MP2149GJ-Z

{
  "slug": "mp2149gj-z",
  "version": "0.1.0",
  "type": "component",
  "description": "Monolithic Power Systems DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management (pmic)",
    "mp2149gj-z",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "mp2149gj-z.step",
    "mp2149gj-z.lbr",
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    "docs/mp2149gj-z-datasheet.pdf",
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    "viewers/footprint.html",
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    "mp2149gj-z-hero.overlay.json",
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  "component": {
    "mpn": "MP2149GJ-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSOT-23-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6eb6e2b3e1101b68b261e9f3d0c5a864.pdf",
    "parts": {
      "symbol": "mp2149gj-z.kicad_sym",
      "footprint": "mp2149gj-z.kicad_mod",
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      "model_3d_plain": "mp2149gj-z-etched.glb",
      "model_3d_step": "mp2149gj-z-etched.step",
      "model_3d_step_plain": "mp2149gj-z.step",
      "lbr": "mp2149gj-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C6595447"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:32:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 870 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB2",
        "type": "input",
        "description": "Feedback 2 error amplifier input; connect to the tap of an external resistor divider between the output and GND to set the regulation voltage (0.608V reference)."
      },
      {
        "number": "2",
        "name": "EN2",
        "type": "input",
        "description": "Channel 2 enable input for the buck converter; high threshold 1.2V, low threshold 0.4V."
      },
      {
        "number": "3",
        "name": "SW2",
        "type": "passive",
        "description": "Channel 2 switch node connecting the internal high-side and low-side power MOSFETs to the inductor."
      },
      {
        "number": "4",
        "name": "EN1",
        "type": "input",
        "description": "Channel 1 enable input for the buck converter; high threshold 1.2V, low threshold 0.4V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; connect to a GND plane on the PCB for heat sinking."
      },
      {
        "number": "6",
        "name": "SW1",
        "type": "passive",
        "description": "Channel 1 switch node connecting the internal high-side and low-side power MOSFETs to the inductor."
      },
      {
        "number": "7",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply, 2.7V to 6V operating range; requires a decoupling capacitor to ground to reduce switching spikes."
      },
      {
        "number": "8",
        "name": "FB1",
        "type": "input",
        "description": "Feedback 1 error amplifier input; connect to the tap of an external resistor divider between the output and GND to set the regulation voltage (0.608V reference)."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "pages_sent": 13,
        "cost_usd": 0.1107,
        "at": "2026-10-23T18:31:59"
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        "sha256": "6f6e037e94814d85",
        "source_tier": "lcsc"
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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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}