol": "VO(STB)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "Standby mode 3, RL open, RCM open, CANH-CANL",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage, dominant (RL 45-50 Ohm)",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 2,
          "max": 3,
          "conditions": "Normal mode, TXD=0V, RL=45-50 Ohm, RCM open, CANH-CANL",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage, dominant (RL 50-65 Ohm)",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": 3,
          "conditions": "Normal mode, TXD=0V, RL=50-65 Ohm, RCM open, CANH-CANL",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage, recessive (RL 60 Ohm)",
          "symbol": "VOD(REC)",
          "kind": "electrical",
          "unit": "mV",
          "min": -120,
          "typ": null,
          "max": 12,
          "conditions": "Normal mode, TXD=VCC, RL=60 Ohm, CL=open, RCM=open, CANH-CANL",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage, recessive (RL open)",
          "symbol": "VOD(REC)",
          "kind": "electrical",
          "unit": "mV",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "Normal mode, TXD=VCC, RL=open, CL=open, RCM=open, CANH-CANL",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "DC symmetry (dominant and recessive)",
          "symbol": "Vsym_DC",
          "kind": "electrical",
          "unit": "V",
          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "Normal mode, RL=60 Ohm, RCM open",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit current, dominant (CANH at -12V)",
          "symbol": "IOS(SS_DOM)",
          "kind": "electrical",
          "unit": "mA",
          "min": -200,
          "typ": null,
          "max": null,
          "conditions": "Normal mode, TXD=0V, CANL open, CANH=-12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit current, dominant (CANL at 12V)",
          "symbol": "IOS(SS_DOM)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Normal mode, TXD=0V, CANH open, CANL=12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit current, recessive",
          "symbol": "IOS(SS_rec)",
          "kind": "electrical",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Normal mode, TXD=VCC, VBUS=CANH=CANL from -12V to 12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Common-mode input voltage range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "Normal mode, listen mode and standby mode, RXD output valid",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Normal/listen mode input threshold voltage",
          "symbol": "VIT",
          "kind": "electrical",
          "unit": "mV",
          "min": 500,
          "typ": null,
          "max": 900,
          "conditions": "Normal and listen mode, Vcm from -12V to 12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby mode input threshold voltage",
          "symbol": "VIT(STB)",
          "kind": "electrical",
          "unit": "mV",
          "min": 400,
          "typ": null,
          "max": 1150,
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