TD8210

{
  "schema_version": 1,
  "type": "component",
  "slug": "td8210",
  "title": "TD8210",
  "brief": "Techcode Semicon DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
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  "component": {
    "mpn": "TD8210",
    "manufacturer": "Techcode Semicon",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588942768454844416",
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      "lbr": "td8210.lbr"
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    "distributor_links": {
      "lcsc": "C232924"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:02:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "Switch pin that connects to the inductor and the external Schottky diode; the internal N-channel MOSFET drain is at this node with 0.2Ω typical on-resistance."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the device, to be connected with a star ground or ground plane to minimize ground shifts and noise."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that regulates the output to 1.23V through an external resistor divider from the output; the feedback network should be routed away from the inductor and shielded because it is a high-impedance node."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable control input: forcing it above 1.0V enables the device, forcing it below 0.4V shuts it down (supply current below 1µA), and it must not be left floating."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Main supply pin for the 2.7V to 6V input range, which must be closely decoupled to GND with a 2.2µF or greater ceramic capacitor."
      }
    ],
    "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 datasheet pin table prints pin 2 as 'GDN'. It is treated here as GND (the function block is grou; The pin description prints the decoupling capacitor as '2.2F'. The micro symbol appears lost in extr; The datasheet gives the SOT23-5 pinout only (Figure 2 and the Pin Description table, page 2). Orderi"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0418,
        "at": "2026-10-19T03:00:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588942768454844416",
        "pages": 16,
        "sha256": "453f5e4a6e9e2472",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "d3ccdb1c6466adb3dfb695845a4864728a63764030b806f9050dc61f44ab0df1",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Techcode Semicon",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "453f5e4a6e9e2472ef452aec5ada397cf7e39b9c9af3dc5199780f794e78beaa",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 6,
          "conditions": "TA=-40~85oC TJ=-40~120 oC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input DC Bias Current (switching)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "VFB=1.1V, switching",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "EN=GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 2.2,
          "max": 2.4,
          "conditions": "VIN Rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "UVLO Hysteresis Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 100,
          "max": 150,
          "conditions": "VIN Falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Regulated Feedback Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.212,
          "typ": 1.23,
          "max": 1.248,
          "conditions": "VIN=2.7V~6V, TA = 25 oC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Regulated Feedback Voltage (temperature range)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.205,
          "typ": null,
          "max": 1.255,
          "conditions": "VIN=2.7V~6V, TA = -40 ~ 85 oC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB Input Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.25,
          "typ": 1.5,
          "max": 1.75,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Switch On Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Switch Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LX Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VEN = 0V, VLX = 0V or 6V, VIN = 6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LX Maximum Duty Cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": 92,
          "typ": 95,
          "max": 98,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Duration",
          "symbol": "TSS",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 2,
          "max": 3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Voltage Threshold",
          "symbol": "VTEN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": 0.7,
          "max": 1,
          "conditions": "VEN Rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Voltage Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Leakage Current",
          "symbol": "ILEN",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VEN=5V, VIN = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Over-Temperature Protection (rising)",
          "symbol": "TOTP",
          "kind": "electrical",
          "unit": "oC",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "TJ Rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Over-Temperature Protection (falling)",
          "symbol": "TOTP",
          "kind": "electrical",
          "unit": "oC",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "TJ Falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "Junction-to-Ambient Resistance in Free Air",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Case Thermal Resistance",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "Junction-to-Case Resistance",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "TD8210 (Techcode Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}