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Ray Set visibility: public 4a2fd2b 16d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tps7b4253qpwprq1",
  "title": "TPS7B4253QPWPRQ1",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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 management (pmic)",
    "tps7b4253qpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS7B4253QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps7b4253-q1",
    "parts": {
      "symbol": "tps7b4253qpwprq1.kicad_sym",
      "footprint": "tps7b4253qpwprq1.kicad_mod",
      "model_3d": "tps7b4253qpwprq1-hero.glb",
      "model_3d_plain": "tps7b4253qpwprq1-etched.glb",
      "model_3d_step": "tps7b4253qpwprq1-etched.step",
      "model_3d_step_plain": "tps7b4253qpwprq1.step",
      "lbr": "tps7b4253qpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2879376",
      "digikey": "296-42634-2-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T10:45:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-42634-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Regulated output that needs a capacitor of 10 µF to 500 µF with ESR of 0.001 Ω to 20 Ω when FB is tied to OUT, placed close to the device pins and referenced to GND."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "10",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that can be connected to an external resistor divider to select the output voltage; the datasheet recommends R1 and R2 between 10 kΩ and 100 kΩ."
      },
      {
        "number": "11",
        "name": "ADJ",
        "type": "input",
        "description": "Connects the reference voltage (1.5 V to 18 V for HTSSOP); the reference can be applied directly or through a divider for a lower output voltage, and a capacitor should be placed near the pin to compensate line effects."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "19",
        "name": "EN",
        "type": "input",
        "description": "Enable pin; when it is below the threshold the device enters standby, with a rising threshold of 2 V (max) and a falling threshold of 0.7 V (min), and the pin is rated 0 V to 40 V."
      },
      {
        "number": "20",
        "name": "IN",
        "type": "input",
        "description": "Device power input with a recommended operating range of 4 V to 40 V (absolute maximum -40 V to 45 V); place a capacitor close to the device pins to compensate line effects."
      },
      {
        "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: The exposed thermal pad of the HTSSOP-20 package is not a numbered pin, so it is not included in the; The pin-function table lists the ADJ pin with low/high enable wording ('low disables the device, hig; The datasheet pin figure and table give pin types as O/I/G/NC. The OUT pin is typed 'output' per the",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 25,
        "cost_usd": 0.107,
        "at": "2026-10-19T10:45:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps7b4253-q1",
        "pages": 41,
        "sha256": "a41e03c9d45f34b8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "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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        "file": "tps7b4253qpwprq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d9af73631f56f6e9a71dd322d0f8a3aee5e57e0b564ffb418dbbcf2f086bddfa",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps7b4253qpwprq1-etched.step",
        "role": "eda",
        "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": "1c5eb0213735cc2c3319e18418c89c08cbfd25e9942bc7c49f4e4f49f0defd57",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-20-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a41e03c9d45f34b868147a51005439da6ee12ec471b9cf374b25c162cf5b89b6",
      "rows": [
        {
          "name": "Input voltage, non-regulated (IN)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
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          "max": 45,
          "conditions": "",
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        },
        {
          "name": "Enable input voltage (EN)",
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          "name": "Regulated output voltage (OUT)",
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          "name": "Input-to-output voltage difference",
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        {
          "name": "Reference voltage (ADJ)",
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          "min": -0.3,
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        {
          "name": "Tracker feedback input voltage (FB)",
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        {
          "name": "Reference voltage minus input voltage",
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          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "HBM ESD, NC pins",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "NC pins, AEC Q100-002",
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          "source": "datasheet"
        },
        {
          "name": "HBM ESD, all pins except NC",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
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          "min": -4000,
          "typ": null,
          "max": 4000,
          "conditions": "All pins except NC, AEC Q100-002",
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          "source": "datasheet"
        },
        {
          "name": "CDM ESD",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -1000,
          "typ": null,
          "max": 1000,
          "conditions": "AEC Q100-011",
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        {
          "name": "Non-regulated input voltage (IN)",
          "symbol": "VIN",
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        },
        {
          "name": "Enable input voltage",
          "symbol": "VEN",
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          "min": 0,
          "typ": null,
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          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Adjust input voltage (HTSSOP)",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.5,
          "typ": null,
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          "conditions": "HTSSOP package",
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        {
          "name": "Tracker feedback input voltage (HTSSOP)",
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          "conditions": "HTSSOP package",
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        },
        {
          "name": "Output voltage (HTSSOP)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
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          "min": 1.5,
          "typ": null,
          "max": 40,
          "conditions": "HTSSOP package",
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        },
        {
          "name": "Output capacitor requirement",
          "symbol": "C(OUT)",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 10,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output ESR requirement",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "Ω",
          "min": 0.001,
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          "max": 20,
          "conditions": "f = 10kHz",
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          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
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          "kind": "recommended_operating",
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          "min": -40,
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          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Junction-to-ambient thermal resistance (PWP, 20 pin)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45.9,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (PWP, 20 pin)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 29.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (PWP, 20 pin)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 24.7,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (PWP, 20 pin)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (PWP, 20 pin)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 24.5,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance (PWP, 20 pin)",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 3.7,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage tracking accuracy",
          "symbol": "ΔVO",
          "kind": "tolerance",
          "unit": "mV",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "IOUT = 100µA to 300mA, VIN = 4 to 40V, VADJ < VIN − 1V, 1.5V < VADJ < 18V (HTSSOP)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "V(DROPOUT)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 320,
          "max": 520,
          "conditions": "IOUT = 200mA, VIN = VADJ ≥ 4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "IO(lim)",
          "kind": "electrical",
          "unit": "mA",
          "min": 301,
          "typ": 450,
          "max": 520,
          "conditions": "VADJ = 5V, OUT short to GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reverse current, IN",
          "symbol": "IR(IN)",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 0,
          "conditions": "VIN = 0V, VOUT = 40V, VADJ = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reverse current, IN negative",
          "symbol": "IR(-IN)",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 0,
          "conditions": "VIN = -40V, VOUT = 0V, VADJ = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": 4,
          "conditions": "4V ≤ VIN ≤ 40V, VADJ = 0V; VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 7,
          "max": 18,
          "conditions": "4V ≤ VIN ≤ 40V, VEN ≥ 2V, VADJ < 0.8V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 60,
          "max": 100,
          "conditions": "4V ≤ VIN ≤ 40V, IOUT < 100µA, VADJ = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 350,
          "max": 400,
          "conditions": "4V ≤ VIN ≤ 40V, IOUT < 300mA, VADJ = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current in dropout region",
          "symbol": "IQ(DROPOUT)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 70,
          "max": 140,
          "conditions": "VIN = VADJ = 5V, IOUT = 100µA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Adjust low-level signal threshold (HTSSOP)",
          "symbol": "V(ADJ_LOW)",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.8,
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