IP5506_BZ_188

{
  "schema_version": 1,
  "type": "component",
  "slug": "ip5506-bz-188",
  "title": "IP5506_BZ_188",
  "brief": "INJOINIC Battery Management, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ip5506_bz_188"
  ],
  "component": {
    "mpn": "IP5506_BZ_188",
    "manufacturer": "INJOINIC",
    "package": "SOP-16",
    "pin_count": 17,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a20ee436a794f0f8dccfee08a2e76440.pdf",
    "parts": {
      "symbol": "ip5506-bz-188.kicad_sym",
      "footprint": "ip5506-bz-188.kicad_mod",
      "model_3d": "ip5506-bz-188-etched.glb",
      "model_3d_plain": "ip5506-bz-188.glb",
      "model_3d_step": "ip5506-bz-188-etched.step",
      "model_3d_step_plain": "ip5506-bz-188.step",
      "lbr": "ip5506-bz-188.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "DC-DC 5V boost output. Typ 5.12V @ 0A, 5.0V @ 2.4A load; supports up to 2.1A continuous. Bypass close to pin with bulk + ceramic caps."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "DC-DC 5V charging input from external adapter/USB-B. Recommended 4.5-5.8V; OVP 5.8V typ, UVP 4.5V typ; absolute max 12V."
      },
      {
        "number": "3",
        "name": "KEY",
        "type": "input",
        "description": "User pushbutton input and flashlight (WLED) drive pin. Short-press to power on, long-press ~2s to toggle flashlight; behavior selected by FSEL resistor."
      },
      {
        "number": "4",
        "name": "LED5",
        "type": "output",
        "description": "Digital-tube / battery-gauge LED drive pin 5. Drives one segment of the 188-type 7-segment display (or one of the 5 battery-level LEDs). ~5 mA typ (4-8 mA)."
      },
      {
        "number": "5",
        "name": "LED4",
        "type": "output",
        "description": "Digital-tube / battery-gauge LED drive pin 4. ~5 mA typ IO drive current."
      },
      {
        "number": "6",
        "name": "LED3",
        "type": "output",
        "description": "Digital-tube / battery-gauge LED drive pin 3. ~5 mA typ IO drive current."
      },
      {
        "number": "7",
        "name": "LED2",
        "type": "output",
        "description": "Digital-tube / battery-gauge LED drive pin 2. ~5 mA typ IO drive current."
      },
      {
        "number": "8",
        "name": "FCap",
        "type": "input",
        "description": "Battery-cell initial capacity setting pin (used by the internal fuel gauge to seed the Coulomb-counter model)."
      },
      {
        "number": "9",
        "name": "FSEL",
        "type": "input",
        "description": "Key/flashlight behavior select. Resistor-to-GND chooses one of five modes: 1K, 33K, 51K, 82K, 100K (each selects a different short/long-press and flashlight scheme; 100K enables vibration-switch mode)."
      },
      {
        "number": "10",
        "name": "LED1",
        "type": "output",
        "description": "Digital-tube / battery-gauge LED drive pin 1. ~5 mA typ IO drive current."
      },
      {
        "number": "11",
        "name": "VSET",
        "type": "input",
        "description": "Battery-type (CV target) select. Resistor divider from VCC sets CV target: GND=4.20V, 1V=4.30V, VCC=4.35V, 2V=4.40V. Example dividers: NC/0R, 300K/150K, 0R/NC, 150K/300K per Fig. 8."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "System (signal) ground."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 3.1V LDO output (3.05-3.15V) used to bias internal blocks and as reference for VSET divider. Decouple with a ceramic cap to GND; do not load externally beyond bias needs."
      },
      {
        "number": "14",
        "name": "VBAT",
        "type": "power_in",
        "description": "System supply and battery-voltage sense. Operating range 3.0-4.4V (low-battery cutoff 2.9-3.0V). Connects to the Li-ion cell positive terminal."
      },
      {
        "number": "15",
        "name": "CSIN",
        "type": "input",
        "description": "Cell voltage Kelvin-sense input to the 14-bit ADC / fuel gauge. Route separately from the VBAT power trace to the battery + terminal for accurate voltage measurement."
      },
      {
        "number": "16",
        "name": "LX",
        "type": "output",
        "description": "DC-DC switching node; connect to the external 1 uH inductor. Internal synchronous PMOS/NMOS (rDS(on) ~40/35 mOhm) switch at 500 kHz nominal (450-550 kHz) for both charge and boost modes."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad / power ground. Must be soldered to the PCB ground plane for both heat dissipation and low-impedance return; connect to signal GND (pin 12) at the pad."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a20ee436a794f0f8dccfee08a2e76440.pdf",
        "pages": 18,
        "sha256": "8b74e81650e27e7d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "INJOINIC",
      "Package": "SOP-16",
      "Category": "PMIC",
      "Pins": "17"
    }
  },
  "variants": [
    {
      "mpn": "IP5506_BZ_188",
      "kind": "packaging"
    },
    {
      "mpn": "IP5506_BZ_LED",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "ip5506_bz_188"
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  "discovery_pitch": "IP5506_BZ_188 (INJOINIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "ip5506-bz-188.glb",
    "ip5506-bz-188.step",
    "ip5506-bz-188.lbr",
    "docs/hero.png",
    "docs/ip5506-bz-188-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T22:47:23.473Z"
}