IP6538-AC

{
  "schema_version": 1,
  "type": "component",
  "slug": "ip6538-ac",
  "title": "IP6538-AC",
  "brief": "INJOINIC Battery Management, QFN-32-EP(5x5). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ip6538-ac"
  ],
  "component": {
    "mpn": "IP6538-AC",
    "manufacturer": "INJOINIC",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b83fd3dccc98c066f3afb6e94d7b69ed.pdf",
    "parts": {
      "symbol": "ip6538-ac.kicad_sym",
      "footprint": "ip6538-ac.kicad_mod",
      "model_3d": "ip6538-ac-etched.glb",
      "model_3d_plain": "ip6538-ac.glb",
      "model_3d_step": "ip6538-ac-etched.step",
      "model_3d_step_plain": "ip6538-ac.step",
      "lbr": "ip6538-ac.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VOUT1G",
        "type": "output",
        "description": "Gate drive to control external NMOS on VOUT1 output path (load-switch / plug-detection MOSFET)."
      },
      {
        "number": "2",
        "name": "VOUT2G",
        "type": "output",
        "description": "Gate drive to control external NMOS on VOUT2 output path (load-switch / plug-detection MOSFET)."
      },
      {
        "number": "3",
        "name": "VOUT2",
        "type": "input",
        "description": "VOUT2 output plug-in detection sense pin (senses port-2 downstream voltage for auto plug detection)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Floating pin, do not connect."
      },
      {
        "number": "5",
        "name": "CCB1",
        "type": "bidirectional",
        "description": "Type-C port 2 CC1 line (Group B). PD/BMC communication and CC attach detection. Abs max 30V; OVP triggers >6.5V."
      },
      {
        "number": "6",
        "name": "CCB2",
        "type": "bidirectional",
        "description": "Type-C port 2 CC2 line (Group B). PD/BMC communication and CC attach detection. Abs max 30V; OVP triggers >6.5V."
      },
      {
        "number": "7",
        "name": "CCA1",
        "type": "bidirectional",
        "description": "Type-C port 1 CC1 line (Group A). Note: on IP6538-AC VOUT1 is USB Type-A, so CCA pins are typically unused on this variant. Abs max 30V; OVP >6.5V."
      },
      {
        "number": "8",
        "name": "CCA2",
        "type": "bidirectional",
        "description": "Type-C port 1 CC2 line (Group A). See CCA1 note for IP6538-AC. Abs max 30V; OVP >6.5V."
      },
      {
        "number": "9",
        "name": "DM2",
        "type": "bidirectional",
        "description": "VOUT2 USB D- line. Used for BC1.2/Apple/Samsung/QC/FCP/AFC/PE handshake. Abs max 30V; DPDM OVP triggers >4.8V."
      },
      {
        "number": "10",
        "name": "DP2",
        "type": "bidirectional",
        "description": "VOUT2 USB D+ line. Fast-charge protocol handshake. Abs max 30V; DPDM OVP >4.8V."
      },
      {
        "number": "11",
        "name": "DP1",
        "type": "bidirectional",
        "description": "VOUT1 USB D+ line. Fast-charge protocol handshake. Abs max 30V; DPDM OVP >4.8V."
      },
      {
        "number": "12",
        "name": "DM1",
        "type": "bidirectional",
        "description": "VOUT1 USB D- line. Fast-charge protocol handshake. Abs max 30V; DPDM OVP >4.8V."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Analog / signal ground reference."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Buck-converter power input. Operating 8.2V-32V, absolute max 40V. Tie all VIN pins (14,15,26,27) together with local bulk + HF decoupling."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Buck-converter power input (parallel with pin 14). Operating 8.2V-32V, absolute max 40V."
      },
      {
        "number": "16",
        "name": "HLED",
        "type": "output",
        "description": "Fast-charge state indicator LED drive. Open-drain style drive for a status LED (asserted while fast-charge protocol is active)."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "Floating pin, do not connect."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for the buck-stage low-side FET. Connect to the ground pour with short, wide copper adjacent to input caps."
      },
      {
        "number": "19",
        "name": "LX",
        "type": "power_out",
        "description": "DCDC switch node; connect to buck inductor. Swings from PGND to VIN. Abs max -0.3V to VIN+0.3V. Tie all LX pins (19-23) together."
      },
      {
        "number": "20",
        "name": "LX",
        "type": "power_out",
        "description": "DCDC switch node (parallel with pin 19). Connect to inductor."
      },
      {
        "number": "21",
        "name": "LX",
        "type": "power_out",
        "description": "DCDC switch node (parallel). Connect to inductor."
      },
      {
        "number": "22",
        "name": "LX",
        "type": "power_out",
        "description": "DCDC switch node (parallel). Connect to inductor."
      },
      {
        "number": "23",
        "name": "LX",
        "type": "power_out",
        "description": "DCDC switch node (parallel). Connect to inductor."
      },
      {
        "number": "24",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap capacitor node for the high-side NMOS gate driver. Typical 100nF bootstrap cap between BST and LX."
      },
      {
        "number": "25",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return (parallel with pin 18)."
      },
      {
        "number": "26",
        "name": "VIN",
        "type": "power_in",
        "description": "Buck-converter power input (parallel with pins 14/15/27)."
      },
      {
        "number": "27",
        "name": "VIN",
        "type": "power_in",
        "description": "Buck-converter power input (parallel with pins 14/15/26)."
      },
      {
        "number": "28",
        "name": "NC",
        "type": "unconnected",
        "description": "Floating pin, do not connect."
      },
      {
        "number": "29",
        "name": "VOS1",
        "type": "input",
        "description": "VOUT1 output-current negative-sense pin. Connect across a 10mOhm alloy sense resistor between VOUT and VOS1 to set port-1 current limit and enable line compensation."
      },
      {
        "number": "30",
        "name": "VOS2",
        "type": "input",
        "description": "VOUT2 output-current negative-sense pin. Connect across a 10mOhm alloy sense resistor between VOUT and VOS2 to set port-2 current limit and enable line compensation."
      },
      {
        "number": "31",
        "name": "VOUT",
        "type": "input",
        "description": "Shared VOUT1/VOUT2 output-current positive-sense pin. Kelvin-connect to the buck output rail at the high side of the 10mOhm sense resistors."
      },
      {
        "number": "32",
        "name": "VOUT1",
        "type": "input",
        "description": "VOUT1 output plug-in detection pin (senses port-1 downstream voltage for auto plug detection)."
      },
      {
        "number": "33",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed thermal pad on the underside of the QFN. Must be soldered to the ground pour for thermal dissipation and electrical return."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b83fd3dccc98c066f3afb6e94d7b69ed.pdf",
        "pages": 17,
        "sha256": "1654a7432120a048",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "INJOINIC",
      "Package": "QFN-32-EP(5x5)",
      "Category": "PMIC",
      "Pins": "33"
    }
  },
  "variants": [
    {
      "mpn": "IP6538-AC",
      "kind": "packaging"
    },
    {
      "mpn": "IP6538-ACCC",
      "kind": "packaging"
    },
    {
      "mpn": "IP6538-ACAA",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ip6538-ac"
  ],
  "discovery_pitch": "IP6538-AC (INJOINIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ip6538-ac.kicad_sym",
    "ip6538-ac.kicad_mod",
    "ip6538-ac.glb",
    "ip6538-ac.step",
    "ip6538-ac.lbr",
    "docs/hero.png",
    "docs/ip6538-ac-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T22:47:47.420Z"
}