LM2597MX-5.0

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  "slug": "lm2597mx-5-0",
  "title": "LM2597MX-5.0",
  "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": [
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  "component": {
    "mpn": "LM2597MX-5.0",
    "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": {
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      "lbr": "lm2597mx-5-0.lbr"
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    "distributor_links": {
      "lcsc": "C841385",
      "digikey": "LM2597MX-5.0TR-ND",
      "mouser": "926-LM2597MX-50"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T09:00:03Z",
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      "digikey": {
        "pn": "LM2597MX-5.0TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
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      "mouser": {
        "pn": "926-LM2597MX-50",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Error_Flag",
        "type": "tri_state",
        "description": "Open collector output flag, low when output voltage drops >5% from nominal, until VOUT reaches 95% plus delay time set by Delay pin capacitor."
      },
      {
        "number": "2",
        "name": "Delay",
        "type": "output",
        "description": "Connected to external timing capacitor to set power-up delay between output reaching 95% nominal and error flag going high."
      },
      {
        "number": "3",
        "name": "Bias_Supply",
        "type": "input",
        "description": "Bias supply input for regulator internal circuitry, allows powered from regulated output or external supply instead of VIN to improve efficiency."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Feedback input that senses the regulated output voltage to complete the feedback loop for voltage regulation."
      },
      {
        "number": "5",
        "name": "Shutdown/Soft-Start",
        "type": "input",
        "description": "Dual-function input: logic level control shuts down regulator reducing standby current to approximately 80 μA, or add capacitor for soft-start to minimize start-up current."
      },
      {
        "number": "6",
        "name": "Ground",
        "type": "power_in",
        "description": "Circuit ground, common reference for all supplies and signals."
      },
      {
        "number": "7",
        "name": "+VIN",
        "type": "power_in",
        "description": "Positive input supply (4.5 to 40 V for LM2597, 4.5 to 60 V for LM2597HV), requires input bypass capacitor to minimize voltage transients."
      },
      {
        "number": "8",
        "name": "Output",
        "type": "output",
        "description": "Internal power switch output with voltage switching between (+VIN − VSAT) and approximately −0.5 V at duty cycle of VOUT/VIN, minimize PCB copper area to reduce coupling."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/8 pin names appear NOWHERE in the datasheet text: ['6:Ground@p3']"
        ],
        "pages_sent": 10,
        "cost_usd": 0.128,
        "at": "2026-10-01T08:59:47"
      },
      "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
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    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
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  "discovery_pitch": "LM2597MX-5.0 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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