LM2597MX-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2597mx-adj",
  "title": "LM2597MX-ADJ",
  "brief": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2597mx-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2597MX-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2597hv",
    "parts": {
      "symbol": "lm2597mx-adj.kicad_sym",
      "footprint": "lm2597mx-adj.kicad_mod",
      "model_3d": "lm2597mx-adj-hero.glb",
      "model_3d_plain": "lm2597mx-adj.glb",
      "model_3d_step": "lm2597mx-adj-etched.step",
      "model_3d_step_plain": "lm2597mx-adj.step",
      "lbr": "lm2597mx-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C206229"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T00:12:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Error Flag",
        "type": "output",
        "description": "Open-collector output that goes low when the regulated output drops more than 5% below nominal, and stays low until VOUT reaches 95% of nominal plus the Delay pin capacitor time, so it can reset a microprocessor at power-up."
      },
      {
        "number": "2",
        "name": "Delay",
        "type": "output",
        "description": "Provides an adjustable power-up delay, set by an external capacitor, between VOUT reaching 95% of nominal and the Error Flag going high, and the pin voltage is limited to 1.5 V maximum."
      },
      {
        "number": "3",
        "name": "Bias Supply",
        "type": "input",
        "description": "Allows the internal circuitry to be powered from the regulated output or an external supply instead of VIN for higher efficiency, with bias supply voltage limited to -0.3 V to 30 V."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Senses the regulated output voltage to close the feedback loop, with the pin voltage limited to -0.3 V to 25 V."
      },
      {
        "number": "5",
        "name": "Shutdown/Soft-Start",
        "type": "input",
        "description": "Dual-function pin where logic-level signals shut the regulator down (total input current about 80 µA), and a capacitor on this pin gives controlled soft-start; the pin input voltage is limited to 6 V maximum."
      },
      {
        "number": "6",
        "name": "Ground",
        "type": "power_in",
        "description": "Circuit ground."
      },
      {
        "number": "7",
        "name": "+VIN",
        "type": "power_in",
        "description": "Positive input supply for the switching regulator, requiring a suitable bypass capacitor; for the LM2597 the recommended supply is 4.5 V to 40 V with a 45 V absolute maximum."
      },
      {
        "number": "8",
        "name": "Output",
        "type": "output",
        "description": "Internal switch output that swings between (+VIN - VSAT) and about -0.5 V at a duty cycle of VOUT/VIN, so its PCB copper area must be kept minimal to limit coupling to sensitive circuitry."
      }
    ],
    "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: Pin map is taken from the 8-pin SOIC (D) package drawing and pin table on page 3; the datasheet stat; Pin types were mapped to KiCad ERC classes: the datasheet labels +VIN as input (I), but it is the ma; Page 3 footnote states that if Shutdown/Soft-Start, Error Flag, Delay or Bias Supply are not used, t",
          "1/8 pin names appear NOWHERE in the datasheet text: ['6:Ground@p3']"
        ],
        "pages_sent": 10,
        "cost_usd": 0.068,
        "at": "2026-10-08T00:12:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2597hv",
        "pages": 52,
        "sha256": "4c810080b3229f59",
        "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": "lm2597mx-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2597mx-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2cfd35bcdf8e488702025c21c0384ec026529b34a5a430c206dfe9851e122299",
        "checked": "2026-10-08",
        "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": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2597mx-adj"
  ],
  "discovery_pitch": "LM2597MX-ADJ (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lm2597mx-adj.kicad_sym",
    "lm2597mx-adj.kicad_mod",
    "lm2597mx-adj.glb",
    "lm2597mx-adj.step",
    "lm2597mx-adj.lbr",
    "docs/hero.png",
    "docs/lm2597mx-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2597mx-adj-hero.glb",
    "lm2597mx-adj-hero.overlay.json"
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  "visibility": {
    "public": true
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}