GM2500ACPZ-R7

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  "slug": "gm2500acpz-r7",
  "title": "GM2500ACPZ-R7",
  "brief": "GONGMOSEMI DC-DC Converters, LQFN-12(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "GM2500ACPZ-R7",
    "manufacturer": "GONGMOSEMI",
    "package": "LQFN-12(2x2)",
    "pin_count": 13,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
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    "distributor_links": {
      "lcsc": "C42376408"
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    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin of the controller (模拟地)."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Precision enable pin: the device starts when the voltage rises above the 0.4 V enable threshold (50 mV hysteresis) and shuts down below it, and this pin must not be left floating."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin, which needs a low-ESR bypass capacitor placed as close as possible between this pin and PGND; the VIN operating range is 2.5 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin, to be soldered directly to the top-layer ground plane next to the VIN input capacitor."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the internal power switches and the inductor, which should be connected with short, wide traces; SW to PGND is rated −0.3 V to +6 V."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Second switch node pin, tied to pin 5 and to the inductor with short, wide traces; SW to PGND is rated −0.3 V to +6 V."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Second power ground pin, to be soldered directly to the top-layer ground plane next to the second VIN capacitor."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Second power input pin, which needs its own low-ESR bypass capacitor placed as close as possible to this pin and PGND."
      },
      {
        "number": "9",
        "name": "MODE/SYNC",
        "type": "input",
        "description": "Mode and clock-sync pin: grounded selects pulse-skip mode at light load, tied to VIN selects low-power mode, floating selects forced continuous mode, and an external square-wave clock synchronizes the switching frequency."
      },
      {
        "number": "10",
        "name": "RT",
        "type": "input",
        "description": "Frequency-setting pin: tying to VIN selects the internal default of 2 MHz, while a resistor to ground sets 1 MHz to 3 MHz (or 3 MHz to 9 MHz for the high-frequency option), and the pin is ignored during external clock synchronization."
      },
      {
        "number": "11",
        "name": "PGOOD",
        "type": "output",
        "description": "Power-good open-drain output that is pulled low when the output is outside the PGOOD threshold or above the overvoltage threshold, or when VIN is below UVLO, and requires an external pull-up."
      },
      {
        "number": "12",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin connected to the midpoint of the resistor divider between VOUT and AGND, with a typical regulated voltage of 0.5 V (0.495 V to 0.505 V for GM2500)."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "exposed pad 13 added from the footprint"
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        "at": "2026-10-18T00:02:52"
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      "Manufacturer": "GONGMOSEMI",
      "Package": "LQFN-12(2x2)",
      "Category": "Power Management (PMIC)",
      "Pins": "13"
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          "name": "结到环境热阻 θJA (12-pin LQFN 2x2)",
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