LM21215AMHX-1

{
  "slug": "lm21215amhx-1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm21215amhx-1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm21215amhx-1.kicad_sym",
    "lm21215amhx-1.kicad_mod",
    "lm21215amhx-1.glb",
    "lm21215amhx-1.step",
    "lm21215amhx-1.lbr",
    "docs/hero.png",
    "docs/lm21215amhx-1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "component": {
    "mpn": "LM21215AMHX-1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm21215a",
    "parts": {
      "symbol": "lm21215amhx-1.kicad_sym",
      "footprint": "lm21215amhx-1.kicad_mod",
      "model_3d": "lm21215amhx-1-etched.glb",
      "model_3d_plain": "lm21215amhx-1.glb",
      "model_3d_step": "lm21215amhx-1-etched.step",
      "model_3d_step_plain": "lm21215amhx-1.step",
      "lbr": "lm21215amhx-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C544603"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T17:51:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SYNC",
        "type": "input",
        "description": "Frequency synchronization input; 300 kHz to 1.5 MHz clock range forces device switching at clock frequency."
      },
      {
        "number": "2",
        "name": "SS/TRK",
        "type": "input",
        "description": "Soft-start and tracking control input charged by internal 1.9 \u00b5A source (typical) to set output voltage ramp rate."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active high precision enable input with 1.35 V rising threshold, 2 \u00b5A internal pullup current."
      },
      {
        "number": "4",
        "name": "AVIN",
        "type": "power_in",
        "description": "Analog input voltage supply for internal bias; 2.95 V to 5.5 V operating range, 2.7 V UVLO threshold."
      },
      {
        "number": "5",
        "name": "PVIN",
        "type": "power_in",
        "description": "Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together, tolerate 6.5 V transient for 6 ns."
      },
      {
        "number": "6",
        "name": "PVIN",
        "type": "power_in",
        "description": "Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together, locate low ESR input capacitors close by."
      },
      {
        "number": "7",
        "name": "PVIN",
        "type": "power_in",
        "description": "Input voltage to power switches; 2.95 V to 5.5 V operating range, connect pins together at device."
      },
      {
        "number": "8",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for internal power switches; connect to PC board ground plane."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for internal power switches; connect to PC board ground plane."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for internal power switches; connect to PC board ground plane."
      },
      {
        "number": "11",
        "name": "SW",
        "type": "output",
        "description": "Switch node output to filter inductor; tie pins 11-16 together locally, tolerate transient voltages \u00b10.3 V to VPVIN+0.3 V."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "output",
        "description": "Switch node output to filter inductor; tie pins 11-16 together locally."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "output",
        "description": "Switch node output to filter inductor; tie pins 11-16 together locally."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "output",
        "description": "Switch node output to filter inductor; tie pins 11-16 together locally."
      },
      {
        "number": "15",
        "name": "SW",
        "type": "output",
        "description": "Switch node output to filter inductor; tie pins 11-16 together locally."
      },
      {
        "number": "16",
        "name": "SW",
        "type": "output",
        "description": "Switch node output to filter inductor; tie pins 11-16 together locally."
      },
      {
        "number": "17",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good indicator with 20 \u03a9 typical pulldown resistance; pulled low on OVP, UVP, or EN fault conditions."
      },
      {
        "number": "18",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output for compensation network with 1 mA source current and 65 \u00b5A sink current."
      },
      {
        "number": "19",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to error amplifier inverting input regulated at 0.6 V nominal output voltage, \u00b11% accuracy."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Quiet analog ground for internal reference and bias circuitry; keep traces away from switching noise."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 41,
        "cost_usd": 0.3464,
        "at": "2026-10-01T17:51:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm21215a",
        "pages": 41,
        "sha256": "1a78c465ce28785b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}