LM2853MH-1.5

{
  "slug": "lm2853mh-1-5",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-14-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lm2853mh-1.5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "lm2853mh-1-5.kicad_mod",
    "lm2853mh-1-5.glb",
    "lm2853mh-1-5.step",
    "lm2853mh-1-5.lbr",
    "docs/hero.png",
    "docs/lm2853mh-1-5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "lm2853mh-1-5-hero.overlay.json"
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  "component": {
    "mpn": "LM2853MH-1.5",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-14-EP",
    "pin_count": 15,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2853",
    "parts": {
      "symbol": "lm2853mh-1-5.kicad_sym",
      "footprint": "lm2853mh-1-5.kicad_mod",
      "model_3d": "lm2853mh-1-5-hero.glb",
      "model_3d_plain": "lm2853mh-1-5.glb",
      "model_3d_step": "lm2853mh-1-5-etched.step",
      "model_3d_step_plain": "lm2853mh-1-5.step",
      "lbr": "lm2853mh-1-5.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355632",
      "digikey": "LM2853MH-1.5-ND",
      "mouser": "926-LM2853MH-15"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:40:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2853MH-1.5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2853MH-15",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AVIN",
        "type": "power_in",
        "description": "Input voltage for the control circuitry; AVIN to GND is specified at 3 V to 5.5 V and PVIN must always be equal to or less than AVIN."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input with an internal pullup, so the device is automatically enabled unless an external enable voltage is applied; VIH is 75% of AVIN minimum and VIL is 25% of AVIN maximum."
      },
      {
        "number": "3",
        "name": "SGND",
        "type": "power_in",
        "description": "Low-noise ground for the control circuitry, which must be tied together with the other ground connections on a broad ground plane."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin connected to the reference voltage node with 20 pF of internal capacitance; an external soft-start capacitor between 1 nF and 50 nF is recommended."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin that the datasheet states must be tied to ground."
      },
      {
        "number": "6",
        "name": "PVIN",
        "type": "power_in",
        "description": "Input voltage for the power circuitry; PVIN to GND is specified at 1.5 V to 5.5 V."
      },
      {
        "number": "7",
        "name": "PVIN",
        "type": "power_in",
        "description": "Input voltage for the power circuitry; PVIN to GND is specified at 1.5 V to 5.5 V."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the output inductor; it should be connected with a short, wide trace to limit losses and EMI."
      },
      {
        "number": "9",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the output inductor; it should be connected with a short, wide trace to limit losses and EMI."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the output power FETs, which must be tied together with all other ground connections."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the output power FETs, which must be tied together with all other ground connections."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that the datasheet states must be tied to ground."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that the datasheet states must be tied to ground."
      },
      {
        "number": "14",
        "name": "SNS",
        "type": "input",
        "description": "Output voltage sense pin, which should be connected as close to the load as possible and away from high dV/dt or dI/dt nodes such as the switch node."
      },
      {
        "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 datasheet calls these NC pins but also says they must be tied to ground. Typed as 'unconnected' ; The exposed pad is printed as 'EP', not a numeric pin, so it is listed with that label. Typed as pow; Pin descriptions are based on the datasheet's pin table, with limits drawn from the recommended oper",
          "exposed pad 15 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint",
          "1/15 pins cited to the wrong page (name found elsewhere): ['14:SNS@p9']"
        ],
        "pages_sent": 26,
        "cost_usd": 0.1045,
        "at": "2026-10-08T20:40:02"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2853",
        "pages": 26,
        "sha256": "2e1d0a460160f6e1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2853mh-1-5-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
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        "sha256": "6fe9f923765f631e4cd1ebdf18bf66f4c05d721bb59b8d46bb1be88d0f6d1c39",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}