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Ray Set visibility: public 0f25d1e 12d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm74202qpwprq1",
  "title": "LM74202QPWPRQ1",
  "brief": "Texas Instruments Power Distribution Switches, HTSSOP-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "lm74202qpwprq1",
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  "component": {
    "mpn": "LM74202QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm74202-q1",
    "parts": {
      "symbol": "lm74202qpwprq1.kicad_sym",
      "footprint": "lm74202qpwprq1.kicad_mod",
      "model_3d": "lm74202qpwprq1-hero.glb",
      "model_3d_plain": "lm74202qpwprq1-etched.glb",
      "model_3d_step": "lm74202qpwprq1-etched.step",
      "model_3d_step_plain": "lm74202qpwprq1.step",
      "lbr": "lm74202qpwprq1.lbr"
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    "distributor_links": {
      "lcsc": "C2866128"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T16:18:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage. See IN, OUT, RTN and GND Pins section."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage. See IN, OUT, RTN and GND Pins section."
      },
      {
        "number": "3",
        "name": "UVLO",
        "type": "input",
        "description": "Input for setting the programmable Undervoltage Lockout threshold; an undervoltage event turns off the internal FET and asserts FLT to indicate power failure."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. These pins can be connected to RTN for enhanced thermal performance."
      },
      {
        "number": "5",
        "name": "OVP",
        "type": "input",
        "description": "Input for setting the programmable Overvoltage Protection threshold; an overvoltage event turns off the internal FET and asserts FLT to indicate the overvoltage fault."
      },
      {
        "number": "6",
        "name": "MODE",
        "type": "input",
        "description": "Mode selection pin for overload fault response. See the Device Functional Modes section."
      },
      {
        "number": "7",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown pin. Pulling SHDN low enters the device into low-power shutdown mode."
      },
      {
        "number": "8",
        "name": "RTN",
        "type": "power_in",
        "description": "Reference for device internal control circuits. If reverse input polarity protection is not required, this pin can be connected to GND."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Connect GND to system ground. See IN, OUT, RTN and GND Pins section."
      },
      {
        "number": "10",
        "name": "IMON",
        "type": "output",
        "description": "Analog current monitor output. This pin sources a scaled down ratio of current through the internal FET."
      },
      {
        "number": "11",
        "name": "ILIM",
        "type": "bidirectional",
        "description": "A resistor from this pin to RTN sets the overload and short-circuit current limit."
      },
      {
        "number": "12",
        "name": "dVdT",
        "type": "bidirectional",
        "description": "A capacitor from this pin to RTN sets output voltage slew rate."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. These pins can be connected to RTN for enhanced thermal performance."
      },
      {
        "number": "14",
        "name": "FLT",
        "type": "output",
        "description": "Fault event indicator. Indicator is an open drain output."
      },
      {
        "number": "15",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device. See IN, OUT, RTN and GND Pins section."
      },
      {
        "number": "16",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device. See IN, OUT, RTN and GND Pins section."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm74202-q1",
        "pages": 38,
        "sha256": "2498a7530056c7e3",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-21",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2498a7530056c7e3e54b8630f82fdafd6ab1dff81ab60ba1af78de4257d50913",
      "rows": [
        {
          "name": "Voltage on IN, IN-OUT",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -42,
          "typ": null,
          "max": 42,
          "conditions": "All voltages referred to GND",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Voltage on IN, IN-OUT (350 ms transient)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -55,
          "typ": null,
          "max": 55,
          "conditions": "350ms transient, TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Voltage on IN, OUT, FLT, UVLO, SHDN to RTN",
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        {
          "name": "IFLT, IdVdT, ISHDN sink current",
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          "name": "Operating junction temperature",
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          "name": "Transient junction temperature",
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          "min": -65,
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        {
          "name": "Storage temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Input voltage range",
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          "min": -40,
          "typ": null,
          "max": 40,
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        {
          "name": "Input voltage range, UVLO, OUT, FLT",
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          "min": 0,
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        {
          "name": "Input voltage range, OVP, dVdT, ILIM, IMON, SHDN",
          "symbol": "",
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          "min": 0,
          "typ": null,
          "max": 4,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ILIM resistance",
          "symbol": "R(ILIM)",
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          "unit": "kΩ",
          "min": 5.36,
          "typ": null,
          "max": 120,
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        },
        {
          "name": "External capacitance, IN, OUT",
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          "unit": "µF",
          "min": 0.1,
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        {
          "name": "Operating junction temperature range",
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        {
          "name": "Input operating voltage",
          "symbol": "V(IN)",
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          "unit": "V",
          "min": 4.2,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal POR threshold, rising",
          "symbol": "VPORR",
          "kind": "electrical",
          "unit": "V",
          "min": 3.89,
          "typ": 4,
          "max": 4.14,
          "conditions": "",
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        },
        {
          "name": "Internal POR hysteresis",
          "symbol": "VPORHys",
          "kind": "electrical",
          "unit": "mV",
          "min": 55,
          "typ": 275,
          "max": 305,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current with device enabled",
          "symbol": "IQON",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 285,
          "max": 390,
          "conditions": "VIN = 12V; Enabled: V(SHDN) = 2 V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Supply current with device disabled",
          "symbol": "IQOFF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 16,
          "max": 32,
          "conditions": "VIN = 12V, V(SHDN) = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reverse input supply current",
          "symbol": "IVINR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "V(IN) = -40 V, V(OUT) = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO threshold voltage, rising",
          "symbol": "V(UVLOR)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.175,
          "typ": 1.19,
          "max": 1.25,
          "conditions": "",
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        },
        {
          "name": "UVLO threshold voltage, falling",
          "symbol": "V(UVLOR)",
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          "unit": "V",
          "min": 1.08,
          "typ": 1.1,
          "max": 1.126,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "UVLO input leakage current",
          "symbol": "I(UVLO)",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "0 V ≤ V(UVLO) ≤ 40 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SHDN output voltage",
          "symbol": "V(SHDN)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 2.7,
          "max": 3.4,
          "conditions": "I(SHDN) = 0.1µA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SHDN threshold voltage for low IQ shutdown, falling",
          "symbol": "V(SHUTF)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "",
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        {
          "name": "SHDN threshold voltage, rising",
          "symbol": "V(SHUTFR)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.96,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SHDN input current",
          "symbol": "I(SHDN)",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "V(SHDN) = 0.4 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Factory set OV clamp select threshold",
          "symbol": "V(SEL_OVP)",
          "kind": "electrical",
          "unit": "mV",
          "min": 180,
          "typ": 200,
          "max": 240,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Over-voltage threshold voltage, rising",
          "symbol": "V(OVPR)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.175,
          "typ": 1.19,
          "max": 1.225,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Over-voltage threshold voltage, falling",
          "symbol": "V(OVPF)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.085,
          "typ": null,
          "max": 1.125,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "OVP input leakage current",
          "symbol": "I(OVP)",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": 0,
          "max": 100,
          "conditions": "0V ≤ V(OVP) ≤ 4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "dVdT charging current",
          "symbol": "I(dVdT)",
          "kind": "electrical",
          "unit": "µA",
          "min": 4,
          "typ": 4.7,
          "max": 5.82,
          "conditions": "V(dVdT) = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "dVdT discharging resistance",
          "symbol": "R(dVdT)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "SHDN = 0 V, with I(dVdT) = 10mA sinking",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "dVdT to OUT gain",
          "symbol": "GAIN(dVdT)",
          "kind": "electrical",
          "unit": "V/V",
          "min": 23.75,
          "typ": 24.63,
          "max": 25.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
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          "name": "Overload current limit",
          "symbol": "I(OL)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.085,
          "typ": 0.1,
          "max": 0.115,
          "conditions": "R(ILIM) = 120 kΩ, V(IN)-V(OUT)=1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overload current limit",
          "symbol": "I(OL)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.95,
          "typ": 1,
          "max": 1.05,
          "conditions": "R(ILIM) = 12 kΩ, V(IN)-V(OUT)=1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overload current limit",
          "symbol": "I(OL)",
          "kind": "electrical",
          "unit": "A",
          "min": 1.425,
          "typ": 1.5,
          "max": 1.575,
          "conditions": "R(ILIM) = 8 kΩ, V(IN)-V(OUT)=1V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Overload current limit",
          "symbol": "I(OL)",
          "kind": "electrical",
          "unit": "A",
          "min": 2.11,
          "typ": 2.23,
          "max": 2.35,
          "conditions": "R(ILIM) = 5.36 kΩ, V(IN)-V(OUT)=1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Circuit breaker detection threshold",
          "symbol": "I(CB)",
          "kind": "electrical",
          "unit": "A",
          "min": 0.045,
          "typ": 0.073,
          "max": 0.11,
          "conditions": "R(ILIM) = 120 kΩ, MODE = open",
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