TMI2284Q

{
  "schema_version": 1,
  "type": "component",
  "slug": "tmi2284q",
  "title": "TMI2284Q",
  "brief": "TMI DC-DC Converters, SOP-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)",
    "tmi2284q",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMI2284Q",
    "manufacturer": "TMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590457776486326272",
    "parts": {
      "symbol": "tmi2284q.kicad_sym",
      "footprint": "tmi2284q.kicad_mod",
      "model_3d": "tmi2284q-hero.glb",
      "model_3d_plain": "tmi2284q-etched.glb",
      "model_3d_step": "tmi2284q-etched.step",
      "model_3d_step_plain": "tmi2284q.step",
      "lbr": "tmi2284q.lbr"
    },
    "distributor_links": {
      "lcsc": "C5259211"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T11:24:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that senses the output voltage through the RFB1/RFB2 divider (1.22V typical feedback reference) and sets line drop compensation via RFB1."
      },
      {
        "number": "2",
        "name": "FSW",
        "type": "passive",
        "description": "Switching frequency set pin; connect a resistor to ground (120kHz if floating), and do not connect this pin directly to GND."
      },
      {
        "number": "3",
        "name": "ISET",
        "type": "passive",
        "description": "Output current limit set pin; connect a resistor to ground, with a default limit of 3.5A at 5V output when floating."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Power input pin with 4.5V to 40V operating range (absolute maximum 42V)."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "power_out",
        "description": "Switch pin connected to the external inductor (absolute maximum -0.3 to 42V)."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "power_out",
        "description": "Switch pin connected to the external inductor (absolute maximum -0.3 to 42V)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      }
    ],
    "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 function table lists pins 6 and 7 together as 'GND Ground.' and the package diagram text is ; Pin 8 has no name or function in the pin function table. The package diagram text is garbled and app; The datasheet says FSW should not be connected to GND directly, yet it also says the pin takes a res",
          "exposed pad 8 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0329,
        "at": "2026-10-20T11:24:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590457776486326272",
        "pages": 11,
        "sha256": "98401d3243020e3b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmi2284q-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "05698f9201712f48daa8cb6acd8628f435369e9109925bff01ab782b2fa4a507",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TMI",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "98401d3243020e3bf02571b3830024204736fafc85199fd095fa3bafcb7aa828",
      "rows": [
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          "name": "Input Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage Accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.19,
          "typ": 1.22,
          "max": 1.25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB Pin input current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 4,
          "conditions": "VOUT=5V,No load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Over Voltage Protection Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 40.2,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Under Voltage Lockout Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "VIN rising",
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        },
        {
          "name": "UVLO Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.16,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching Current limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "Duty=50%",
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          "source": "datasheet"
        },
        {
          "name": "SW leakage",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Fs=130kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency (RFSW=22kΩ)",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 270,
          "max": null,
          "conditions": "RFSW=22kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency (FSW pin floating)",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "FSW pin floating",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switch On-Resistance (high side)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switch On-Resistance (low side)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short circuit Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VFB=0V, FSW pin floating",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum On Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Threshold",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "Guaranteed by design",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Guaranteed by design",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN IN Voltage Range (recommended operating)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "TJ Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage IN and SW (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 42,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "All Other Pins Voltage Range (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10s",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model for all pins",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "JEDEC specification JS-001",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient Thermal Resistance",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case Thermal Resistance",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 46,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "TMI2284Q (TMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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