TPS7A6333QPWPRQ1

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  "slug": "tps7a6333qpwprq1",
  "title": "TPS7A6333QPWPRQ1",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, HTSSOP-14-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "TPS7A6333QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-14-EP",
    "pin_count": 15,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps7a63-q1",
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    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply, 7 V to 40 V (transients to 45 V, absolute max 45 V). Bypass to GND with a ceramic capacitor to damp line transients."
      },
      {
        "number": "2",
        "name": "nRST",
        "type": "output",
        "description": "Active-low open-drain power-on reset output. Requires an external pull-up resistor to VOUT. Asserted low during startup delay and when VOUT is out of regulation."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the TPS7A6333-Q1 fixed-output variant. (This pin is FB on the adjustable TPS7A6x01-Q1 variants.) Leave floating or tie to GND."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device signal ground reference. Connect to the system ground plane together with the exposed PowerPAD."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, high-voltage tolerant (0 V to 40 V) input with internal pull-down. Drive high (VEN >= 4 V) to enable the regulator; tie to VIN for always-on self-bias. Sleep current <2 µA when EN is low."
      },
      {
        "number": "6",
        "name": "RDELAY",
        "type": "output",
        "description": "Reset delay timer pin. Programs the power-on reset delay via an external capacitor (CDLY) from this pin to GND; leave open for the fixed ~250 µs default delay. 0 V to 5.25 V operating range."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3 V output, 300 mA max. Requires a low-ESR ceramic output capacitor from this pin to GND for stability. Includes short-circuit and over-current protection."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND."
      },
      {
        "number": "9",
        "name": "WD_FLT",
        "type": "output",
        "description": "Active-low watchdog fault output (open-drain style), requires an external pull-up to VOUT. Asserted when the watchdog window is missed or violated. 0 V to 5.25 V operating range."
      },
      {
        "number": "10",
        "name": "WD",
        "type": "input",
        "description": "Watchdog service (kick) input. External MCU pulses this pin within the watchdog window to prevent a fault assertion. 0 V to 5.25 V operating range."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND."
      },
      {
        "number": "12",
        "name": "nWD_EN",
        "type": "input",
        "description": "Active-low watchdog enable input with internal pull-down. Leave floating (or drive low) to keep the watchdog enabled; drive high to disable or reinitialize the watchdog. 0 V to 5.25 V operating range."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND."
      },
      {
        "number": "14",
        "name": "ROSC",
        "type": "output",
        "description": "Oscillator programming pin. Sets the internal oscillator frequency (and the watchdog window duration) via an external resistor from this pin to GND. Constant-voltage reference (max 7 V)."
      },
      {
        "number": "15",
        "name": "PAD",
        "type": "passive",
        "description": "Exposed thermal PowerPAD on the underside of the HTSSOP-14 package. Must be soldered to a ground copper pour for thermal dissipation and connected electrically to GND."
      }
    ],
    "provenance": {
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps7a63-q1",
        "pages": null,
        "sha256": "fded27fe6d72aad1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
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        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-14-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "15"
    }
  },
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      "mpn": "TPS7A6333QPWPRQ1",
      "kind": "packaging"
    },
    {
      "mpn": "TPS7A6333QPWPRQ1DRKR",
      "kind": "packaging"
    },
    {
      "mpn": "TPS7A6333QPWPRQ1DRKT",
      "kind": "packaging"
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  "discovery_pitch": "TPS7A6333QPWPRQ1 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-25T12:46:37.736Z"
}