LP2951ACMM

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  "type": "component",
  "slug": "lp2951acmm",
  "title": "LP2951ACMM",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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",
  "tags": [
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    "power management (pmic)",
    "lp2951acmm",
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  "component": {
    "mpn": "LP2951ACMM",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8-0.65mm",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp2951-n",
    "parts": {
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      "footprint": "lp2951acmm.kicad_mod",
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      "model_3d_step": "lp2951acmm-etched.step",
      "model_3d_step_plain": "lp2951acmm.step",
      "lbr": "lp2951acmm.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860713",
      "mouser": "926-LP2951ACMM"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T09:32:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "926-LP2951ACMM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Regulated output voltage of the LP2951-N; the electrical characteristics are specified with CL = 1 µF for 5-V versions and 2.2 µF for 3-V and 3.3-V versions."
      },
      {
        "number": "2",
        "name": "SENSE",
        "type": "input",
        "description": "Output voltage sense input, which the datasheet specifies tied to OUT in the 8-pin test conditions."
      },
      {
        "number": "3",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Logic-compatible shutdown input that enables or disables the regulator, with the 8-pin test conditions specifying VSHUTDOWN ≤ 0.8 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator; the datasheet recommends a wide ground return connection close to the input and output capacitors."
      },
      {
        "number": "5",
        "name": "ERROR",
        "type": "output",
        "description": "Error flag output that warns of a low output voltage (such as falling input battery voltage) and may be used for power-on reset."
      },
      {
        "number": "6",
        "name": "VTAP",
        "type": "output",
        "description": "Internal resistor divider tap, which the 8-pin test conditions specify tied to FEEDBACK."
      },
      {
        "number": "7",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Voltage feedback input for programming the output from 1.24 V to 29 V; absolute maximum input voltage range is -1.5 V to 30 V."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage, with a recommended range of 2.3 V to 30 V and an absolute maximum of 30 V."
      }
    ],
    "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 VSSOP (DGK) package is confirmed for LP2951ACMM via the package addendum (LP2951ACMM-3.0/NOPB, L; The datasheet does not state whether the ERROR output is open-collector or its voltage/current limit; The 'LP2951ACMM' adjustable part is the LP2951-N adjustable version (output programmable via FEEDBAC"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0984,
        "at": "2026-10-11T09:31:48"
      },
      "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,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "72be6d73e49701e8caaa74294ba2da5693631c9932830bb3a687f82d8f95631d",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-8-0.65mm",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "lp2951acmm"
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  "discovery_pitch": "LP2951ACMM (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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