main
Ray Set visibility: public e142aab 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "iw657p-18-70b",
  "title": "IW657P-18-70B",
  "brief": "Dialog Semiconductor Monitors & Reset Circuits, TDFN-14(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "IW657P-18-70B",
    "manufacturer": "Dialog Semiconductor",
    "package": "TDFN-14(3x4)",
    "pin_count": 15,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/02e41d91dfc935b77a9cfaefeb1bde5c.pdf",
    "parts": {
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      "model_3d_plain": "iw657p-18-70b-etched.glb",
      "model_3d_step": "iw657p-18-70b-etched.step",
      "model_3d_step_plain": "iw657p-18-70b.step",
      "lbr": "iw657p-18-70b.lbr"
    },
    "distributor_links": {
      "lcsc": "C425018",
      "mouser": "724-IW657P-18-70B"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:30:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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        "pn": "724-IW657P-18-70B",
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    "pins": [
      {
        "number": "1",
        "name": "DIS",
        "type": "output",
        "description": "Discharging circuit used for fast discharging of the output capacitor (absolute maximum -0.3 to 30 V, peak 600 mA at VDIS = 12 V)."
      },
      {
        "number": "2",
        "name": "DRV",
        "type": "output",
        "description": "External circuit drive that can drive an optocoupler LED with automatic current limiting for transmitting signals to the primary side (absolute maximum -0.3 to 30 V)."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "IC power supply (absolute maximum -0.3 to 30 V)."
      },
      {
        "number": "4",
        "name": "DET",
        "type": "input",
        "description": "AC unplug detect input (absolute maximum -0.7 to 30 V)."
      },
      {
        "number": "5",
        "name": "VBUS",
        "type": "power_in",
        "description": "Monitors the VBUS voltage after the N-FET switch (absolute maximum -0.7 to 30 V for IVBUS < 10 mA)."
      },
      {
        "number": "6",
        "name": "VBUS_G",
        "type": "bidirectional",
        "description": "Connects to the external N-FET gate pin for gate-source voltage control (absolute maximum -0.7 to 35 V)."
      },
      {
        "number": "7",
        "name": "CC2",
        "type": "bidirectional",
        "description": "Configuration Channel 2 (absolute maximum -0.3 to 30 V)."
      },
      {
        "number": "8",
        "name": "CC1",
        "type": "bidirectional",
        "description": "Configuration Channel 1 (absolute maximum -0.3 to 30 V)."
      },
      {
        "number": "9",
        "name": "IS-",
        "type": "input",
        "description": "Output current sensing terminal - for the current sensing resistor (absolute maximum -0.3 to 7 V)."
      },
      {
        "number": "10",
        "name": "IS+",
        "type": "input",
        "description": "Output current sensing terminal + for the current sensing resistor (absolute maximum -0.3 to 7 V)."
      },
      {
        "number": "11",
        "name": "SD",
        "type": "bidirectional",
        "description": "Connects to an external NTC resistor to measure the power adapter temperature (absolute maximum -0.3 to 7 V)."
      },
      {
        "number": "12",
        "name": "D-",
        "type": "bidirectional",
        "description": "USB D- signal (absolute maximum -0.3 to 7 V)."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "14",
        "name": "D+",
        "type": "bidirectional",
        "description": "USB D+ signal (absolute maximum -0.3 to 7 V)."
      },
      {
        "number": "15",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "primary_model": "claude-sonnet-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.059,
        "at": "2026-10-30T22:29:55"
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        "pages": 7,
        "sha256": "3b0480d938f869da",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 15,
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Dialog Semiconductor",
      "Package": "TDFN-14(3x4)",
      "Category": "Power Management ICs",
      "Pins": "15"
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          "unit": "V",
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          "source_page": 5,
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          "name": "VBUS_G voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.7,
          "typ": null,
          "max": 35,
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          "name": "DET voltage",
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          "min": -0.7,
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          "name": "Peak current at DIS pin",
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          "unit": "mA",
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          "conditions": "VDIS= 12V",
          "source_page": 5,
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          "name": "IS+ voltage",
          "symbol": "VIS+",
          "kind": "absolute_maximum",
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          "typ": null,
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          "min": -40,
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          "unit": "°C",
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        {
          "name": "ESD rating per JEDEC JESD22-A114 (D+, D-, CC1, CC2)",
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          "source_page": 5,
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        {
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          "symbol": "",
          "kind": "absolute_maximum",
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          "min": -2000,
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          "conditions": "all other pins",
          "source_page": 5,
          "source": "datasheet"
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  "discovery_pitch": "IW657P-18-70B (Dialog Semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
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