BL8573CS8TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bl8573cs8tr",
  "title": "BL8573CS8TR",
  "brief": "BL Shanghai Belling Battery Management, ESOP-8. 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)",
    "bl8573cs8tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BL8573CS8TR",
    "manufacturer": "BL Shanghai Belling",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226215740211200",
    "parts": {
      "symbol": "bl8573cs8tr.kicad_sym",
      "footprint": "bl8573cs8tr.kicad_mod",
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      "model_3d_step_plain": "bl8573cs8tr.step",
      "lbr": "bl8573cs8tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2999147"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:45:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Charge current program, monitor and shutdown pin: a 1% resistor RPROG to GND sets IBAT = (VPROG/RPROG)×1000 with VPROG = 1V in constant-current mode, floating it shuts down the charger (3μA pull-up), and it is clamped to about 2.4V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply (4.25V to 6.0V operating, 6.5V absolute maximum) that needs bypassing with at least a 1μF capacitor, and the charger enters shutdown when VCC falls within 30mV of the BAT voltage."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge current output to the battery that regulates the final float voltage to 4.2V or 4.35V (1% accuracy) through an internal precision resistor divider."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge status output that pulls low when the battery is fully charged (absolute maximum -0.3V to 6.5V)."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output that pulls low while the battery is charging (absolute maximum -0.3V to 6.5V), and is high impedance in undervoltage lockout."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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": [
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          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.115,
        "at": "2026-10-18T02:43:44"
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        "sha256": "3479cdc9baa90eb9",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "appearance": {
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        "material": "copper"
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          "name": "Maximum Junction Temperature",
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        {
          "name": "Operating Ambient Temperature Range",
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          "name": "Storage Temperature Range",
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        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
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          "conditions": "Soldering, 10 sec",
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          "typ": null,
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          "name": "Input Supply Current",
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          "unit": "μA",
          "min": null,
          "typ": 300,
          "max": 2000,
          "conditions": "Charge Mode (Note 2)",
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          "max": 500,
          "conditions": "Standby Mode (Charge Terminated)",
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          "name": "Input Supply Current",
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          "kind": "electrical",
          "unit": "μA",
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          "typ": 25,
          "max": 50,
          "conditions": "Shutdown Mode (RPROG Not Connected, VCC<VBAT, or VCC<VULO)",
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          "name": "Regulated Output (Float) Voltage",
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          "max": 4.242,
          "conditions": "IBAT = 40mA",
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        {
          "name": "BAT Pin Current",
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          "name": "BAT Pin Current",
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          "typ": 500,
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          "conditions": "RPROG = 2K, Current Mode",
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          "name": "BAT Pin Current",
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          "kind": "electrical",
          "unit": "μA",
          "min": 0,
          "typ": -2.5,
          "max": -6,
          "conditions": "Standby Mode, VBAT = 4.2V",
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        {
          "name": "BAT Pin Current",
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          "kind": "electrical",
          "unit": "μA",
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          "max": 5,
          "conditions": "Shutdown Mode (RPROG Not Connected)",
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        {
          "name": "Trickle Charge Current",
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          "kind": "electrical",
          "unit": "mA",
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          "typ": 45,
          "max": 70,
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        {
          "name": "Trickle Charge Threshold Voltage",
          "symbol": "VTRIKL",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 2.9,
          "max": 3,
          "conditions": "VBAT Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Trickle Charge Hysteresis Voltage",
          "symbol": "VTRHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 60,
          "typ": 80,
          "max": 110,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC Undervoltage Lockout Threshold",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 2.8,
          "max": 2.92,
          "conditions": "From VCC Low to High",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC Undervoltage Lockout Hysteresis",
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          "kind": "electrical",
          "unit": "mV",
          "min": 150,
          "typ": 200,
          "max": 300,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Manual Shutdown Threshold Voltage",
          "symbol": "VMSD",
          "kind": "electrical",
          "unit": "V",
          "min": 1.15,
          "typ": 1.21,
          "max": 1.3,
          "conditions": "PROG Pin Rising",
          "source_page": 4,
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        },
        {
          "name": "Manual Shutdown Threshold Voltage",
          "symbol": "VMSD",
          "kind": "electrical",
          "unit": "V",
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          "typ": 1,
          "max": 1.1,
          "conditions": "PROG Pin Falling",
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        {
          "name": "VCC–VBAT Lockout Threshold Voltage",
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          "min": 70,
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          "max": 140,
          "conditions": "VCC from Low to High",
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          "name": "VCC–VBAT Lockout Threshold Voltage",
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          "kind": "electrical",
          "unit": "mV",
          "min": 5,
          "typ": 30,
          "max": 50,
          "conditions": "VCC from High to Low",
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        },
        {
          "name": "C/10 Termination Current Threshold",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.085,
          "typ": 0.1,
          "max": 0.115,
          "conditions": "Note 3",
          "source_page": 4,
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          "name": "PROG Pin Voltage",
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          "unit": "V",
          "min": 0.93,
          "typ": 1,
          "max": 1.07,
          "conditions": "Current Mode, VBAT=4V",
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        {
          "name": "CHRG Pin Output Low Voltage",
          "symbol": "VCHRG",
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          "unit": "V",
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          "typ": 0.35,
          "max": 0.6,
          "conditions": "ICHRG = 5mA",
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          "source": "datasheet"
        },
        {
          "name": "Recharge BAT Threshold Voltage (VFLOAT - VRECHRG)",
          "symbol": "VRECHRG",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": 150,
          "max": 200,
          "conditions": "",
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        },
        {
          "name": "Junction Temperature in Constant Temperature Mode",
          "symbol": "TLIM",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "",
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        {
          "name": "Power FET ON Resistance (Between VCC and BAT)",
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          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 0.25,
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          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Soft-Start Time",
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          "kind": "timing",
          "unit": "μs",
          "min": null,
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          "max": null,
          "conditions": "IBAT = 0 to IBAT = 1000V/RPROG",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recharge Comparator Filter Time",
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          "max": 20,
          "conditions": "VBAT High to Low",
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          "name": "Termination Comparator Filter Time",
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          "kind": "timing",
          "unit": "μs",
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          "typ": 1000,
          "max": 2500,
          "conditions": "IBAT Falling Below ICHG/10",
          "source_page": 4,
          "source": "datasheet"
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          "name": "PROG Pin Pull-Up Current",
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          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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