LTC2954ITS8-2#TRPBF

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  "title": "LTC2954ITS8-2#TRPBF",
  "brief": "Analog Devices Supervisor And Reset ICs, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power management (pmic)",
    "ltc2954its8-2#trpbf",
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    "extractor-text"
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  "component": {
    "mpn": "LTC2954ITS8-2#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "TSOT-23-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949771923173376",
    "parts": {
      "symbol": "ltc2954its8-2-trpbf.kicad_sym",
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      "lbr": "ltc2954its8-2-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C580656",
      "digikey": "505-LTC2954ITS8-2#TRPBFTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:25:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LTC2954ITS8-2#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, specified for 2.7V to 26.4V operation."
      },
      {
        "number": "2",
        "name": "PB",
        "type": "input",
        "description": "Pushbutton input with an internal 100k pull-up to a 1.9V bias; it withstands ±10kV HBM ESD, can be pulled up to 26.4V externally, and can operate down to -6V without latch-up."
      },
      {
        "number": "3",
        "name": "ONT",
        "type": "input",
        "description": "Turn-on time input where a capacitor to ground adds 6.4 seconds/µF to the PB hold time before enable is asserted, and floating it gives a default 32ms turn-on debounce."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "5",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output that is pulled low for a minimum of 32ms after a pushbutton turn-off event (tDB,OFF) and stays low while PB is asserted."
      },
      {
        "number": "6",
        "name": "EN/EN",
        "type": "output",
        "description": "Open-drain enable bar output on the LTC2954-2 that is asserted low after a valid PB turn-on event, released high if KILL is not driven high within 512ms or KILL is driven low or PB is held for tPD,MIN + tPDT, and rated for 0V to 26.4V."
      },
      {
        "number": "7",
        "name": "PDT",
        "type": "input",
        "description": "Power-down time input where a capacitor to ground adds 6.4 seconds/µF to the PB hold time before EN/EN and INT are released, and floating it gives a 64ms power-down time."
      },
      {
        "number": "8",
        "name": "KILL",
        "type": "input",
        "description": "Kill input where forcing it low releases the enable output, with an accurate 0.6V threshold and a 512ms blanking timer at turn-on."
      }
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        "guard_notes": [
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    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "TSOT-23-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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      "rows": [
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          "name": "Supply Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
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          "kind": "electrical",
          "unit": "μA",
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          "name": "EN/EN Voltage Output Low",
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          "kind": "electrical",
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          "name": "ONT Pull-Up Current",
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          "unit": "μA",
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          "kind": "electrical",
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          "kind": "electrical",
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        {
          "name": "Internal PB Power-Down Debounce Time",
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          "min": 52,
          "typ": 64,
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          "min": 26,
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          "conditions": "INT Asserted → INT Released",
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          "kind": "electrical",
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          "min": 35,
          "typ": 43.5,
          "max": 54.5,
          "conditions": "CPDT = 1500pF, INT Asserted → INT Released",
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          "name": "INT Leakage Current",
          "symbol": "IINT(LKG)",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
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          "conditions": "VINT = 3V",
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        {
          "name": "INT Output Voltage Low",
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          "conditions": "IINT = 3mA",
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        {
          "name": "KILL Input Threshold Voltage",
          "symbol": "VKILL(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.57,
          "typ": 0.6,
          "max": 0.63,
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        {
          "name": "KILL Input Threshold Hysteresis",
          "symbol": "VKILL(HYST)",
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          "unit": "mV",
          "min": 10,
          "typ": 30,
          "max": 50,
          "conditions": "",
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          "name": "KILL Leakage Current",
          "symbol": "IKILL(LKG)",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": null,
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          "conditions": "V KILL = 0.6V",
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        {
          "name": "KILL Minimum Pulse Width",
          "symbol": "tKILL(PW)",
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          "unit": "μs",
          "min": 30,
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        {
          "name": "KILL Propagation Delay",
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          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "KILL Falling → Enable Released",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "KILL Turn-On Blanking",
          "symbol": "tKILL,ON BLANK",
          "kind": "electrical",
          "unit": "ms",
          "min": 400,
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          "name": "VIN Supply Voltage (absolute maximum)",
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          "name": "Operating Temperature Range (LTC2954I-2)",
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          "min": -40,
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          "conditions": "",
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          "name": "Storage Temperature Range (TSOT-23)",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
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          "name": "Maximum Junction Temperature",
          "symbol": "TJMAX",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "TS8 package",
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          "source": "datasheet"
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          "name": "Thermal Resistance, Junction to Ambient",
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          "kind": "thermal",
          "unit": "°C/W",
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          "typ": 140,
          "max": null,
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