main
Ray Set visibility: public abe5cd3 8h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "bd4269efj-ce2",
  "title": "BD4269EFJ-CE2",
  "brief": "ROHM Semicon Linear Voltage Regulators (LDO), ESOP-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": [
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    "power management ics",
    "bd4269efj-ce2",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "BD4269EFJ-CE2",
    "manufacturer": "ROHM Semicon",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/87c80302c54c1361d8e813253f7accfb.pdf",
    "parts": {
      "symbol": "bd4269efj-ce2.kicad_sym",
      "footprint": "bd4269efj-ce2.kicad_mod",
      "model_3d": "bd4269efj-ce2-hero.glb",
      "model_3d_plain": "bd4269efj-ce2-etched.glb",
      "model_3d_step": "bd4269efj-ce2-etched.step",
      "model_3d_step_plain": "bd4269efj-ce2.step",
      "lbr": "bd4269efj-ce2.lbr"
    },
    "distributor_links": {
      "lcsc": "C509751",
      "digikey": "BD4269EFJ-CE2TR-ND",
      "mouser": "755-BD4269EFJ-CE2"
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    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
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        "status": "found"
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      "mouser": {
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        "status": "found"
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    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input for the regulator."
      },
      {
        "number": "2",
        "name": "SI",
        "type": "input",
        "description": "Sense input for the input voltage reset; if not needed, connect to VO."
      },
      {
        "number": "3",
        "name": "RADJ",
        "type": "input",
        "description": "Threshold adjust for the power on and under-voltage reset; if not needed, connect to GND."
      },
      {
        "number": "4",
        "name": "CT",
        "type": "passive",
        "description": "Delay pin for the power on and under-voltage reset; connect a capacitor to GND to set the delay time."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "RO",
        "type": "output",
        "description": "Power on and under-voltage reset output; open-collector, internally pulled up to VO via a 24 kΩ resistor, keep open if not needed."
      },
      {
        "number": "7",
        "name": "SO",
        "type": "output",
        "description": "Input voltage reset output; open-collector, internally pulled up to VO via a 24 kΩ resistor, keep open if not needed."
      },
      {
        "number": "8",
        "name": "VO",
        "type": "power_out",
        "description": "5 V regulated output."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 hint ESOP-8 does not match the datasheet. BD4269EFJ-CE2 is the EFJ variant, which the datasheet "
        ],
        "pages_sent": 9,
        "cost_usd": 0.0135,
        "at": "2026-10-27T01:10:00"
      },
      "datasheet": {
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        "pages": 28,
        "sha256": "e4bcad7348fc463d",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "c4f51818a84b84f607a2b0d64e7b6a0a5ab8fb5b00f64a9da798e3195a513db4",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "ESOP-8",
      "Category": "Power Management ICs",
      "Pins": "9"
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    "characteristics": {
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      "source": "datasheet",
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      "rows": [
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          "max": 150,
          "conditions": "IO = 0 mA to 200 mA",
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          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "1 mA ≤ IO ≤ 100 mA; 6 V ≤ VCC ≤ 16 V",
          "source_page": 6,
          "source": "datasheet"
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          "conditions": "VCC = 4.75 V, IO = 100 mA",
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          "conditions": "IO = 10 mA to 100 mA",
          "source_page": 6,
          "source": "datasheet"
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          "name": "Line regulation",
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          "conditions": "VCC = 8 V to 16 V, IO = 1 mA",
          "source_page": 6,
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          "name": "Power on and under-voltage reset switching hysteresis",
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          "conditions": "3.5 V ≤ Vo ≤ 4.5 V",
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        {
          "name": "RADJ input current",
          "symbol": "IRADJ",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "VRADJ = 2 V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "RO pull-up resistance",
          "symbol": "RRO",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 10,
          "typ": 24,
          "max": 40,
          "conditions": "",
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        {
          "name": "CT threshold high",
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          "min": null,
          "typ": 1.2,
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        {
          "name": "CT threshold low",
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          "kind": "electrical",
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          "min": null,
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        {
          "name": "CT charge current",
          "symbol": "ICT",
          "kind": "electrical",
          "unit": "μA",
          "min": 5,
          "typ": 12,
          "max": 20,
          "conditions": "VCT = 0.5 V",
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          "source": "datasheet"
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        {
          "name": "Delay time L to H (Power On Reset Time)",
          "symbol": "TDLH",
          "kind": "timing",
          "unit": "ms",
          "min": 17,
          "typ": 22,
          "max": 28,
          "conditions": "CCT = 0.22 μF (Note 1)",
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        {
          "name": "SI threshold high",
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          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": 0.87,
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        {
          "name": "SI threshold low",
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          "unit": "V",
          "min": 0.75,
          "typ": 0.8,
          "max": 0.85,
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        {
          "name": "SO pull-up resistance",
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        {
          "name": "SI input current",
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          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "VCC input voltage (absolute maximum)",
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          "min": -0.3,
          "typ": null,
          "max": 45,
          "conditions": "Not to exceed Pd",
          "source_page": 4,
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        {
          "name": "RADJ input voltage (absolute maximum)",
          "symbol": "VRADJ",
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          "conditions": "≤ VO +0.3",
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        {
          "name": "RO input voltage (absolute maximum)",
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        {
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          "typ": null,
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        {
          "name": "SI input voltage (absolute maximum)",
          "symbol": "VSI",
          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
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          "conditions": "≤ VCC +0.3",
          "source_page": 4,
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        {
          "name": "Power dissipation (HTSOP-J8)",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.96,
          "conditions": "Note 3",
          "source_page": 4,
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        {
          "name": "Junction temperature range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
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        {
          "name": "Storage temperature range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
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        {
          "name": "Supply voltage (IO ≤ 100 mA)",
          "symbol": "VCC",
          "kind": "recommended_operating",
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          "conditions": "IO ≤ 100 mA (Note 1)",
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        {
          "name": "Supply voltage (IO ≤ 200 mA)",
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        {
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        {
          "name": "VO operating voltage for RO",
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        {
          "name": "VO operating voltage for SO",
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          "name": "Power on and under-voltage reset switching threshold adjustable range",
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        {
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          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "1s (Note 2)",
          "source_page": 5,
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          "name": "Junction to ambient (HTSOP-J8)",
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          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 34,
          "max": null,
          "conditions": "2s2p (Note 3)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction to top center of case (HTSOP-J8)",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "1s (Note 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction to top center of case (HTSOP-J8)",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "2s2p (Note 3)",
          "source_page": 5,
          "source": "datasheet"
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      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  "discovery_pitch": "BD4269EFJ-CE2 (ROHM Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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