main
Ray lm63625dqpwprq1: specified limits as data (metadata.characteristics, 52 rows from the datasheet) c6babfa 25d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm63625dqpwprq1",
  "title": "LM63625DQPWPRQ1",
  "brief": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. 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)",
    "lm63625dqpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM63625DQPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm63625-q1",
    "parts": {
      "symbol": "lm63625dqpwprq1.kicad_sym",
      "footprint": "lm63625dqpwprq1.kicad_mod",
      "model_3d": "lm63625dqpwprq1-etched.glb",
      "model_3d_plain": "lm63625dqpwprq1.glb",
      "model_3d_step": "lm63625dqpwprq1-etched.step",
      "model_3d_step_plain": "lm63625dqpwprq1.step",
      "lbr": "lm63625dqpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C1849527"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switching node; connect to power inductor; supports voltage swing -6V to +40V transient with rise/fall times <10ns."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switching node duplicate connection; connect to power inductor; voltage range -6V to +40V transient."
      },
      {
        "number": "3",
        "name": "CBOOT",
        "type": "power_in",
        "description": "Bootstrap supply voltage for internal high-side MOSFET gate driver; connect 220nF quality ceramic capacitor between CBOOT and SW pin; UVLO threshold 2.13V."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 5V LDO regulated output for control circuit supply; connect 1µF quality capacitor to PGND; output voltage 4.75V to 5.25V nominal; do not connect external loads."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "input",
        "description": "Frequency programming input; connect to VCC for 400kHz, connect to AGND for 2.1MHz, or connect to external resistor for adjustable 250kHz to 2200kHz switching frequency; cannot be left floating."
      },
      {
        "number": "6",
        "name": "VSEL",
        "type": "input",
        "description": "Output voltage selection input; connect to VCC for 5V fixed output, connect to AGND for 3.3V fixed output, or connect 10kΩ resistor to AGND for adjustable output 1V to 20V; cannot be left floating."
      },
      {
        "number": "7",
        "name": "SYNC/MODE",
        "type": "input",
        "description": "Mode selection and external synchronization clock input; connect to VCC for forced PWM mode, connect to AGND for automatic PFM/PWM mode, or apply external clock 250kHz to 2200kHz for synchronized operation; includes 100kΩ internal pull-down."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain power good flag output; pulled low when output voltage exceeds ±12% deviation, during soft-start, upon internal fault, or when EN input is low; connect through 10kΩ to 100kΩ current-limiting resistor to logic supply."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to output voltage regulation loop; regulated to 1.0V internal reference in adjustable mode, 5.0V in 5V fixed mode, or 3.3V in 3.3V fixed mode; input bias current 0.1µA to 3.4µA depending on mode."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for control circuits; provides common reference point for all internal biasing, feedback measurement, and electrical parameter specifications; connect to PCB system ground."
      },
      {
        "number": "11",
        "name": "EN",
        "type": "input",
        "description": "Precision enable input to regulator; voltage ≥1.425V enables soft-start and regulation, voltage ≤0.94V disables converter; cannot be left floating; can be directly connected to VIN or through external divider for custom UVLO threshold."
      },
      {
        "number": "12",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power supply rail; accepts 3.5V to 36V input voltage; bypass with 4.7µF quality ceramic capacitor and 220nF capacitor placed within 1mm of VIN and PGND pins; quiescent input current 23µA typical."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power supply rail duplicate connection; bypass with quality ceramic capacitor; same voltage range 3.5V to 36V and bypass requirements as pin 12."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; no internal circuit connection to this pin; leave unconnected; do not apply external voltage."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground terminal; source connection for low-side MOSFET switch; connect to system ground and input/output capacitor grounds using short wide traces to minimize loop inductance."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground terminal duplicate connection; parallel ground connection for low-impedance distribution of switching stage currents to ground plane."
      },
      {
        "number": "17",
        "name": "DAP",
        "type": "power_in",
        "description": "Exposed thermal pad for heatsink and electrical ground connection; provides primary thermal dissipation path and electrical ground; solder directly to PCB ground layer using thermal via matrix for optimal thermal performance."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/17 pins cited to the wrong page (name found elsewhere): ['17:DAP@p4']"
        ],
        "pages_sent": 58,
        "cost_usd": 0.5901,
        "at": "2026-09-23T11:54:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm63625-q1",
        "pages": 58,
        "sha256": "3be5c04a49a998ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm63625dqpwprq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm63625dqpwprq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4eeeebfc8c9b3b0150315aba4166589db9eade84b704eca6be4c2161d02b1210",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-16-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3be5c04a49a998ff",
      "rows": [
        {
          "name": "输入电压 VIN 至 PGND",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN 至 AGND",
          "symbol": "EN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SYNC/MODE、VSEL 和 RT 至 AGND",
          "symbol": "SYNC/MODE, VSEL, RT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "RESET 至 AGND",
          "symbol": "RESET",
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          "typ": null,
          "max": 5,
          "conditions": "",
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        },
        {
          "name": "输出电压",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 20,
          "conditions": "",
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        {
          "name": "VCC 外部供电",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "输出电流 LM63625",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0,
          "typ": null,
          "max": 2.5,
          "conditions": "LM63625",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VIN 至 PGND (HTSSOP 封装)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "EN 至 AGND (HTSSOP 封装)",
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          "min": -0.3,
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          "source": "datasheet"
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        {
          "name": "SYNC/MODE 到 AGND",
          "symbol": "SYNC/MODE",
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          "min": -0.3,
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          "source": "datasheet"
        },
        {
          "name": "VSEL 和 RT 至 AGND",
          "symbol": "VSEL, RT",
          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
          "max": 5.5,
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          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RESET 至 AGND",
          "symbol": "RESET",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FB 至 AGND (固定 VOUT 模式)",
          "symbol": "FB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 16,
          "conditions": "固定 VOUT 模式",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FB 至 AGND (可调 VOUT 模式)",
          "symbol": "FB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "可调 VOUT 模式",
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        },
        {
          "name": "AGND 到 PGND",
          "symbol": "AGND",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
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        {
          "name": "SW 至 PGND,瞬变时间不到 10ns (HTSSOP 封装)",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": 40,
          "conditions": "瞬变时间不到 10ns",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "BOOT 至 SW",
          "symbol": "BOOT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
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          "source": "datasheet"
        },
        {
          "name": "VCC 到 AGND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "结温 TJ",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "贮存温度 Tstg",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "结至环境热阻 (HTSSOP 16 引脚)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43.1,
          "max": null,
          "conditions": "JESD 51-7, 4 层 JEDEC 板",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "结至外壳(顶部)热阻 (HTSSOP 16 引脚)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 35.4,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "结至电路板热阻 (HTSSOP 16 引脚)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 18.5,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "结至顶部特征参数 (HTSSOP 16 引脚)",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.9,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "结至电路板特征参数 (HTSSOP 16 引脚)",
          "symbol": "ΨJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 18.5,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "结至外壳(底部)热阻 (HTSSOP 16 引脚)",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "短路高侧电流限值 (2.5A 版本)",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": 3.18,
          "typ": 3.75,
          "max": 4.41,
          "conditions": "2.5A 版本",
          "source_page": 8,
          "source": "datasheet"
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          "name": "低侧电流限值 (2.5A 版本)",
          "symbol": "ILS-LIMIT",
          "kind": "electrical",
          "unit": "A",
          "min": 2.55,
          "typ": 3,
          "max": 3.53,
          "conditions": "2.5A 版本",
          "source_page": 8,
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        {
          "name": "最小峰值电感器电流 (2.5A 版本)",
          "symbol": "IPEAK-MIN",
          "kind": "electrical",
          "unit": "A",
          "min": 0.373,
          "typ": 0.65,
          "max": 1,
          "conditions": "2.5A 版本",
          "source_page": 8,
          "source": "datasheet"
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        {
          "name": "负电流限值 (LM63625, 2.5A 版本)",
          "symbol": "IL-NEG",
          "kind": "electrical",
          "unit": "A",
          "min": -1.49,
          "typ": -1.2,
          "max": -0.75,
          "conditions": "2.5A 版本",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "FB 引脚上的断续阈值",
          "symbol": "VHICCUP",
          "kind": "electrical",
          "unit": "%",
          "min": 37,
          "typ": 42,
          "max": 47,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "RESET 阈值上限 - 上升 FB 电压",
          "symbol": "V RESET-HIGH",
          "kind": "electrical",
          "unit": "%",
          "min": 110,
          "typ": 112,
          "max": 115,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "RESET 阈值下限 - 下降 FB 电压",
          "symbol": "V RESET-LOW",
          "kind": "electrical",
          "unit": "%",
          "min": 91,
          "typ": 93,
          "max": 95,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "RESET 迟滞 FB 电压",
          "symbol": "V RESET-HYS",
          "kind": "electrical",
          "unit": "%",
          "min": 1.1,
          "typ": 1.8,
          "max": 2.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "正常 PG 功能的最小输入电压",
          "symbol": "V RESET-VALID",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
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