TPS7A2045PDBVR

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  "type": "component",
  "slug": "tps7a2045pdbvr",
  "title": "TPS7A2045PDBVR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "TPS7A2045PDBVR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2303010107_Texas-Instruments-TPS7A2045PDBVR_C2873627.pdf",
    "parts": {
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      "lbr": "tps7a2045pdbvr.lbr"
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    "distributor_links": {
      "lcsc": "C2873627"
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    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply, 1.6 V to 6.0 V. Place input capacitor (typ 1 μF) as close to IN and GND as possible to minimize input impedance."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for the device."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input. VEN > VEN(HI) (0.9 V typ) turns the regulator on; VEN < VEN(LOW) (0.3 V max) disables the regulator and discharges VOUT to GND. Internal 500 kΩ pulldown holds the regulator off by default; the pulldown is disconnected when EN is high to reduce input current."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal electrical connection."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage (4.5 V nominal for TPS7A2045). Requires a low-ESR output capacitor (typ 1 μF, 0.47 μF min to 200 μF max, ESR ≤ 100 mΩ) to GND for stability. Internal 150 Ω (typ) pulldown discharges VOUT when the regulator is in shutdown."
      }
    ],
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
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    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
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        "extents_mm": [
          2.8,
          2.9,
          1.55
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0c6942715f398ba4",
      "rows": [
        {
          "name": "Input supply voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable input voltage",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Nominal output voltage range (family range, all 0.8 V to 5.5 V variants)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Input supply voltage (absolute max)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
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        },
        {
          "name": "Output voltage (absolute max)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "Printed max is 6.5 or VIN + 0.3 (lesser of the two applies)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable input voltage (absolute max)",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Operating junction temperature (absolute max)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Junction-to-ambient thermal resistance (DBV SOT-23)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 187.1,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (DBV SOT-23)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 85.5,
          "max": null,
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        },
        {
          "name": "Junction-to-board thermal resistance (DBV SOT-23)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 54.4,
          "max": null,
          "conditions": "",
          "source_page": 6,
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        },
        {
          "name": "Junction-to-top characterization parameter (DBV SOT-23)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 27.1,
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        {
          "name": "Junction-to-board characterization parameter (DBV SOT-23)",
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          "source_page": 6,
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        },
        {
          "name": "Output voltage tolerance (DBV, VOUT ≥ 2.8 V)",
          "symbol": "ΔVOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "VIN = (VOUT(NOM) + 0.3 V) to 6.0 V, IOUT = 1 mA to 300 mA, VOUT ≥ 2.8 V (DBV package)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6.5,
          "max": 8.5,
          "conditions": "VEN = VIN = 6 V, IOUT = 0 mA, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VEN = VIN = 6 V, IOUT = 0 mA, TJ = –40°C to 85°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Quiescent ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VEN = VIN = 6 V, IOUT = 0 mA, TJ = –40°C to 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown ground current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.07,
          "max": 0.2,
          "conditions": "VEN = 0 V (disabled), VIN = 6.0 V, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ground current in dropout",
          "symbol": "IGND(DO)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6.5,
          "max": 15,
          "conditions": "VIN ≤ VOUT(NOM), IOUT = 0 mA, VEN = VIN",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage (2.5 V ≤ VOUT < 5.5 V, DBV)",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 145,
          "conditions": "IOUT = 300 mA, VOUT = 95% x VOUT(NOM), 2.5 V ≤ VOUT < 5.5 V (DBV)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO threshold, VIN rising (DBV and DQN)",
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          "kind": "electrical",
          "unit": "V",
          "min": 1.17,
          "typ": 1.35,
          "max": 1.59,
          "conditions": "VIN rising (DBV and DQN packages)",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "UVLO threshold, VIN falling (DBV and DQN)",
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          "kind": "electrical",
          "unit": "V",
          "min": 1.11,
          "typ": 1.3,
          "max": 1.55,
          "conditions": "VIN falling (DBV and DQN packages)",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Thermal shutdown, TJ rising (typical per text)",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "TJ rising",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown reset, TJ falling (typical per text)",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "TJ falling",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
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      "mpn": "TPS7A2045PDBVR",
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    {
      "mpn": "TPS7A2045PDBVRDBVT",
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  "updated_at": "2026-09-25T12:43:53.403Z"
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