LM5021MMX-2

{
  "slug": "lm5021mmx-2",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, VSSOP-8-0.65mm. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm5021mmx-2",
    "factory-2.0.0",
    "extractor-text"
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    "lm5021mmx-2.step",
    "lm5021mmx-2.lbr",
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    "docs/lm5021mmx-2-datasheet.pdf",
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  "component": {
    "mpn": "LM5021MMX-2",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8-0.65mm",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm5021",
    "parts": {
      "symbol": "lm5021mmx-2.kicad_sym",
      "footprint": "lm5021mmx-2.kicad_mod",
      "model_3d": "lm5021mmx-2-etched.glb",
      "model_3d_plain": "lm5021mmx-2.glb",
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      "lbr": "lm5021mmx-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865463"
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "input",
        "description": "Control input for PWM and Hiccup comparators with 5k\u03a9 internal pull-up resistor for opto-coupler biasing."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage to start-up regulator with 36V internal zener diode clamp."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_out",
        "description": "8.5V nominal regulated output of linear bias supply regulator for controller and gate drive."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "output",
        "description": "MOSFET gate driver output capable of 0.3A peak source current and 0.7A peak sink current."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Current sense input with 0.5V threshold for cycle-by-cycle current limiting and 90ns leading edge blanking."
      },
      {
        "number": "7",
        "name": "RT",
        "type": "output",
        "description": "Oscillator timing resistor pin accepting external resistor to ground for frequency setting and external clock synchronization pulses."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "output",
        "description": "Soft-start and hiccup timing pin driven by internal 22\u00b5A current source for startup ramp control."
      }
    ],
    "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-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 38,
        "cost_usd": 0.3793,
        "at": "2026-09-22T23:27:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm5021",
        "pages": 38,
        "sha256": "039278930e2432ef",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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}