TPS54262QPWPRQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54262qpwprq1",
  "title": "TPS54262QPWPRQ1",
  "brief": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. 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 supply chip",
    "tps54262qpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS54262QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54262-q1",
    "parts": {
      "symbol": "tps54262qpwprq1.kicad_sym",
      "footprint": "tps54262qpwprq1.kicad_mod",
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      "model_3d_step": "tps54262qpwprq1-etched.step",
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      "lbr": "tps54262qpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071443",
      "digikey": "296-25234-2-ND",
      "mouser": "595-TPS54262QPWPRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:07:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25234-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54262QPWPRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the datasheet instructs that this pin be connected to ground."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the datasheet instructs that this pin be connected to ground."
      },
      {
        "number": "3",
        "name": "SYNC",
        "type": "input",
        "description": "External synchronization clock input that overrides the internal oscillator, with an internal 62 kΩ (typical) pulldown to ground; connect to GND if not used."
      },
      {
        "number": "4",
        "name": "LPM",
        "type": "input",
        "description": "Digital low-power mode control input with an internal 62 kΩ (typical) pulldown to ground."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable pin, internally pulled up, that must be externally pulled up or down to enable or disable the device."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "output",
        "description": "External resistor to ground programs the internal oscillator frequency."
      },
      {
        "number": "7",
        "name": "Rslew",
        "type": "output",
        "description": "External resistor to ground controls the slew rate of the internal switching FET."
      },
      {
        "number": "8",
        "name": "RST",
        "type": "output",
        "description": "Active-low, open-drain reset output connected to an external bias voltage through a resistor, asserted high after the device starts regulating."
      },
      {
        "number": "9",
        "name": "Cdly",
        "type": "output",
        "description": "External capacitor to ground programs the power-on reset delay."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be electrically connected to the exposed pad on the PCB for proper thermal performance."
      },
      {
        "number": "11",
        "name": "SS",
        "type": "output",
        "description": "External capacitor to ground programs the soft-start time."
      },
      {
        "number": "12",
        "name": "OV_TH",
        "type": "input",
        "description": "Sense input for overvoltage detection, with an external resistor network between VReg and ground setting the overvoltage threshold."
      },
      {
        "number": "13",
        "name": "RST_TH",
        "type": "input",
        "description": "Sense input for undervoltage detection on the regulated output, with an external resistor network between VReg and ground setting the reset and undervoltage threshold."
      },
      {
        "number": "14",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting node of the error amplifier for voltage-mode control."
      },
      {
        "number": "15",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output that connects to external compensation components."
      },
      {
        "number": "16",
        "name": "VReg",
        "type": "input",
        "description": "Connects to the internal low-side FET that loads the output during start-up or limits overshoot."
      },
      {
        "number": "17",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal switching FET."
      },
      {
        "number": "18",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input voltage; pin 18 and pin 19 must be connected externally."
      },
      {
        "number": "19",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input voltage; pin 18 and pin 19 must be connected externally."
      },
      {
        "number": "20",
        "name": "BOOT",
        "type": "output",
        "description": "External bootstrap capacitor connected to PH drives the gate of the internal switching FET."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: NC pins 1 and 2 are labeled 'NC' but the datasheet says to connect them to ground; typed as passive ; RT, Rslew, Cdly and SS are typed 'O' in the datasheet but are functionally external resistor/capacit; VReg (pin 16) is typed 'I' in the datasheet although the description refers to an internal FET conne",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.063,
        "at": "2026-10-11T07:07:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54262-q1",
        "pages": 51,
        "sha256": "b8063859464ccfa2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "centre_offset_mm": 0,
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        "checked": "2026-10-11",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-20-EP",
      "Category": "Power Supply Chip",
      "Pins": "21"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b8063859464ccfa2",
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          "name": "Input voltage, EN",
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        {
          "name": "Input voltage, BOOT",
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        {
          "name": "DC voltage (pin label unclear in text, see review)",
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          "name": "PH DC voltage",
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          "unit": "V",
          "min": -0.85,
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          "conditions": "TJ = -40°C",
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        {
          "name": "PH DC voltage",
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          "conditions": "TJ = 125°C",
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        {
          "name": "Output voltage, 30-ns transient pulse",
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        {
          "name": "Input voltage, RT",
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          "name": "Input voltage, RST",
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        {
          "name": "Input voltage, SS",
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          "name": "Input voltage, COMP",
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        {
          "name": "Operating virtual junction temperature",
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          "unit": "°C",
          "min": -40,
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
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          "unit": "°C",
          "min": -55,
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        },
        {
          "name": "Unregulated buck supply input voltage (VIN, EN)",
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        {
          "name": "Regulated output VReg",
          "symbol": "VReg",
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          "min": 0.9,
          "typ": null,
          "max": 18,
          "conditions": "In continuous conduction mode (CCM)",
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        {
          "name": "Regulated output VReg",
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          "typ": null,
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          "conditions": "Power up in low-power mode (LPM) or discontinuous conduction mode (DCM)",
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        },
        {
          "name": "Bootstrap capacitor (BOOT)",
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        {
          "name": "Switched outputs (PH)",
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          "conditions": "",
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        },
        {
          "name": "Logic levels (RST, VSENSE, OV_TH, RST_TH, Rslew, SYNC, RT)",
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          "min": 0,
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        {
          "name": "Logic levels (SS, Cdly, COMP)",
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        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
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        },
        {
          "name": "VIN supply, normal mode after initial start-up",
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          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": null,
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        {
          "name": "High voltage threshold (VIN)",
          "symbol": "",
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          "unit": "V",
          "min": 29,
          "typ": 31,
          "max": 34,
          "conditions": "LPM disabled",
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        },
        {
          "name": "Quiescent current, normal mode",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "Open loop test – maximum duty cycle, VIN = 7 V to 48 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, low-power mode",
          "symbol": "Iq-LPM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 50,
          "max": 70,
          "conditions": "Load < 1 mA, VIN = 12 V, TA = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, low-power mode",
          "symbol": "Iq-LPM",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "Load < 1 mA, VIN = 12 V, –40 < TJ < 150°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": 4,
          "conditions": "EN = 0 V, device is off, TA = 25°C, VIN = 12 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Regulator output",
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          "typ": null,
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          "conditions": "VSENSE = 0.8 Vref",
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          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 0.788,
          "typ": 0.8,
          "max": 0.812,
          "conditions": "VReg = 0.9 V to 18 V (open loop)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Switch current limit, cycle by cycle",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
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          "typ": 3.2,
          "max": 4.1,
          "conditions": "VIN = 12 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Duty cycle pulse width (minimum on-time)",
          "symbol": "tON-Min",
          "kind": "electrical",
          "unit": "ns",
          "min": 50,
          "typ": 100,
          "max": 150,
          "conditions": "Bench CHAR only",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum off-time",
          "symbol": "tOFF-Min",
          "kind": "electrical",
          "unit": "ns",
          "min": 100,
          "typ": 200,
          "max": 250,
          "conditions": "Bench CHAR only",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fsw",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.2,
          "typ": null,
          "max": 2.2,
          "conditions": "Set using external resistor on RT pin",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Internal oscillator frequency tolerance",
          "symbol": "fsw",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Internal reference voltage tolerance",
          "symbol": "tolVref",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Soft-start source current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "µA",
          "min": 40,
          "typ": 50,
          "max": 60,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Leakage current into EN terminal",
          "symbol": "Ilkg",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": 135,
          "conditions": "EN = 60 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "External capacitor charge current (Cdly)",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "µA",
          "min": 1.4,
          "typ": 2,
          "max": 2.6,
          "conditions": "EN = high",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Leakage current into LPM terminal",
          "symbol": "Ilkg",
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