MP2637GR-Z

{
  "slug": "mp2637gr-z",
  "version": "0.1.0",
  "type": "component",
  "description": "MPS(芯源) Battery Management, QFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "mp2637gr-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mp2637gr-z.kicad_sym",
    "mp2637gr-z.kicad_mod",
    "mp2637gr-z.glb",
    "mp2637gr-z.step",
    "mp2637gr-z.lbr",
    "docs/hero.png",
    "docs/mp2637gr-z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mp2637gr-z-hero.glb",
    "mp2637gr-z-hero.overlay.json",
    "mp2637gr-z-etched.glb"
  ],
  "component": {
    "mpn": "MP2637GR-Z",
    "manufacturer": "MPS(芯源)",
    "package": "QFN-24(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603356894887501824",
    "parts": {
      "symbol": "mp2637gr-z.kicad_sym",
      "footprint": "mp2637gr-z.kicad_mod",
      "model_3d": "mp2637gr-z-hero.glb",
      "model_3d_plain": "mp2637gr-z-etched.glb",
      "model_3d_step": "mp2637gr-z-etched.step",
      "model_3d_step_plain": "mp2637gr-z.step",
      "lbr": "mp2637gr-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C97258",
      "digikey": "1589-1617-2-ND",
      "mouser": "946-MP2637GR-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T10:21:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-1617-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "946-MP2637GR-Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin for the charger power stage, returned to the PGND plane alongside the input, SYS and battery decoupling capacitors."
      },
      {
        "number": "2",
        "name": "CHG",
        "type": "output",
        "description": "Charge completion indicator; logic LOW indicates charge mode, and the pin is open-drain during charge complete or suspended."
      },
      {
        "number": "3",
        "name": "BOOST",
        "type": "output",
        "description": "Boost-mode indicator; logic LOW indicates boost mode is in operation, and the pin is open-drain during charge mode or sleep mode."
      },
      {
        "number": "4",
        "name": "CSP",
        "type": "input",
        "description": "Battery charge current sense positive input."
      },
      {
        "number": "5",
        "name": "BATT",
        "type": "bidirectional",
        "description": "Positive battery terminal and battery charge current sense negative input, with a 2.5V to 4.35V battery voltage recommended operating range."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "7",
        "name": "OLIM",
        "type": "input",
        "description": "Programmable boost-mode output current limit; connect an external resistor to GND, which CANNOT be lower than 47.5kΩ."
      },
      {
        "number": "8",
        "name": "ISET",
        "type": "input",
        "description": "Programmable charge current pin; connect an external resistor to GND to program the charge current."
      },
      {
        "number": "9",
        "name": "NTC",
        "type": "input",
        "description": "Negative temperature coefficient thermistor input for battery temperature monitoring."
      },
      {
        "number": "10",
        "name": "FB",
        "type": "input",
        "description": "System voltage feedback input for boost mode, with a 1.2V feedback reference per the electrical characteristics."
      },
      {
        "number": "11",
        "name": "ACOK",
        "type": "output",
        "description": "Valid input supply indicator; logic LOW on this pin indicates the presence of a valid power supply."
      },
      {
        "number": "12",
        "name": "REG",
        "type": "input",
        "description": "Input voltage feedback for the input voltage regulation loop; connect to the tap of a resistor divider from VIN to GND."
      },
      {
        "number": "13",
        "name": "TMR",
        "type": "passive",
        "description": "Oscillator period timer; connect a timing capacitor to GND to set the timer period, or short to GND to disable the timer function."
      },
      {
        "number": "14",
        "name": "PWIN",
        "type": "input",
        "description": "Input pin detecting valid input power; a voltage between 0.8V and 1.15V is valid, and pulling this pin to GND turns off the IN-to-SYS pass-through MOSFET."
      },
      {
        "number": "15",
        "name": "ILIM",
        "type": "input",
        "description": "Input current set; connect to GND with an external resistor to program the charge-mode input current limit, where RILIM must exceed 16.5kΩ."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal circuit power supply; bypass to GND with a ceramic capacitor not higher than 100nF, and the pin CANNOT carry an external load higher than 5mA."
      },
      {
        "number": "17",
        "name": "VB",
        "type": "power_in",
        "description": "Programmable battery-full voltage; leave floating or connect to logic HIGH for 4.2V, or connect to GND for 4.35V."
      },
      {
        "number": "18",
        "name": "EN",
        "type": "input",
        "description": "Charge control input; logic HIGH enables charging and logic LOW disables charging, active only when ACOK is low."
      },
      {
        "number": "19",
        "name": "MODE",
        "type": "input",
        "description": "Mode select; logic HIGH selects boost mode and logic LOW selects sleep mode, active only when ACOK is high."
      },
      {
        "number": "20",
        "name": "VIN",
        "type": "power_in",
        "description": "Adapter input; place a bypass capacitor close to this pin to prevent large input voltage spikes, with a recommended operating range of 4.5V to 6V."
      },
      {
        "number": "21",
        "name": "SYS",
        "type": "power_out",
        "description": "System output; a minimum of 22µF ceramic capacitor must be placed as close as possible to the SYS and PGND pins, with total capacitance not lower than 44µF."
      },
      {
        "number": "22",
        "name": "SW",
        "type": "output",
        "description": "Switch output node; it is recommended not to place vias on the SW plane during PCB layout."
      },
      {
        "number": "23",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "24",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "25",
        "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 datasheet pin table lists pins 1, 23 and 24 together as PGND with a single description; each is ; The table describes CHG, BOOST and ACOK as open-drain indicators, so 'output' was used as the KiCad ; KiCad types for BATT (bidirectional), TMR (passive), and CSP (input) are inferred from the function ",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 37,
        "cost_usd": 0.1811,
        "at": "2026-10-20T10:21:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603356894887501824",
        "pages": 37,
        "sha256": "a32255bb902badab",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mp2637gr-z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp2637gr-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e9c5c0ce503d0f862a6453ef10cecfc113104f3a56e7be041b5f2f33af60a9ba",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}