IP5508_BZ_188

{
  "schema_version": 1,
  "type": "component",
  "slug": "ip5508-bz-188",
  "title": "IP5508_BZ_188",
  "brief": "INJOINIC Battery Management, QFN-32-EP(5x5). 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)",
    "ip5508_bz_188",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "IP5508_BZ_188",
    "manufacturer": "INJOINIC",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883892674052096",
    "parts": {
      "symbol": "ip5508-bz-188.kicad_sym",
      "footprint": "ip5508-bz-188.kicad_mod",
      "model_3d": "ip5508-bz-188-hero.glb",
      "model_3d_plain": "ip5508-bz-188-etched.glb",
      "model_3d_step": "ip5508-bz-188-etched.step",
      "model_3d_step_plain": "ip5508-bz-188.step",
      "lbr": "ip5508-bz-188.lbr"
    },
    "distributor_links": {
      "lcsc": "C282577"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:03:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LED1",
        "type": "output",
        "description": "Digit/LED display driver pin 1 for the battery-level indicator, wired to VCC through 100R resistors in the LED display configuration."
      },
      {
        "number": "2",
        "name": "VSET1",
        "type": "input",
        "description": "Battery voltage setting pin 1; together with VSET2 it selects the 4.20 V, 4.30 V, 4.35 V or 4.40 V constant-voltage charge level through the Vset[2:1] coding."
      },
      {
        "number": "3",
        "name": "IO8",
        "type": "bidirectional",
        "description": "General-purpose GPIO pin with a stated IO port drive current of 4 mA to 8 mA (5 mA typical)."
      },
      {
        "number": "4",
        "name": "MODE1",
        "type": "input",
        "description": "Key mode selection pin 1; together with MODE2 it selects one of four key operating modes (power on/off, flashlight or lamp control)."
      },
      {
        "number": "5",
        "name": "MODE2",
        "type": "input",
        "description": "Key mode selection pin 2; together with MODE1 it selects one of four key operating modes."
      },
      {
        "number": "6",
        "name": "DP",
        "type": "bidirectional",
        "description": "DCP function pin (shown as DP in the pin list and application circuit) for USB dedicated charging port detection."
      },
      {
        "number": "7",
        "name": "DM",
        "type": "bidirectional",
        "description": "DCP function pin (shown as DM in the pin list and application circuit) for USB dedicated charging port detection."
      },
      {
        "number": "8",
        "name": "ADC1",
        "type": "input",
        "description": "ADC1 analog input to the IC's internal 14-bit ADC."
      },
      {
        "number": "9",
        "name": "ADC2",
        "type": "input",
        "description": "ADC2 analog input to the IC's internal 14-bit ADC."
      },
      {
        "number": "10",
        "name": "ADCGND",
        "type": "power_in",
        "description": "System ground for the ADC and analog circuitry."
      },
      {
        "number": "11",
        "name": "FSEL",
        "type": "input",
        "description": "Battery initial capacity setting pin; the external resistor R19 sets capacity as R19 x 0.2 mAh, up to 25000 mAh."
      },
      {
        "number": "12",
        "name": "NTC",
        "type": "input",
        "description": "NTC function pin for temperature sensing; the application circuit uses a 100K at 25 °C NTC."
      },
      {
        "number": "13",
        "name": "VSET2",
        "type": "input",
        "description": "Battery voltage setting pin 2; together with VSET1 it selects the constant-voltage charge level."
      },
      {
        "number": "14",
        "name": "AGND",
        "type": "power_in",
        "description": "System ground pin."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_out",
        "description": "Always-on 3.1 V LDO output with 50 mA load capability; the datasheet gives VCC as 3.05 V to 3.15 V at VBAT = 3.7 V."
      },
      {
        "number": "16",
        "name": "BAT",
        "type": "input",
        "description": "Battery voltage sampling pin; the battery operating voltage range is stated as 3 V to 4.4 V."
      },
      {
        "number": "17",
        "name": "CSIN",
        "type": "power_in",
        "description": "System power supply and battery voltage sampling pin."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin for the DC-DC converter."
      },
      {
        "number": "19",
        "name": "LX",
        "type": "passive",
        "description": "DC-DC switching node that connects to the 1 uH inductor."
      },
      {
        "number": "20",
        "name": "LX",
        "type": "passive",
        "description": "DC-DC switching node that connects to the 1 uH inductor."
      },
      {
        "number": "21",
        "name": "LX",
        "type": "passive",
        "description": "DC-DC switching node that connects to the 1 uH inductor."
      },
      {
        "number": "22",
        "name": "VOUT",
        "type": "power_out",
        "description": "DC-DC 5 V boost output; rated for 2.4 A output current with 5.0 V typical at 2.4 A from a 3.7 V battery."
      },
      {
        "number": "23",
        "name": "VOUT",
        "type": "power_out",
        "description": "DC-DC 5 V boost output; rated for 2.4 A output current with 5.0 V typical at 2.4 A from a 3.7 V battery."
      },
      {
        "number": "24",
        "name": "VIN",
        "type": "power_in",
        "description": "DC-DC 5 V charge input; recommended input voltage is 4.5 V to 5.8 V and absolute maximum is -0.3 V to 12 V."
      },
      {
        "number": "25",
        "name": "VIN",
        "type": "power_in",
        "description": "DC-DC 5 V charge input; recommended input voltage is 4.5 V to 5.8 V and absolute maximum is -0.3 V to 12 V."
      },
      {
        "number": "26",
        "name": "KEY",
        "type": "bidirectional",
        "description": "Button input and flashlight driver pin; flashlight drive current is stated as 5 mA to 15 mA."
      },
      {
        "number": "27",
        "name": "LED6",
        "type": "output",
        "description": "Digit/LED display driver pin 6 for the battery-level indicator."
      },
      {
        "number": "28",
        "name": "LED5",
        "type": "output",
        "description": "Digit/LED display driver pin 5 for the battery-level indicator."
      },
      {
        "number": "29",
        "name": "LED4",
        "type": "output",
        "description": "Digit/LED display driver pin 4 for the battery-level indicator."
      },
      {
        "number": "30",
        "name": "IO6",
        "type": "bidirectional",
        "description": "General-purpose GPIO pin with a stated IO port drive current of 4 mA to 8 mA (5 mA typical)."
      },
      {
        "number": "31",
        "name": "LED3",
        "type": "output",
        "description": "Digit/LED display driver pin 3 for the battery-level indicator."
      },
      {
        "number": "32",
        "name": "LED2",
        "type": "output",
        "description": "Digit/LED display driver pin 2 for the battery-level indicator."
      },
      {
        "number": "33",
        "name": "EPAD/PGND",
        "type": "power_in",
        "description": "Exposed pad for power ground and heat dissipation; it must be kept in good contact with GND."
      }
    ],
    "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 MPN suffix '_BZ_188' is not defined in the datasheet. The only package given is QFN32 5mm x 5mm,; The pin list gives 33 entries: 32 leads plus the exposed pad labelled EPAD/PGND. The package drawing; Pin types for LX, KEY, CSIN, BAT and the LED display pins are not stated in the datasheet. They were"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0742,
        "at": "2026-10-18T14:03:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883892674052096",
        "pages": 18,
        "sha256": "144b9e53f90597fc",
        "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"
    },
    "models_3d": [
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        "file": "ip5508-bz-188.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ip5508-bz-188-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "24cfbf21b13ae0cdb117b725d9e5641a43180eeb8ebd8b2dabae8116cebdcb38",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "INJOINIC",
      "Package": "QFN-32-EP(5x5)",
      "Category": "Power Management (PMIC)",
      "Pins": "33"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "144b9e53f90597fc4755bd98dc7a2fc1439ac4b9d80306c797c74788555257f4",
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          "kind": "absolute_maximum",
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        {
          "name": "结温范围",
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          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
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        },
        {
          "name": "存储温度范围",
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        },
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          "name": "工作环境温度",
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          "unit": "℃",
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          "name": "输入过压",
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        {
          "name": "输入欠压保护",
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        {
          "name": "CV 恒压充电电压 (CV4.2V)",
          "symbol": "",
          "kind": "electrical",
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          "min": 4.18,
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          "max": 4.24,
          "conditions": "VSET[2:1]=2b00",
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        },
        {
          "name": "CV 恒压充电电压 (CV4.30V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.28,
          "typ": 4.31,
          "max": 4.34,
          "conditions": "VSET[2:1]=2b01",
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        {
          "name": "CV 恒压充电电压 (CV4.35V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.33,
          "typ": 4.36,
          "max": 4.4,
          "conditions": "VSET[2:1]=2b10",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CV 恒压充电电压 (CV4.4V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.38,
          "typ": 4.41,
          "max": 4.44,
          "conditions": "VSET[2:1]=2b11",
          "source_page": 5,
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        },
        {
          "name": "充电截止电流",
          "symbol": "Ivinstop",
          "kind": "electrical",
          "unit": "mA",
          "min": 200,
          "typ": 300,
          "max": 500,
          "conditions": "输入 Vin=5V",
          "source_page": 5,
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        },
        {
          "name": "充电电流",
          "symbol": "IVIN",
          "kind": "electrical",
          "unit": "A",
          "min": 1.7,
          "typ": 2,
          "max": 2.3,
          "conditions": "VBAT=3.7V",
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        },
        {
          "name": "涓流充电电流",
          "symbol": "ITRKL",
          "kind": "electrical",
          "unit": "mA",
          "min": 100,
          "typ": 200,
          "max": 300,
          "conditions": "VIN=5v，BAT=2.7v",
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          "source": "datasheet"
        },
        {
          "name": "涓流截止电压",
          "symbol": "VTRKL",
          "kind": "electrical",
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          "typ": 3,
          "max": 3.1,
          "conditions": "",
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        },
        {
          "name": "再充电阈值",
          "symbol": "VRCH",
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          "unit": "V",
          "min": 4.07,
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        },
        {
          "name": "充电截止时间",
          "symbol": "TEND",
          "kind": "electrical",
          "unit": "Hour",
          "min": 20,
          "typ": 24,
          "max": 28,
          "conditions": "",
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        },
        {
          "name": "电池工作电压",
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          "kind": "electrical",
          "unit": "V",
          "min": 3,
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          "max": 4.4,
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        {
          "name": "低电关机电压",
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          "unit": "V",
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          "max": 3,
          "conditions": "IOUT=2A",
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        },
        {
          "name": "开关工作电池输入电流",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": 2,
          "typ": null,
          "max": 6,
          "conditions": "VBAT=3.7V，VOUT=5.1V，fs=500KHz (无数码管、无led显示、Vout无负载)",
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        {
          "name": "DC 输出电压",
          "symbol": "VOUT",
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          "max": 5.25,
          "conditions": "VBAT=3.7V @0A",
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          "name": "DC 输出电压",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.85,
          "typ": 5,
          "max": 5.35,
          "conditions": "VBAT=3.7V @2.4A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输出电压纹波",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 100,
          "max": 150,
          "conditions": "VBAT=3.0V~4.4V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "升压系统供电电流",
          "symbol": "Ivout",
          "kind": "electrical",
          "unit": "A",
          "min": 0,
          "typ": null,
          "max": 2.4,
          "conditions": "VBAT=3.0V~4.4V",
          "source_page": 6,
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        {
          "name": "升压系统过流关断电流",
          "symbol": "Ivout",
          "kind": "electrical",
          "unit": "A",
          "min": 2.45,
          "typ": 2.8,
          "max": 3.2,
          "conditions": "VBAT=3.0V~4.4V",
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        {
          "name": "放电开关频率",
          "symbol": "fs",
          "kind": "electrical",
          "unit": "KHz",
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          "typ": 500,
          "max": 550,
          "conditions": "",
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        {
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          "max": 550,
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        },
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          "name": "电池输入待机电流",
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          "kind": "electrical",
          "unit": "uA",
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          "typ": null,
          "max": 120,
          "conditions": "VIN=0V，VBAT=3.7V",
          "source_page": 6,
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        },
        {
          "name": "LED 照明驱动电流",
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          "kind": "electrical",
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          "max": 15,
          "conditions": "",
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        {
          "name": "IO 口驱动电流",
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          "unit": "mA",
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          "max": 8,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "无负载自动关机时间",
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          "kind": "electrical",
          "unit": "s",
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          "typ": 30,
          "max": 33,
          "conditions": "负载电流持续小于 50mA",
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        {
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          "max": 70,
          "conditions": "VBAT=3.7V",
          "source_page": 6,
          "source": "datasheet"
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          "name": "短按按键时间",
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          "max": 300,
          "conditions": "",
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          "max": 3,
          "conditions": "",
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          "name": "热关断结温",
          "symbol": "TOTP",
          "kind": "electrical",
          "unit": "℃",
          "min": 130,
          "typ": 140,
          "max": 150,
          "conditions": "上升温度",
          "source_page": 6,
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