main
Ray Set visibility: public dbb2535 13d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "mp24943ds-lf-z",
  "title": "MP24943DS-LF-Z",
  "brief": "Monolithic Power Systems 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": [
    "component",
    "power management (pmic)",
    "mp24943ds-lf-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MP24943DS-LF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600493348986118144",
    "parts": {
      "symbol": "mp24943ds-lf-z.kicad_sym",
      "footprint": "mp24943ds-lf-z.kicad_mod",
      "model_3d": "mp24943ds-lf-z-hero.glb",
      "model_3d_plain": "mp24943ds-lf-z-etched.glb",
      "model_3d_step": "mp24943ds-lf-z-etched.step",
      "model_3d_step_plain": "mp24943ds-lf-z.step",
      "lbr": "mp24943ds-lf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C5800294",
      "digikey": "1589-MP24943DS-LF-ZTR-ND",
      "mouser": "946-MP24943DSLFZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:24:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-MP24943DS-LF-ZTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "946-MP24943DSLFZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input with an unregulated range of 4.5V to 55V; an input capacitor (CIN) is required to decouple it and it provides the drain of the internal power device."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground and voltage reference for the regulated output; this node must be placed outside the D1-to-CIN ground path to prevent current spikes from inducing voltage noise."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input: pulling it below 0.4V shuts the chip down, and pulling it above 1.8V enables the chip."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input for an external resistor divider from VOUT to GND that sets the output voltage against the 0.8V reference."
      },
      {
        "number": "5",
        "name": "SS",
        "type": "input",
        "description": "Soft-start pin; connect an external capacitor to set the soft-start ramp."
      },
      {
        "number": "6",
        "name": "VO",
        "type": "input",
        "description": "Output over-voltage protection input; connect to the tap of an external divider from VOUT to GND, with the OVP reference at 0.9V."
      },
      {
        "number": "7",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin; a capacitor between SW and BST forms a floating supply that drives the power switch gate above the supply voltage, with an optional external diode from VIN or VOUT if the on-chip regulator is not strong enough."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switch output that connects the internal power switch and inductor to the output supply."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table lists pin 2 as 'GND, Exposed Pad', and the exposed-pad note ('connect to pin 2') appea; The datasheet gives 'Switch Output. Output supply.' for SW with no electrical limits. Its KiCad type; Pin types for SS, VO and BST are inferred from their functions; the datasheet does not classify them"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0486,
        "at": "2026-10-20T23:22:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600493348986118144",
        "pages": 13,
        "sha256": "91595da34b0e9f1a",
        "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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        "seat": "z = 0",
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "mp24943ds-lf-z-etched.step",
        "role": "eda",
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        "sha256": "bbe2ac1697d439acf7d360779201e7d14e70f5c9bb3b13a0b45da95b877d20ea",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "91595da34b0e9f1a10e5a9e77ad569bdc3e7190c33494a736ef46705f6a92d73",
      "rows": [
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          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.78,
          "typ": 0.8,
          "max": 0.82,
          "conditions": "4.5V ≤ VIN ≤ 55V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback Bias Current",
          "symbol": "IBIAS(FB)",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": 10,
          "max": 100,
          "conditions": "VFB = 0.8V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Over-Voltage Reference",
          "symbol": "VOVREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.88,
          "typ": 0.92,
          "max": 0.96,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch-On Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.125,
          "max": 0.15,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switch Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN = 0V, VSW = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 5.5,
          "typ": 6.5,
          "max": 8,
          "conditions": "Duty Cycle=10%",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 70,
          "typ": 100,
          "max": 140,
          "conditions": "VFB = 0.6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Bootstrap Voltage",
          "symbol": "VBST - VSW",
          "kind": "electrical",
          "unit": "V",
          "min": 4.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum-On Time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": 100,
          "max": 250,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW-rising edge",
          "symbol": "trise",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW-falling edge",
          "symbol": "tfall",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN-Input Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN-Input High Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN-Input Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": -2,
          "max": 10,
          "conditions": "VEN=0-6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Under-Voltage Lockout Threshold Rising",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Shutdown)",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 4,
          "max": 10,
          "conditions": "VEN=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Quiescent)",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 650,
          "max": 800,
          "conditions": "VEN = 2V, VFB = 1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Under-Voltage Lockout Threshold Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
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          "source_page": 3,
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        },
        {
          "name": "Thermal Shutdown",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Switch Voltage",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN + 0.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "All Other Pins Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "All other pins",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Power Dissipation (SOIC8)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.38,
          "conditions": "TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 55,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Free Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Ordering information, free air temperature",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (SOIC8)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "Measured on JESD51-7, 4-layer PCB",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case (SOIC8)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "Measured on JESD51-7, 4-layer PCB",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "MP24943DS-LF-Z (Monolithic Power Systems) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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