TJ4320GDP-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "tj4320gdp-adj",
  "title": "TJ4320GDP-ADJ",
  "brief": "HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tj4320gdp-adj"
  ],
  "component": {
    "mpn": "TJ4320GDP-ADJ",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/52d142c827ff4108a75b9f63245d189d.pdf",
    "parts": {
      "symbol": "tj4320gdp-adj.kicad_sym",
      "footprint": "tj4320gdp-adj.kicad_mod",
      "model_3d": "tj4320gdp-adj-etched.glb",
      "model_3d_plain": "tj4320gdp-adj.glb",
      "model_3d_step": "tj4320gdp-adj-etched.step",
      "model_3d_step_plain": "tj4320gdp-adj.step",
      "lbr": "tj4320gdp-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C126089"
    },
    "pins": [
      {
        "number": "1",
        "name": "POK",
        "type": "output",
        "description": "Power OK indication. Open-drain output that becomes high impedance once VOUT reaches 92% of its rated value (VPOKTH typ 92%, ~7% hysteresis). Requires an external pull-up resistor."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Chip enable. Pulling this pin below 0.4 V (VIL) turns the regulator off; VIH ≥ 2.0 V enables the device. Do not float. Enable input current ~0.1 µA (max 1 µA)."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin. Recommended operating range 2.5 V to 5.5 V (absolute max 6.5 V). Requires a low-ESR ceramic bypass capacitor (≥10 µF recommended) placed close to the pin."
      },
      {
        "number": "4",
        "name": "N.C",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a convenient net; not electrically bonded to the die."
      },
      {
        "number": "5",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start. Connect an external capacitor (CSS) between this pin and ground to set the soft-start time (e.g. 220 pF ≈ 0.23 ms, 10 nF ≈ 10.4 ms). Internal ~130 nA current source charges CSS against a ~450 kΩ / 0.6 V reference. Do not tie directly to ground."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage, up to 2 A continuous. Requires a low-ESR ceramic output capacitor (≥10 µF recommended). An auto-discharge path (~330 Ω) pulls VOUT down when EN goes low."
      },
      {
        "number": "7",
        "name": "ADJ",
        "type": "input",
        "description": "Output adjust / feedback input for the adjustable version. Regulates to VADJ ≈ 0.6 V (min 0.582 V, max 0.618 V over temperature). Set VOUT with an external resistor divider using R2 = R1 × (VOUT/0.6 − 1); recommended R1 in the 1 kΩ to 100 kΩ range. A 2.2 nF to 1 µF feed-forward capacitor from VOUT to ADJ improves PSRR."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground / return. Ground pin quiescent current ~0.2 mA at 200 mA load and ~0.3 mA at 2 A load; standby current ~0.1 µA when disabled."
      },
      {
        "number": "9",
        "name": "PAD",
        "type": "power_in",
        "description": "Exposed thermal pad on the underside of the SOP8-PP package. Must be soldered to a ground copper plane for thermal dissipation and connected to GND electrically."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/52d142c827ff4108a75b9f63245d189d.pdf",
        "pages": 20,
        "sha256": "9daca42d90860e1b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.4975,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "Diodes_SO-8EP@sha256:e4747640ff122bb4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tj4320gdp-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.5,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "be241b6207302f40c4b7d76f18c3aa00cfdcc9936c5f943565a9113eef245f83",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tj4320gdp-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.5,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a151a0f817e45f176f19e65d985fc2b05fd0376926139a70fbaec19d93340d60",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "SOP-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tj4320gdp-adj"
  ],
  "discovery_pitch": "TJ4320GDP-ADJ (HTC Korea TAEJIN Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tj4320gdp-adj.kicad_sym",
    "tj4320gdp-adj.kicad_mod",
    "tj4320gdp-adj.glb",
    "tj4320gdp-adj.step",
    "tj4320gdp-adj-etched.step",
    "tj4320gdp-adj.lbr",
    "docs/hero.png",
    "docs/tj4320gdp-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "TJ4320GDP-ADJ",
      "kind": "packaging"
    },
    {
      "mpn": "TJ4320GDP-1.0",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GDP-1.2",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GDP-1.5",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GDP-1.8",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GDP-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GDP-3.3",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GD-ADJ",
      "kind": "different-part"
    },
    {
      "mpn": "TJ4320GD-1.0",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GD-1.2",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GD-1.5",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GD-1.8",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GD-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GD-3.3",
      "kind": "unknown"
    },
    {
      "mpn": "TJ4320GRS-ADJ-5L",
      "kind": "different-part"
    }
  ],
  "updated_at": "2026-09-25T09:41:19.010Z"
}