LP2951ACMMX-3.3

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  "slug": "lp2951acmmx-3-3",
  "title": "LP2951ACMMX-3.3",
  "brief": "Texas Instruments Linear Voltage Regulators (LDO), VSSOP-8-0.65mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "mpn": "LP2951ACMMX-3.3",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8-0.65mm",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp2951-n",
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      "lbr": "lp2951acmmx-3-3.lbr"
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    "distributor_links": {
      "lcsc": "C2863700",
      "digikey": "LP2951ACMMX-3.3-ND",
      "mouser": "926-LP2951ACMMX-33"
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      "digikey": {
        "pn": "LP2951ACMMX-3.3-ND",
        "status": "found",
        "lifecycle": "Obsolete"
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      "mouser": {
        "pn": "926-LP2951ACMMX-33",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Regulated output voltage for the LP2951ACMMX-3.3 (3.3 V option), which the datasheet ensures can deliver 100 mA output current."
      },
      {
        "number": "2",
        "name": "SENSE",
        "type": "input",
        "description": "Output voltage sense input that is tied to OUT in the 8-pin test configuration."
      },
      {
        "number": "3",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Disable device input, with electrical characteristics specified at VSHUTDOWN ≤ 0.8 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator."
      },
      {
        "number": "5",
        "name": "ERROR",
        "type": "output",
        "description": "Error flag output that warns of output dropout (low output voltage)."
      },
      {
        "number": "6",
        "name": "VTAP",
        "type": "output",
        "description": "Internal resistor divider output, tied to FEEDBACK for the fixed-output test configuration."
      },
      {
        "number": "7",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Voltage feedback input with an absolute maximum range of −1.5 V to 30 V."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage, with a recommended operating range of 2.3 V to 30 V and a 30 V maximum."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and functions come from the LP2951-N 'Pin Functions' table, which lists one column share; The datasheet calls ERROR an 'Error output' without stating whether it is open-collector or push-pul; The datasheet gives VSHUTDOWN ≤ 0.8 V only as a test condition and does not define the logic thresho"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1087,
        "at": "2026-10-07T23:59:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp2951-n",
        "pages": 62,
        "sha256": "b9e1f8851a20b9c9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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        "checked": "2026-10-07",
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        "sha256": "0946c15f3e989cfc00eeb6cdbd5fe910a0e6eec8df1f5ff56d7633908a833ce0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-8-0.65mm",
      "Category": "Power Supply Chip",
      "Pins": "8"
    }
  },
  "variants": [],
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  "discovery_pitch": "LP2951ACMMX-3.3 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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