TPS78101DDCR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps78101ddcr",
  "title": "TPS78101DDCR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TSOT-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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    "pmic",
    "tps78101ddcr"
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  "component": {
    "mpn": "TPS78101DDCR",
    "manufacturer": "Texas Instruments",
    "package": "TSOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps78101ddcr.pdf",
    "parts": {
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      "lbr": "tps78101ddcr.lbr"
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    "distributor_links": {
      "lcsc": "C414620"
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin, 2.2V to 5.5V operating range (6.0V absolute max). Requires a small ceramic input capacitor (typ 1.0µF) to ground for stability; input and output capacitor grounds should be tied back to the IC ground with no significant impedance between them."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin. Ground pin current is typically 1.0µA at IOUT = 0mA and 8µA at IOUT = 150mA; drops to ~18nA in shutdown."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "CMOS-logic-compatible enable input. Driving EN above 1.2V (VHI) turns the regulator on; driving EN below 0.4V (VLO) puts the regulator into shutdown, reducing operating current to ~18nA typical. EN absolute max is VIN + 0.3V or 6.0V, whichever is less. EN pin current is typically 40nA at VEN = VSET = 5.5V."
      },
      {
        "number": "4",
        "name": "VSET/FB",
        "type": "input",
        "description": "Dual-function pin: on adjustable versions (TPS78101) this is the feedback (FB) input tied to the external resistor divider from OUT; internal reference VFB = 1.216V. On fixed-voltage/dual-level versions this is the VSET select pin - driving VSET below 0.4V selects VOUT(HIGH); driving VSET above 1.2V selects VOUT(LOW). VSET pin current is typically 70nA at VEN = VSET = 5.5V."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage pin, 150mA maximum. Requires a small (1µF typ) ceramic capacitor from OUT to GND for stability. Dropout voltage is 250mV max at 150mA; internal current limit is 150-400mA (typ 230mA) at 0.90 × VOUT(NOM). Adjustable range 1.22V (VFB) to 5.25V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps78101ddcr.pdf",
        "pages": 28,
        "sha256": "b3bc91f74778dc8b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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    "pin1": {
      "pad": "1",
      "at": [
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        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "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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        "sha256": "d6829062ed03385a91caf890f688f6f09328744aca8fc8b466ede908b6fb764a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
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    "breadcrumbs",
    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "TPS78101DDCR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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  "visibility": {
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  "variants": [
    {
      "mpn": "TPS78101DDCR",
      "kind": "packaging"
    },
    {
      "mpn": "TPS78101DDCRDDCT",
      "kind": "packaging"
    },
    {
      "mpn": "TPS78101DDCRDRVR",
      "kind": "packaging"
    },
    {
      "mpn": "TPS78101DDCRDRVT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T12:37:45.358Z"
}