main
Ray Set visibility: public e52ec10 7h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2853mh-3-3",
  "title": "LM2853MH-3.3",
  "brief": "Texas Instruments DC-DC Converters, HTSSOP-14-EP. 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",
    "power management (pmic)",
    "lm2853mh-3.3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2853MH-3.3",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-14-EP",
    "pin_count": 15,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm2853.pdf",
    "parts": {
      "symbol": "lm2853mh-3-3.kicad_sym",
      "footprint": "lm2853mh-3-3.kicad_mod",
      "model_3d": "lm2853mh-3-3-hero.glb",
      "model_3d_plain": "lm2853mh-3-3-etched.glb",
      "model_3d_step": "lm2853mh-3-3-etched.step",
      "model_3d_step_plain": "lm2853mh-3-3.step",
      "lbr": "lm2853mh-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860127",
      "digikey": "LM2853MH-3.3-ND",
      "mouser": "926-LM2853MH-33"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:48:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2853MH-3.3-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "926-LM2853MH-33",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AVIN",
        "type": "power_in",
        "description": "Supplies the control circuitry and is specified for 3 V to 5.5 V to GND."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input with an absolute maximum rating of -0.3 V to 6 V."
      },
      {
        "number": "3",
        "name": "SGND",
        "type": "power_in",
        "description": "Low-noise ground for the control circuitry, which must be tied together with all other ground connections."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin with an absolute maximum rating of -0.3 V to 6 V."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin that must be tied to ground."
      },
      {
        "number": "6",
        "name": "PVIN",
        "type": "power_in",
        "description": "Supplies the power FETs and is specified for 1.5 V to 5.5 V to GND, with PVIN required to be less than or equal to AVIN."
      },
      {
        "number": "7",
        "name": "PVIN",
        "type": "power_in",
        "description": "Supplies the power FETs and is specified for 1.5 V to 5.5 V to GND, with PVIN required to be less than or equal to AVIN."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switch node pin, monitored by the switch-node protection circuitry, with an absolute maximum rating of -0.3 V to 6 V."
      },
      {
        "number": "9",
        "name": "SW",
        "type": "output",
        "description": "Switch node pin, monitored by the switch-node protection circuitry, with an absolute maximum rating of -0.3 V to 6 V."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the power FETs, which must be tied together with all other ground connections."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the power FETs, which must be tied together with all other ground connections."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that must be tied to ground."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that must be tied to ground."
      },
      {
        "number": "14",
        "name": "SNS",
        "type": "input",
        "description": "Output voltage sense pin that should be connected as close to the load as possible, with an absolute maximum rating of -0.3 V to 6 V."
      },
      {
        "number": "15",
        "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": {
        "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 exposed pad is not numbered on the datasheet pinout; it is listed as EP and is included under th"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0192,
        "at": "2026-11-05T23:48:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm2853.pdf",
        "pages": 26,
        "sha256": "44527cfac656043f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2853mh-3-3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.35,
          5,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e73930af88609deacee2bde98223bb9da2411f0cebb494015de765f0df216789",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2853mh-3-3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.35,
          5,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d3628c066a1c429c588065ed7bd80c1187e705c0c1db5527b73cc0fce6911b73",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-14-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "15"
    },
    "appearance": {
      "housing": {
        "quote": "V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2 kV (1) Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating Range ind",
        "page": 4,
        "doc": "ds.pdf",
        "material": "Abs"
      },
      "version": 1,
      "datasheet_sha256": "44527cfac656043ff6b40ccb95a219fbed2825b4ff403d1c41ba97cf6ba03e34"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "44527cfac656043ff6b40ccb95a219fbed2825b4ff403d1c41ba97cf6ba03e34",
      "rows": [
        {
          "name": "VOUT voltage tolerance (VOUT = 3.3 V option)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.2257,
          "typ": 3.3,
          "max": 3.3743,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VIN line regulation (VOUT = 3 V or 3.3 V)",
          "symbol": "ΔVOUT/ΔA",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 1.1,
          "conditions": "3.5 V ≤ AVIN ≤ 5.5 V, TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO threshold rising (AVIN)",
          "symbol": "VON",
          "kind": "electrical",
          "unit": "V",
          "min": 2.47,
          "typ": null,
          "max": 3,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO falling hysteresis (AVIN)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 155,
          "max": 260,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PFET on resistance",
          "symbol": "RDS(ON)-P",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 40,
          "typ": null,
          "max": 120,
          "conditions": "Isw = 3A, TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "NFET on resistance",
          "symbol": "RDS(ON)-N",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 32,
          "typ": null,
          "max": 100,
          "conditions": "Isw = 3A, TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Peak current limit threshold",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.6,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.85,
          "typ": null,
          "max": 2,
          "conditions": "Non-switching, TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown quiescent current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": 12,
          "typ": null,
          "max": 50,
          "conditions": "EN = 0 V, TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fosc",
          "kind": "electrical",
          "unit": "kHz",
          "min": 325,
          "typ": 550,
          "max": 725,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Duty cycle range",
          "symbol": "Drange",
          "kind": "electrical",
          "unit": "%",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN pin minimum high input",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "% of AVIN",
          "min": 75,
          "typ": null,
          "max": null,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN pin maximum low input",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "% of AVIN",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "TJ = –40°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pin voltage (AVIN, PVIN, EN, SNS, SW, SS)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PVIN to GND input voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "AVIN to GND input voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 38,
          "max": null,
          "conditions": "PWP (HTSSOP) 14-pin package",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2853mh-3.3"
  ],
  "discovery_pitch": "LM2853MH-3.3 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2853mh-3-3.kicad_sym",
    "lm2853mh-3-3.kicad_mod",
    "lm2853mh-3-3.glb",
    "lm2853mh-3-3.step",
    "lm2853mh-3-3.lbr",
    "docs/hero.png",
    "docs/lm2853mh-3-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2853mh-3-3-hero.glb",
    "lm2853mh-3-3-hero.overlay.json",
    "lm2853mh-3-3-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}