main
Ray Set visibility: public fa1bfef 3h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tmf0321",
  "title": "TMF0321",
  "brief": "TM Shenzhen Titan Micro Elec AC-DC Controllers And Regulators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "tmf0321",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMF0321",
    "manufacturer": "TM Shenzhen Titan Micro Elec",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590442791525650432",
    "parts": {
      "symbol": "tmf0321.kicad_sym",
      "footprint": "tmf0321.kicad_mod",
      "model_3d": "tmf0321-hero.glb",
      "model_3d_plain": "tmf0321-etched.glb",
      "model_3d_step": "tmf0321-etched.step",
      "model_3d_step_plain": "tmf0321.step",
      "lbr": "tmf0321.lbr"
    },
    "distributor_links": {
      "lcsc": "C5174607"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:37:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD-G",
        "type": "power_in",
        "description": "Internal driver supply input, connected to VDD through a resistor (page 2 pin table; no voltage limit is given for this pin)."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input; recommended operating range is 10 to 23 V with an absolute maximum of 30 V, the IC starts above 15.5 V and VDD must not fall below 9.5 V during start-up, and overvoltage protection trips above 24 V."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input connected to an external optocoupler; recommended range is 0 to 5 V with an absolute range of -0.3 to 6.0 V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input connected to the power MOSFET source through an external sense resistor; input range is -0.3 to 5.0 V and the peak current limit threshold is 1.0 to 1.1 V."
      },
      {
        "number": "5",
        "name": "DRAIN",
        "type": "passive",
        "description": "Power MOSFET drain; the internal MOSFET has a drain-source breakdown voltage of 650 V minimum."
      },
      {
        "number": "6",
        "name": "DRAIN",
        "type": "passive",
        "description": "Power MOSFET drain (same node as pin 5); the internal MOSFET has a drain-source breakdown voltage of 650 V minimum."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the IC and system reference."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the IC and system reference."
      }
    ],
    "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 has one pin table for both DIP8 and SOP8 packages (\"采用 DIP8,SOP8 封装\"), so the pinout i; In the page 2 power table, the TMF0321 model name sits on its own line between the unlabeled SOP8 ro; Pins 5 and 6 are listed together as \"5、6 DRAIN\" and pins 7 and 8 as \"7、8 GND\" in the source; they ar"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0469,
        "at": "2026-10-18T14:34:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590442791525650432",
        "pages": 11,
        "sha256": "dc61c811b036bbf2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tmf0321.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmf0321-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          9.27,
          6.98
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "021dfb46bdc04f3b6e5a8ef6e8c43b89f3329eb5eb4ce7f2211c3f1c20cdae8b",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TM Shenzhen Titan Micro Elec",
      "Package": "DIP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dc61c811b036bbf28b5184d780592bfda04c3e1968172505f9273baf9299a298",
      "rows": [
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          "name": "启动电压 (VDD turn-on)",
          "symbol": "VDD-ON",
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          "unit": "V",
          "min": 14.5,
          "typ": 15.5,
          "max": 16.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "关闭电压 (VDD turn-off)",
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          "unit": "V",
          "min": 8.5,
          "typ": 9.5,
          "max": 10.5,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "启动电流",
          "symbol": "IDD-ST",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 5,
          "max": 20,
          "conditions": "VDD=VDD-ON–0.5V",
          "source_page": 4,
          "source": "datasheet"
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          "name": "正常工作电流",
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          "unit": "mA",
          "min": 2.5,
          "typ": null,
          "max": 4,
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          "source": "datasheet"
        },
        {
          "name": "VDD 过压保护",
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          "name": "FB 开路电压",
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          "max": 5.2,
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          "source": "datasheet"
        },
        {
          "name": "电流限流值(峰值)",
          "symbol": "VCSTH-H",
          "kind": "electrical",
          "unit": "V",
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          "name": "电流限制值(谷值)",
          "symbol": "VCSTH-L",
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          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "振荡频率",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "KHz",
          "min": 63,
          "typ": 67,
          "max": 71,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "抖频范围",
          "symbol": "f△SHUFFLING",
          "kind": "electrical",
          "unit": "%",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "频偏 VS VDD电压",
          "symbol": "fDV",
          "kind": "electrical",
          "unit": "%",
          "min": 0.2,
          "typ": null,
          "max": 1,
          "conditions": "VDD=10V to 23V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "最大占空比",
          "symbol": "DMAX",
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          "min": 75,
          "typ": 80,
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          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "漏源击穿电压",
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          "kind": "electrical",
          "unit": "V",
          "min": 650,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V, ID=250uA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "漏源漏电流",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VGS=0V, VDS=650V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "导通电阻 (TMF0321)",
          "symbol": "RDS-ON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 12,
          "max": 15,
          "conditions": "ID=0.35A,VGS=10V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD 供电电压 推荐值",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 10,
          "typ": null,
          "max": 23,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD 供电电压 极限值",
          "symbol": "VDD",
          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "FB 引脚输入电压 推荐值",
          "symbol": "VFB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB 引脚输入电压 极限值",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CS 引脚输入电压",
          "symbol": "VCS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作结点温度",
          "symbol": "TJ",
          "kind": "thermal",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "存储温度范围",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作环境温度",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "焊接温度",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 秒",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD 人体模式",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human body model, JESD22-A114",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD 机器模式",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Machine model, JESD22-A115",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "热阻(结点到外壳)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 82.5,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "前沿尖峰消隐时间",
          "symbol": "TLEB",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 350,
          "max": null,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "过流保护延时时间",
          "symbol": "TPD",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "过载延时时间",
          "symbol": "TPD",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "过温保护温度",
          "symbol": "TOTP",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "过温保护回滞温度",
          "symbol": "TOTP_SH",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
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          "max": null,
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          "source": "datasheet"
        },
        {
          "name": "软启动时间",
          "symbol": "T_SS",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 2.5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "进入跳周期模式 FB 电压",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
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          "name": "FB 过载电压阀值",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 10.6,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PWM 比较器增益",
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          "kind": "electrical",
          "unit": "V/V",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB 引脚输入阻抗",
          "symbol": "ZFB",
          "kind": "electrical",
          "unit": "KΩ",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CS 引脚输入阻抗",
          "symbol": "ZCS",
          "kind": "electrical",
          "unit": "KΩ",
          "min": null,
          "typ": 5,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "跳周期振荡频率",
          "symbol": "fOSC-BM",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tmf0321"
  ],
  "discovery_pitch": "TMF0321 (TM Shenzhen Titan Micro Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "tmf0321.kicad_mod",
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    "tmf0321.lbr",
    "docs/hero.png",
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    "viewers/symbol.html",
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    "tmf0321-hero.glb",
    "tmf0321-hero.overlay.json",
    "tmf0321-etched.glb"
  ],
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  }
}