IP2709_BF20WP

{
  "slug": "ip2709-bf20wp",
  "version": "0.1.0",
  "type": "component",
  "description": "INJOINIC Battery Management, QFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ip2709_bf20wp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ip2709-bf20wp.kicad_sym",
    "ip2709-bf20wp.kicad_mod",
    "ip2709-bf20wp.glb",
    "ip2709-bf20wp.step",
    "ip2709-bf20wp.lbr",
    "docs/hero.png",
    "docs/ip2709-bf20wp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ip2709-bf20wp-hero.glb",
    "ip2709-bf20wp-hero.overlay.json"
  ],
  "component": {
    "mpn": "IP2709_BF20WP",
    "manufacturer": "INJOINIC",
    "package": "QFN-24(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590918327659548672",
    "parts": {
      "symbol": "ip2709-bf20wp.kicad_sym",
      "footprint": "ip2709-bf20wp.kicad_mod",
      "model_3d": "ip2709-bf20wp-hero.glb",
      "model_3d_plain": "ip2709-bf20wp.glb",
      "model_3d_step": "ip2709-bf20wp-etched.step",
      "model_3d_step_plain": "ip2709-bf20wp.step",
      "lbr": "ip2709-bf20wp.lbr"
    },
    "distributor_links": {
      "lcsc": "C20606460"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T23:13:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 539 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal supply output from the LDO (2.5 to 3.3 V per the block diagram) that requires an external 2.2 uF capacitor."
      },
      {
        "number": "2",
        "name": "CMPV",
        "type": "input",
        "description": "CC loop feedback terminal for optocoupler-mode regulation, with its CMPV compensation network matched to the front-end power supply."
      },
      {
        "number": "3",
        "name": "SDA/CMPI",
        "type": "bidirectional",
        "description": "I2C bus data line in I2C mode; in FB divider mode it is the CC loop feedback terminal, with the CMPI compensation network connected to FB."
      },
      {
        "number": "4",
        "name": "SCK",
        "type": "output",
        "description": "I2C bus clock from the integrated I2C master interface used to control a compatible front-end power supply."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "output",
        "description": "Feedback loop drive output connected to the reference input of the external power supply error amplifier to set output voltage; FB sinks about 40 uA at 9 V and about 70 uA at 12 V output, and neither sources nor sinks at 5 V."
      },
      {
        "number": "6",
        "name": "PLUGA",
        "type": "input",
        "description": "USB-A port plug-in detection input that detects load insertion, with the series resistor value affecting detection sensitivity."
      },
      {
        "number": "7",
        "name": "IO1",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO1) with VIH of 0.7VCC minimum, VIL of 0.3VCC maximum, VOH of VCC and VOL of GND."
      },
      {
        "number": "8",
        "name": "CSPA",
        "type": "input",
        "description": "Positive current-sense input for the USB-A port, used with an external 5 mOhm sense resistor."
      },
      {
        "number": "9",
        "name": "CSNA",
        "type": "input",
        "description": "Negative current-sense input for the USB-A port, used with an external 5 mOhm sense resistor."
      },
      {
        "number": "10",
        "name": "CSN",
        "type": "input",
        "description": "Negative current-sense input for the TYPE-C port, used with an external 10 mOhm sense resistor in single-port fast-charge mode."
      },
      {
        "number": "11",
        "name": "CSP",
        "type": "input",
        "description": "Positive current-sense input for the TYPE-C port, used with an external 10 mOhm sense resistor in single-port fast-charge mode."
      },
      {
        "number": "12",
        "name": "DPA",
        "type": "bidirectional",
        "description": "USB-A D+ (DP) data line connection used for fast-charge protocol and BC1.2/Apple/Samsung detection."
      },
      {
        "number": "13",
        "name": "DMA",
        "type": "bidirectional",
        "description": "USB-A D- (DM) data line connection used for fast-charge protocol and BC1.2/Apple/Samsung detection."
      },
      {
        "number": "14",
        "name": "CC2",
        "type": "bidirectional",
        "description": "Type-C CC2 detection pin, rated to 30 V absolute maximum."
      },
      {
        "number": "15",
        "name": "DPC",
        "type": "bidirectional",
        "description": "TYPE-C D+ (DP) data line connection used for fast-charge protocol detection."
      },
      {
        "number": "16",
        "name": "DMC",
        "type": "bidirectional",
        "description": "TYPE-C D- (DM) data line connection; DP/DM absolute maximum is -0.3 V to 25 V."
      },
      {
        "number": "17",
        "name": "CC1",
        "type": "bidirectional",
        "description": "Type-C CC1 detection pin, rated to 30 V absolute maximum."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "19",
        "name": "NTC",
        "type": "input",
        "description": "Temperature sense input that sources 20 uA into an NTC thermistor (100 kOhm at 25 C in the reference design); tie a 51 kOhm resistor to GND if the NTC function is not used."
      },
      {
        "number": "20",
        "name": "VOUT2",
        "type": "input",
        "description": "USB-A port output voltage detection pin for the discharge output."
      },
      {
        "number": "21",
        "name": "VOUT2G",
        "type": "output",
        "description": "Gate drive output for the USB-A external NMOS power switch; recommended NMOS Vds rating is 30 V or higher."
      },
      {
        "number": "22",
        "name": "VOUT1",
        "type": "input",
        "description": "TYPE-C port output voltage detection pin for the discharge output."
      },
      {
        "number": "23",
        "name": "VOUT1G",
        "type": "output",
        "description": "Gate drive output for the TYPE-C external NMOS power switch; recommended NMOS Vds rating is 30 V or higher."
      },
      {
        "number": "24",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin with recommended operating input of 3 V to 15 V and absolute maximum of -0.3 V to 18 V."
      },
      {
        "number": "25",
        "name": "EPAD",
        "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: Pin 25 EPAD (exposed thermal pad) appears only in the page 12 application figure and is not in the p; Pin 2 (CMPV) and pin 3 (SDA/CMPI) are multiplexed by application mode. The part is the FB-divider va; Pin types were inferred from the function text, not stated in the datasheet: SCK as output (the chip",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0826,
        "at": "2026-10-09T23:13:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590918327659548672",
        "pages": 18,
        "sha256": "5ed3ef7183e65a83",
        "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": "ip2709-bf20wp.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": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ip2709-bf20wp-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": "d6683eefec95750f3e79a905501fc8a8b39fe59877091e7cd724a886e1446b69",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}