main
Ray lmr33630addar: specified limits as data (metadata.characteristics, 59 rows from the datasheet) b6739ad
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lmr33630addar",
  "title": "LMR33630ADDAR",
  "brief": "Texas Instruments DC-DC Converters, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "lmr33630addar"
  ],
  "component": {
    "mpn": "LMR33630ADDAR",
    "manufacturer": "Texas Instruments",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lmr33630addar.pdf",
    "parts": {
      "symbol": "lmr33630addar.kicad_sym",
      "footprint": "lmr33630addar.kicad_mod",
      "model_3d": "lmr33630addar-etched.glb",
      "model_3d_plain": "lmr33630addar.glb",
      "model_3d_step": "lmr33630addar-etched.step",
      "model_3d_step_plain": "lmr33630addar.step",
      "lbr": "lmr33630addar.lbr"
    },
    "distributor_links": {
      "digikey": "296-49763-2-ND",
      "lcsc": "C841384"
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground terminal. Connect to system ground and AGND. Connect to bypass capacitor with short, wide traces to minimize input-loop inductance."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply to the regulator, 3.8 V to 36 V (38 V abs max). Connect a high-quality bypass capacitor directly between this pin and PGND with short, wide traces."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input to the regulator. High = ON, low = OFF; precision-threshold input. Can be tied directly to VIN. Must not exceed VIN by more than 0.3 V. Do not float."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good flag output (22 V abs max, 18 V recommended). Connect to a suitable voltage supply through a current-limiting resistor. High = power OK, low = power bad. Flag pulls low when EN = low. May be left open when not used."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the regulator. Connect to the tap point of the external feedback voltage divider that sets VOUT (1 V to 24 V). Internal reference is approximately 1 V. Do not float, do not ground."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 5-V LDO output used as supply for internal control circuits. Do not connect to external loads. Can be used as logic supply for the power-good pull-up. Connect a high-quality 1-µF ceramic capacitor from this pin to GND."
      },
      {
        "number": "7",
        "name": "BOOT",
        "type": "power_in",
        "description": "Boot-strap supply voltage for the internal high-side gate driver. Connect a high-quality 100-nF ceramic capacitor between this pin and the SW pin (BOOT-to-SW abs max 5.5 V)."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switch node. Connect to the power inductor. Also returns the bootstrap capacitor current. High-dV/dt node - keep the trace short and away from sensitive nodes."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground / thermal pad on the bottom of the HSOIC package. Ground reference for internal references and logic; all electrical parameters are measured with respect to this pin. Serves as both AGND connection and the primary thermal path - must be soldered to a ground plane for proper electrical and thermal performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lmr33630addar.pdf",
        "pages": 53,
        "sha256": "63404cdc9372a289",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lmr33630addar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmr33630addar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8799a396969a7a37b597cabb1d2545dcfbcb738afb77511ccca68c6deb4c2677",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "63404cdc9372a289",
      "rows": [
        {
          "name": "VIN to PGND",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 38,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN to AGND",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB to AGND",
          "symbol": "FB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PG to AGND",
          "symbol": "PG",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 22,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "AGND to PGND",
          "symbol": "AGND-PGND",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SW to PGND",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SW to PGND transient",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3.5,
          "typ": null,
          "max": 38,
          "conditions": "less than 100-ns transients",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "BOOT to SW",
          "symbol": "BOOT-SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCC to AGND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage VIN to PGND",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN voltage",
          "symbol": "EN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PG voltage",
          "symbol": "PG",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Adjustable output voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Recommended operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Recommended operating temperature range (table header)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum operating input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Non-switching input current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 24,
          "max": 34,
          "conditions": "VFB = 1.2 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown quiescent current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "EN = 0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN input level to start switching (rising threshold)",
          "symbol": "VEN-H",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.231,
          "max": 1.26,
          "conditions": "Rising threshold",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN hysteresis below VEN-H",
          "symbol": "VEN-HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Hysteresis below VEN-H; falling",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN input level to turn on internal LDO (rising threshold)",
          "symbol": "VEN-VCC-H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Rising threshold",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Internal LDO output voltage at VCC pin",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "6 V ≤ VIN ≤ 36 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage (ADJ option)",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.985,
          "typ": 1,
          "max": 1.015,
          "conditions": "ADJ option",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current into FB pin (ADJ option)",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.2,
          "max": 50,
          "conditions": "ADJ option; FB = 1 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-side current limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": 3.85,
          "typ": 4.5,
          "max": 5.05,
          "conditions": "LMR33630",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-side current limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "A",
          "min": 2.9,
          "typ": 3.5,
          "max": 4.1,
          "conditions": "LMR33630",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum peak inductor current",
          "symbol": "IPEAK-MIN",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.69,
          "max": null,
          "conditions": "LMR33630",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Zero current detector threshold",
          "symbol": "IZC",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": -0.106,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Internal soft-start time",
          "symbol": "tSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 2.9,
          "typ": 4,
          "max": 6,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-good upper threshold rising (% of FB voltage)",
          "symbol": "VPG-HIGH-UP",
          "kind": "electrical",
          "unit": "%",
          "min": 105,
          "typ": 107,
          "max": 110,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-good upper threshold falling (% of FB voltage)",
          "symbol": "VPG-HIGH-DN",
          "kind": "electrical",
          "unit": "%",
          "min": 103,
          "typ": 105,
          "max": 108,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-good lower threshold rising (% of FB voltage)",
          "symbol": "VPG-LOW-UP",
          "kind": "electrical",
          "unit": "%",
          "min": 92,
          "typ": 94,
          "max": 97,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-good lower threshold falling (% of FB voltage)",
          "symbol": "VPG-LOW-DN",
          "kind": "electrical",
          "unit": "%",
          "min": 90,
          "typ": 92,
          "max": 95,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-good glitch filter delay",
          "symbol": "tPG",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 60,
          "max": 170,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-good flag RDSON",
          "symbol": "RPG",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 76,
          "max": 150,
          "conditions": "VIN = 12 V, VEN = 4 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-good flag RDSON",
          "symbol": "RPG",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 35,
          "max": 60,
          "conditions": "VEN = 0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Minimum input voltage for proper PG function",
          "symbol": "VIN-PG",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "50-µA, EN = 0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency A version",
          "symbol": "ƒSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 340,
          "typ": 400,
          "max": 460,
          "conditions": "A version",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-side MOSFET ON-resistance, DDA package",
          "symbol": "RDS-ON-HS",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 95,
          "max": 160,
          "conditions": "DDA package",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-side MOSFET ON-resistance, DDA package",
          "symbol": "RDS-ON-LS",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 66,
          "max": 110,
          "conditions": "DDA package",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Minimum switch on-time, DDA package",
          "symbol": "tON-MIN",
          "kind": "timing",
          "unit": "ns",
          "min": 75,
          "typ": null,
          "max": 108,
          "conditions": "DDA package",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Minimum switch off-time, DDA package",
          "symbol": "tOFF-MIN",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": 85,
          "conditions": "DDA package",
          "source_page": 7,
          "source": "datasheet"
        },
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