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Ray Set visibility: public 691ece0 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm5009ammx",
  "title": "LM5009AMMX",
  "brief": "Texas Instruments DC-DC Converters, 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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  "component": {
    "mpn": "LM5009AMMX",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8-0.65mm",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm5009a.pdf",
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      "checked_at": "2026-11-05T22:41:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
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        "status": "no match"
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        "description": "Switching node: power switching node connected to the output inductor, recirculating diode, and bootstrap capacitor."
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        "description": "Boost pin (bootstrap capacitor input) requiring an external capacitor between BST and SW, with a 0.01-µF ceramic capacitor recommended."
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      {
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        "name": "RCL",
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        "description": "Current limit OFF-time set pin; a resistor between RCL and RTN sets the OFF time when current limit is detected, preset to 35 µs if FB = 0 V."
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        "type": "power_in",
        "description": "Ground pin providing ground for the entire circuit."
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      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input from the regulated output to the inverting input of the internal regulation comparator, with a regulation threshold of 2.5 V."
      },
      {
        "number": "6",
        "name": "RT/SD",
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        "description": "On-time set pin; a resistor between RT/SD and VIN sets the switch on time, with a minimum recommended on time of 400 ns at maximum input voltage, and the pin is also used for remote shutdown."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the internal high-voltage series pass regulator providing gate drive power, current limited to 9 mA, requiring a local 0.47-µF decoupling capacitor."
      },
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        "type": "power_in",
        "description": "Input voltage pin with an operating input range of 6 V to 95 V."
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        "cost_usd": 0.0125,
        "at": "2026-11-05T22:41:28"
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        "pages": 30,
        "sha256": "9fc4082d8b7a33e9",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "footprint": "viewers/footprint.html"
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        "checked": "2026-11-05",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-8-0.65mm",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "9fc4082d8b7a33e9a3bc1418b2112af01b19295e0cd8fb88d32a45b82b3e50d8",
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          "typ": null,
          "max": 100,
          "conditions": "",
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          "name": "BST to GND",
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          "min": -0.3,
          "typ": null,
          "max": 114,
          "conditions": "",
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        {
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          "symbol": "SW",
          "kind": "absolute_maximum",
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          "min": -1,
          "typ": null,
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          "conditions": "steady state",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "BST to VCC",
          "symbol": "BST-VCC",
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          "unit": "V",
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          "conditions": "",
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        {
          "name": "BST to SW",
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          "min": null,
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          "name": "VCC to GND",
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          "min": null,
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          "conditions": "",
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          "symbol": "",
          "kind": "absolute_maximum",
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          "min": -0.3,
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        {
          "name": "Storage temperature",
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          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
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          "name": "Input voltage",
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          "min": 6,
          "typ": null,
          "max": 95,
          "conditions": "",
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        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Junction-to-ambient thermal resistance (DGK)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 157.7,
          "max": null,
          "conditions": "DGK (VSSOP) 8 pins",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Junction-to-case (top) thermal resistance (DGK)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50.2,
          "max": null,
          "conditions": "DGK (VSSOP) 8 pins",
          "source_page": 4,
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        {
          "name": "Junction-to-board thermal resistance (DGK)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 77.9,
          "max": null,
          "conditions": "DGK (VSSOP) 8 pins",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC regulator output",
          "symbol": "VCC Reg",
          "kind": "electrical",
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          "min": 6.6,
          "typ": 7,
          "max": 7.4,
          "conditions": "VIN = 48 V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Iin operating current",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 750,
          "conditions": "FB = 3 V, VIN = 48 V",
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        {
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          "kind": "electrical",
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          "min": null,
          "typ": 110,
          "max": 176,
          "conditions": "RT/SD = 0 V",
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        {
          "name": "Current limit threshold",
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          "unit": "A",
          "min": 0.24,
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        {
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          "min": 2.15,
          "typ": 2.77,
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          "source": "datasheet"
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        {
          "name": "Remote shutdown threshold",
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          "typ": 0.7,
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        {
          "name": "FB reference threshold",
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          "conditions": "Itest = 200 mA",
          "source_page": 6,
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        {
          "name": "Gate drive UVLO",
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  "discovery_pitch": "LM5009AMMX (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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