MP172GJ-Z

{
  "schema_version": 1,
  "type": "component",
  "slug": "mp172gj-z",
  "title": "MP172GJ-Z",
  "brief": "Monolithic Power Systems AC-DC Controllers And Regulators, TSOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "mp172gj-z"
  ],
  "component": {
    "mpn": "MP172GJ-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603388584217100288",
    "parts": {
      "symbol": "mp172gj-z.kicad_sym",
      "footprint": "mp172gj-z.kicad_mod",
      "model_3d": "mp172gj-z-etched.glb",
      "model_3d_plain": "mp172gj-z.glb",
      "model_3d_step": "mp172gj-z-etched.step",
      "model_3d_step_plain": "mp172gj-z.step",
      "lbr": "mp172gj-z.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Control-circuit power supply. Internally biased from DRAIN by the on-chip high-voltage start-up regulator; VCCOFF ~5.7 V (regulator stops charging), VCCON ~5.5 V (regulator restarts), VCCstop ~3.4 V (IC stops switching), VCCpro ~2.5 V. Bypass to SOURCE with a low-μF capacitor."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Regulator feedback input. Sampled 6 μs after MOSFET turn-off and compared against the 2.55 V internal reference (VFB) to regulate the output; OLP triggers when VFB < ~1.74 V for 170 ms (at fS=36 kHz); open-loop detection triggers when VFB < ~0.5 V."
      },
      {
        "number": "3",
        "name": "SOURCE",
        "type": "power_in",
        "description": "Internal power MOSFET source and ground reference for VCC and FB. Pins 3 and 4 are internally common and must both be tied to the primary-side return."
      },
      {
        "number": "4",
        "name": "SOURCE",
        "type": "power_in",
        "description": "Internal power MOSFET source and ground reference for VCC and FB. Pins 3 and 4 are internally common and must both be tied to the primary-side return."
      },
      {
        "number": "5",
        "name": "DRAIN",
        "type": "power_in",
        "description": "Internal 700 V power MOSFET drain and high-voltage start-up current source input. Ron ~16 Ω typ; V(BR)DSS 700 V; ILimit ~210 mA (peak), ISCP ~400 mA. Connect to the switching node / rectified high-voltage rail per topology."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603388584217100288",
        "pages": null,
        "sha256": "3db857898bc6a74e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5120f0cee43ef7743cc08408d2c12f234fcac7355386e330a3a16f336e23da8d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp172gj-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b1ac108984cf45098a1a4fe381ddbfc926d96c9084beabb78e02570c5431ad12",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "TSOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    }
  },
  "variants": [
    {
      "mpn": "MP172GJ-Z",
      "kind": "packaging"
    },
    {
      "mpn": "MP172GJ-ZGS",
      "kind": "packaging"
    },
    {
      "mpn": "MP172GJ-ZGS-Z",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mp172gj-z"
  ],
  "discovery_pitch": "MP172GJ-Z (Monolithic Power Systems) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mp172gj-z.kicad_sym",
    "mp172gj-z.kicad_mod",
    "mp172gj-z.glb",
    "mp172gj-z.step",
    "mp172gj-z.lbr",
    "docs/hero.png",
    "docs/mp172gj-z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T02:18:53.847Z"
}