TMI8037

{
  "schema_version": 1,
  "type": "component",
  "slug": "tmi8037",
  "title": "TMI8037",
  "brief": "TMI Power Management - Specialized, ESOP-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)",
    "tmi8037",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMI8037",
    "manufacturer": "TMI",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918049211109377",
    "parts": {
      "symbol": "tmi8037.kicad_sym",
      "footprint": "tmi8037.kicad_mod",
      "model_3d": "tmi8037-hero.glb",
      "model_3d_plain": "tmi8037-etched.glb",
      "model_3d_step": "tmi8037-etched.step",
      "model_3d_step_plain": "tmi8037.step",
      "lbr": "tmi8037.lbr"
    },
    "distributor_links": {
      "lcsc": "C840547"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:23:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VLNB",
        "type": "power_out",
        "description": "LNB output pin that delivers the 14V/19V supply to the LNB, with the 22kHz DiSEqC tone superimposed (±350mV) and output current limited to 500-750mA."
      },
      {
        "number": "2",
        "name": "BOOST",
        "type": "power_in",
        "description": "BOOST converter output voltage sense and the input terminal of the internal LDO, which withstands a back voltage of 27V."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "passive",
        "description": "DC-DC converter switch node, connected to the boost inductor (LX voltage range -2 to 30V absolute maximum)."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, operating over 9V to 14V (12V typical) with an input UVLO threshold of 7.5V (rising)."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input: a low level disables the output and a high level (1.5V minimum) enables it, with absolute maximum supply voltage range of -0.3 to 24V."
      },
      {
        "number": "6",
        "name": "H_L",
        "type": "input",
        "description": "Output voltage select input: high selects 19V and low selects 14V, with logic high at 1.5V minimum and logic low at 0.55V maximum (absolute maximum -0.3 to 6V)."
      },
      {
        "number": "7",
        "name": "VCP",
        "type": "passive",
        "description": "Charge pump node for the LDO supply; a 10nF capacitor connects from VCP to GND or to BOOST, and if connected to GND its voltage rating should be 50V."
      },
      {
        "number": "8",
        "name": "TONE",
        "type": "input",
        "description": "22kHz TONE signal input (20-22kHz range) that must be held low when no tone is applied, with absolute maximum voltage range of -0.3 to 6V."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground, provided on the exposed pad at the bottom of the package."
      }
    ],
    "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: BOOST and VCP are described by function rather than an electrical class; BOOST is typed power_in as ; Pin 9 is the exposed thermal pad, listed in the datasheet as Power GND; it is included as pin 9 per ; The package pin diagram on page 4 is garbled in the text extraction; the pin numbers were taken from"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0472,
        "at": "2026-10-19T05:20:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918049211109377",
        "pages": 11,
        "sha256": "0ac3e15ccc7759d9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "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": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "TMI",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
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        },
        {
          "name": "BOOST Voltage Range",
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        },
        {
          "name": "VLNB Voltages Range",
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        {
          "name": "LX Voltage Range",
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          "conditions": "",
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        {
          "name": "H_L, TONE Voltage Range",
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          "name": "Junction Temperature",
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        {
          "name": "Storage Temperature",
          "symbol": "",
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          "unit": "°C",
          "min": -50,
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        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10s",
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        },
        {
          "name": "ESD Human Body Model, all pins",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
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          "source_page": 5,
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        },
        {
          "name": "Voltage Range IN",
          "symbol": "",
          "kind": "recommended_operating",
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          "typ": null,
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        {
          "name": "TJ Operating Junction Temperature Range",
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          "typ": null,
          "max": 125,
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        {
          "name": "Operating supply voltage range",
          "symbol": "VIN",
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          "min": 9,
          "typ": 12,
          "max": 14,
          "conditions": "",
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        },
        {
          "name": "Operating Supply Current",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "EN=\"1\", VOUT=19V, TONE_IN=0V",
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        },
        {
          "name": "Operating Supply Current with 22kHz TONE input",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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        },
        {
          "name": "Disable Supply Current",
          "symbol": "ISDN",
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          "unit": "mA",
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          "typ": null,
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        },
        {
          "name": "Output Voltage (H_L=1)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 18,
          "typ": null,
          "max": 19,
          "conditions": "EN=\"1\", H_L=\"1\", ILOAD=200mA (Note 4)",
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        },
        {
          "name": "Output Voltage (H_L=0)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 13,
          "typ": null,
          "max": 14,
          "conditions": "EN=\"1\", H_L=\"0\", ILOAD=200mA (Note 4)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Linear Regulator Drop Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": 1.2,
          "conditions": "EN=\"1\", ILOAD=450mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN Line Regulation",
          "symbol": "RLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 40,
          "conditions": "VIN=9~14V, VOUT=19V",
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          "source": "datasheet"
        },
        {
          "name": "DC Control Switching Transition 14V->19V",
          "symbol": "TDCTRAN",
          "kind": "electrical",
          "unit": "ms",
          "min": 0.4,
          "typ": 1,
          "max": 1.4,
          "conditions": "14V->19V, ILOAD=200mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC Control Switching Transition 19V->14V",
          "symbol": "TDCTRAN",
          "kind": "electrical",
          "unit": "ms",
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          "typ": 1,
          "max": 1.4,
          "conditions": "19V->14V, ILOAD=200mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VOUT output Load Regulation",
          "symbol": "RLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": 80,
          "conditions": "ILOAD=0~450mA, VOUT=19V, Slow Rate=255mA/us, CLOAD=0.2μF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ripple and Noise on VOUT Output",
          "symbol": "VNOISE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "20MHz BWL",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": 600,
          "max": 750,
          "conditions": "VOUT=19V or OUT=14V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VOUT output short current limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": 140,
          "typ": 240,
          "max": 340,
          "conditions": "VOUT output short",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Boost DC/DC Switching Frequency",
          "symbol": "FBOOST",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.8,
          "typ": 1,
          "max": 1.2,
          "conditions": "EN=\"1\"",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "BOOST Maximum Duty",
          "symbol": "DBST_MAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "BOOST Minimum on Time",
          "symbol": "DBST_MIN",
          "kind": "electrical",
          "unit": "%",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Short and Overload: Dynamic Overload ON Time",
          "symbol": "Ton",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "Output shorted to GND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short and Overload: Dynamic Overload OFF Time",
          "symbol": "Toff",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 1600,
          "max": null,
          "conditions": "Output shorted to GND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input TONE Frequency Range",
          "symbol": "FTONE",
          "kind": "electrical",
          "unit": "kHz",
          "min": 20,
          "typ": null,
          "max": 22,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VOUT output TONE Amplitude, peak to peak",
          "symbol": "VPP_TONE",
          "kind": "electrical",
          "unit": "mV",
          "min": 600,
          "typ": null,
          "max": 800,
          "conditions": "ILOAD=0~450mA, CLOAD=100nF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VOUT output TONE Rising Time",
          "symbol": "TRISE_TON",
          "kind": "electrical",
          "unit": "μs",
          "min": 6,
          "typ": 8,
          "max": 10,
          "conditions": "ILOAD=0~450mA, CLOAD=570nF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VOUT output TONE Falling Time",
          "symbol": "TFALL_TON",
          "kind": "electrical",
          "unit": "μs",
          "min": 6,
          "typ": 8,
          "max": 10,
          "conditions": "ILOAD=0~450mA, CLOAD=570nF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "TONE Pin Input Leakage Current",
          "symbol": "ITON_LEAK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "H_L High Logic Input",
          "symbol": "VHL_INH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "H_L Low Logic Input",
          "symbol": "VHL_INL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "H_L Pin Input Leakage",
          "symbol": "IHL_LEAK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN High Logic Input",
          "symbol": "VEN_INH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN Low Logic Input",
          "symbol": "VEN_INL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN PIN Maximum Input Current",
          "symbol": "IEN_MAX",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input UVLO Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "VIN rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input UVLO Hysteresis",
          "symbol": "VUVLO_HY",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power on VOUT Rise Time",
          "symbol": "TRVOUT",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "ILOAD=200mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Switch on Resistance",
          "symbol": "Rdson",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "ILOAD=450mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "BOOST Current Limit",
          "symbol": "IBST_LIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Threshold",
          "symbol": "TSDN",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSDN_HY",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VOUT output TONE Duty",
          "symbol": "DTONE",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "ILOAD=0~450mA, CLOAD=570nF",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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