LM385MX

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm385mx",
  "title": "LM385MX",
  "brief": "Texas Instruments Voltage Reference, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm385mx"
  ],
  "component": {
    "mpn": "LM385MX",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm385-adj",
    "parts": {
      "symbol": "lm385mx.kicad_sym",
      "footprint": "lm385mx.kicad_mod",
      "model_3d": "lm385mx-etched.glb",
      "model_3d_plain": "lm385mx.glb",
      "model_3d_step": "lm385mx-etched.step",
      "model_3d_step_plain": "lm385mx.step",
      "lbr": "lm385mx.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Feedback/adjust input to the internal band-gap amplifier. Connect to the tap of an external resistive divider from V+ to V- to program the reference voltage from 1.24 V up to 5.30 V. Feedback current is typically ~13 nA (LM185) / 16 nA (LM385)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any convenient net; not electrically connected to the die."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any convenient net; not electrically connected to the die."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply / anode of the shunt reference. Return current path; typically connected to circuit ground in shunt-regulator configurations. Absolute maximum reverse current 30 mA."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any convenient net; not electrically connected to the die."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any convenient net; not electrically connected to the die."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any convenient net; not electrically connected to the die."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply / cathode of the shunt reference. Fed through an external series resistor from the raw supply to set the reference bias current (10 µA to 20 mA operating range). Operates over a 1.24 V to 5.3 V output range set by FEEDBACK."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm385-adj",
        "pages": null,
        "sha256": "53da1c19ad1627c4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm385mx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm385mx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "773cc7e465b9d53319cf70aeff615ff98c3f6004af39e4b76c7652b3100d14c5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "LM385M/NOPB",
      "kind": "unknown"
    },
    {
      "mpn": "LM385MX/NOPB",
      "kind": "packaging"
    },
    {
      "mpn": "LM385BM/NOPB",
      "kind": "unknown"
    },
    {
      "mpn": "LM385BMX/NOPB",
      "kind": "unknown"
    },
    {
      "mpn": "LM385Z",
      "kind": "unknown"
    },
    {
      "mpn": "LM385BZ",
      "kind": "unknown"
    },
    {
      "mpn": "LM385MXLM285Z",
      "kind": "packaging"
    },
    {
      "mpn": "LM385MXLM285BZ",
      "kind": "packaging"
    },
    {
      "mpn": "LM385MXLM185H",
      "kind": "packaging"
    },
    {
      "mpn": "LM385MXLM185BXH",
      "kind": "packaging"
    },
    {
      "mpn": "LM385MXLM185BYH",
      "kind": "packaging"
    },
    {
      "mpn": "LM385MXLM185E/883",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm385mx"
  ],
  "discovery_pitch": "LM385MX (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm385mx.kicad_sym",
    "lm385mx.kicad_mod",
    "lm385mx.glb",
    "lm385mx.step",
    "lm385mx.lbr",
    "docs/hero.png",
    "docs/lm385mx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-28T16:46:36.687Z"
}