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Ray Set visibility: public 02551f7 12h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "gm1203bacpz-1-r7",
  "title": "GM1203BACPZ-1-R7",
  "brief": "GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-20(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "gm1203bacpz-1-r7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GM1203BACPZ-1-R7",
    "manufacturer": "GONGMOSEMI",
    "package": "QFN-20(3.5x3.5)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8773173012529201152",
    "parts": {
      "symbol": "gm1203bacpz-1-r7.kicad_sym",
      "footprint": "gm1203bacpz-1-r7.kicad_mod",
      "model_3d": "gm1203bacpz-1-r7-hero.glb",
      "model_3d_plain": "gm1203bacpz-1-r7-etched.glb",
      "model_3d_step": "gm1203bacpz-1-r7-etched.step",
      "model_3d_step_plain": "gm1203bacpz-1-r7.step",
      "lbr": "gm1203bacpz-1-r7.lbr"
    },
    "distributor_links": {
      "lcsc": "C19272616"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:59:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output; a 47 µF or larger ceramic capacitor to GND, placed as close to the pin as possible, is required for stability."
      },
      {
        "number": "2",
        "name": "SNS",
        "type": "passive",
        "description": "Output sense pin, connected to the output through an internal R0 resistor; connect it to the load side of the output only when the VOUT programming pins are used, otherwise leave it floating."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin to the error amplifier; a 10 nF feed-forward capacitor between FB and OUT, placed close to the device, is recommended."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "output",
        "description": "Open-drain, active-high power-good output that indicates the output has reached the PG rising threshold, requiring an external pull-up of 10 kΩ to 100 kΩ and rated for a PG current of −5 mA maximum."
      },
      {
        "number": "5",
        "name": "50mV",
        "type": "input",
        "description": "VOUT programming pin that adds 50 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
      },
      {
        "number": "6",
        "name": "100mV",
        "type": "input",
        "description": "VOUT programming pin that adds 100 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
      },
      {
        "number": "7",
        "name": "200mV",
        "type": "input",
        "description": "VOUT programming pin that adds 200 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected with low impedance to the other GND pin(s) and the exposed pad."
      },
      {
        "number": "9",
        "name": "400mV",
        "type": "input",
        "description": "VOUT programming pin that adds 400 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
      },
      {
        "number": "10",
        "name": "800mV",
        "type": "input",
        "description": "VOUT programming pin that adds 800 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
      },
      {
        "number": "11",
        "name": "1.6V",
        "type": "input",
        "description": "VOUT programming pin that adds 1.6 V to the output when connected to GND, and is set to SNS or left floating otherwise."
      },
      {
        "number": "12",
        "name": "BIAS",
        "type": "power_in",
        "description": "Bias supply pin that lowers dropout and improves DC and AC performance at VIN ≤ 2.2 V and requires a 10 µF or larger capacitor to GND; it must be left floating or grounded if unused, and at least 3 V must be applied to it when VIN is below 1.5 V."
      },
      {
        "number": "13",
        "name": "NR/SS",
        "type": "passive",
        "description": "Noise-reduction and soft-start pin where an external capacitor to GND reduces reference noise and sets soft-start, with 10 nF or more recommended and a charge current of 4.0 µA to 11.5 µA."
      },
      {
        "number": "14",
        "name": "EN",
        "type": "input",
        "description": "Enable pin where a logic high above 1.1 V enables the device and a logic low below 0.4 V disables it, with a maximum rating of 6.5 V, and it must be tied to IN or BIAS if enable control is not used."
      },
      {
        "number": "15",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with a 1.1 V to 6.5 V operating range that requires a 10 µF or larger ceramic capacitor to GND placed as close to the pin as possible."
      },
      {
        "number": "16",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with a 1.1 V to 6.5 V operating range that requires a 10 µF or larger ceramic capacitor to GND placed as close to the pin as possible."
      },
      {
        "number": "17",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with a 1.1 V to 6.5 V operating range that requires a 10 µF or larger ceramic capacitor to GND placed as close to the pin as possible."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected with low impedance to the other GND pin(s) and the exposed pad."
      },
      {
        "number": "19",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output; a 47 µF or larger ceramic capacitor to GND, placed as close to the pin as possible, is required for stability."
      },
      {
        "number": "20",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output; a 47 µF or larger ceramic capacitor to GND, placed as close to the pin as possible, is required for stability."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed thermal pad (EPAD) is unnumbered on the package, so it is not listed as a numbered pin; ; Pinout taken from the 20-lead 3.5 mm x 3.5 mm QFN table (Table 1, page 6) because the ordering guide; Pin types are mapped to KiCad classes from the functional descriptions; the datasheet does not state",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 25,
        "cost_usd": 0.106,
        "at": "2026-10-18T13:59:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8773173012529201152",
        "pages": 25,
        "sha256": "f744d3090b584d94",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gm1203bacpz-1-r7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0d481047948f6a35187313e7096ea2d65993f09706d49b0cda5b09a18b4b72a4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gm1203bacpz-1-r7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "846dbfa0847b9cacbbf08daca0a160079880b49dbd2b15911e6b94983a1f0b57",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GONGMOSEMI",
      "Package": "QFN-20(3.5x3.5)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f744d3090b584d946de270e919c8ab2195306ea1df95bfc3998e006db22fa301",
      "rows": [
        {
          "name": "Output voltage accuracy (line, load, over temperature)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.5 V ≤ VOUT ≤ 3.65 V, 5 mA ≤ IOUT ≤ 3 A, over VIN",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Accuracy with BIAS",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1.3,
          "conditions": "VIN = 1.1 V, VOUT = 0.5V, 5 mA ≤ IOUT ≤ 3 A, 3.0 V ≤ VBIAS ≤ 6.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "GM1203B output voltage range, pin-programmed",
          "symbol": "VFB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 3.95,
          "conditions": "使用引脚编程 (pin programming)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "GM1203B output voltage range, external resistor divider",
          "symbol": "VFB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 5.5,
          "conditions": "使用外部电阻 (external resistors), excludes resistor tolerance",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Minimum IN voltage for UVLO (with BIAS)",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 0.98,
          "typ": 1.085,
          "max": null,
          "conditions": "VBIAS = 3.0 V, TJ = −40°C to +125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Minimum IN voltage for UVLO (without BIAS)",
          "symbol": "VUVLO1",
          "kind": "electrical",
          "unit": "V",
          "min": 1.32,
          "typ": 1.49,
          "max": null,
          "conditions": "TJ = −40°C to +125°C, VIN rising",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Minimum BIAS input voltage for UVLO",
          "symbol": "VBIAS_UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.9,
          "max": null,
          "conditions": "VIN = 1.1 V, VBIAS rising",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage, 3 A",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 140,
          "max": 260,
          "conditions": "VIN = 1.5 V, IOUT = 3 A, 0.9 × VOUT(nom)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage, 3 A",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 115,
          "max": 220,
          "conditions": "VIN = 5.4 V, IOUT = 3 A, 0.9 × VOUT(nom)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage, 3 A with BIAS",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": 210,
          "conditions": "VIN = 1.1 V, VBIAS = 5 V, IOUT = 3 A, 0.9 × VOUT(nom)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 3.7,
          "typ": 4.2,
          "max": 6.7,
          "conditions": "VOUT forced to 0.9 × VOUT(nom), VIN = VOUT(nom) + 0.4 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "EN pin low-level input voltage",
          "symbol": "VEN_IL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "EN pin high-level input voltage",
          "symbol": "VEN_IH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "EN pin current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN = 6.5 V, VEN = 0 V and 6.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "PG falling threshold",
          "symbol": "VPG_FALLING",
          "kind": "electrical",
          "unit": "% × VOUT",
          "min": 82,
          "typ": 91,
          "max": 93,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "PG pin low-level output voltage",
          "symbol": "VPG_OL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VOUT < VPG_FALLING, IPG = –1 mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "PG pin leakage current",
          "symbol": "IPG_LK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VOUT > VPG_FALLING + VPG_HYS, VPG = 6.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "NR/SS charging current",
          "symbol": "INR/SS",
          "kind": "electrical",
          "unit": "µA",
          "min": 4,
          "typ": 9,
          "max": 11.5,
          "conditions": "VNR/SS = GND, VIN = 6.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "FB pin leakage current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VIN = 6.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: IN, BIAS, PG, EN to GND voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: NR/SS, FB to GND voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: SNS, OUT to GND voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN+0.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: 50mV…1.6V output-setting pins to GND voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VOUT+0.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: PG current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Non-M grade (GM1203BACPZ); the −55°C to +125°C range applies to M variants",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient, 20-pin 3.5 mm × 3.5 mm QFN",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43.4,
          "max": null,
          "conditions": "Worst case, device soldered to PCB (JEDEC high-K 4-layer board)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input voltage, no BIAS",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 6.5,
          "conditions": "Without BIAS supply",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Input voltage, with BIAS",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 6.5,
          "conditions": "When VIN < 1.5 V, BIAS must be at least 3 V",
          "source_page": 18,
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          "name": "Line regulation",
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          "conditions": "f = 10 kHz, VOUT = 0.8 V, VBIAS = 5.0 V; VIN – VOUT = 0.4 V, IOUT = 3 A, CNR/SS = 100 nF, CFF = 10 nF, COUT = 47 μF",
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          "typ": 150,
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          "typ": 20,
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