SL4057

{
  "schema_version": 1,
  "type": "component",
  "slug": "sl4057",
  "title": "SL4057",
  "brief": "Slkor SLKORMICRO Elec Battery Management, SOT-23-6. 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)",
    "sl4057",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SL4057",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225447549509632",
    "parts": {
      "symbol": "sl4057.kicad_sym",
      "footprint": "sl4057.kicad_mod",
      "model_3d": "sl4057-hero.glb",
      "model_3d_plain": "sl4057-etched.glb",
      "model_3d_step": "sl4057-etched.step",
      "model_3d_step_plain": "sl4057.step",
      "lbr": "sl4057.lbr"
    },
    "distributor_links": {
      "lcsc": "C2980830"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T06:10:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge-status output that is pulled low while charging, is high-impedance in other states, and flashes at about 20 Hz when no battery is connected (with a 1 µF capacitor on BAT)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device; the PROG charge-current resistor is connected between PROG and this pin."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection that delivers the charge current (BAT current rated at 500 mA) and regulates the float voltage at 4.24 V ±1%, with an absolute maximum voltage of 6.5 V."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin with an operating range of 4.0 V to 6.5 V; the charger stays in shutdown until VCC rises above the UVLO threshold of about 3.8 V (200 mV typical hysteresis)."
      },
      {
        "number": "5",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete output that is pulled low when charging terminates and is high-impedance in other states, with an absolute maximum voltage of 8 V."
      },
      {
        "number": "6",
        "name": "PROG",
        "type": "passive",
        "description": "Charge-current programming pin: a resistor to GND sets the constant charge current (for example 2 kΩ gives 500 mA and 10 kΩ gives about 100 mA), with 1.0 V on PROG in constant-current mode and an absolute maximum of 6.5 V."
      }
    ],
    "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 pin numbering was taken from the pin-description table on page 2. The physical pin layout diagra; The datasheet gives no pin type classification. The KiCad types for BAT (bidirectional), PROG (passi; The datasheet's Chinese source text is translated into English; the description limits are copied fr"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0361,
        "at": "2026-10-17T06:10:28"
      },
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        "pages": 8,
        "sha256": "903b652d222876ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Slkor SLKORMICRO Elec",
      "Package": "SOT-23-6",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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          "name": "Input supply voltage",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 6.5,
          "conditions": "",
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        },
        {
          "name": "Input supply current, charge mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 240,
          "max": 500,
          "conditions": "充电模式(RPROG=10K)",
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        {
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          "symbol": "ICC",
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          "unit": "uA",
          "min": null,
          "typ": 25,
          "max": 50,
          "conditions": "停机模式(RPROG未连接，VCC＜VBAT,VCC＜VUVLO)",
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        {
          "name": "Output float voltage",
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          "name": "BAT charge current, constant current mode",
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        {
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          "min": 0,
          "typ": -2.5,
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        {
          "name": "BAT shutdown current",
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          "typ": 1,
          "max": 2,
          "conditions": "停机模式",
          "source_page": 5,
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        },
        {
          "name": "Battery reverse-polarity mode current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "电池反接模式，VBAT=-4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0,
          "max": 1,
          "conditions": "睡眠模式，VCC=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Trickle charge current",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": 50,
          "max": 60,
          "conditions": "VBAT＜VTRIKL, RPROG=2K",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Trickle charge threshold voltage, VBAT rising",
          "symbol": "VTRIKL",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 2.9,
          "max": 3.1,
          "conditions": "VBAT上升",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Trickle charge hysteresis voltage, VBAT falling",
          "symbol": "VTRHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 60,
          "typ": 80,
          "max": 100,
          "conditions": "VBAT下降",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCC undervoltage lockout voltage, VCC rising",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": 3.8,
          "max": 4,
          "conditions": "VCC上升",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "VCC undervoltage lockout hysteresis, VCC falling",
          "symbol": "VUVHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 150,
          "typ": 200,
          "max": 300,
          "conditions": "VCC下降",
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        {
          "name": "Manual shutdown threshold voltage, VPROG rising",
          "symbol": "VMSD",
          "kind": "electrical",
          "unit": "V",
          "min": 1.15,
          "typ": 1.21,
          "max": 1.3,
          "conditions": "VPROG上升",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Manual shutdown threshold voltage, VPROG falling",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1,
          "max": 1.1,
          "conditions": "VPROG下降",
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        {
          "name": "VCC-VBAT lockout voltage, VCC rising",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": 70,
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          "name": "VCC-VBAT lockout voltage, VCC falling",
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        {
          "name": "C/10 termination current threshold (ratio of termination to constant charge current)",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA/mA",
          "min": 0.085,
          "typ": 0.1,
          "max": 0.115,
          "conditions": "RPROG=10K",
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        {
          "name": "PROG pin voltage",
          "symbol": "VPROG",
          "kind": "electrical",
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          "min": 0.93,
          "typ": 1,
          "max": 1.07,
          "conditions": "恒流模式，RPROG=10K",
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        {
          "name": "CHRG output low voltage",
          "symbol": "VCHRG",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.35,
          "max": 0.6,
          "conditions": "ICHRG=5mA",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "STDBY output low voltage",
          "symbol": "VSTDBY",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.35,
          "max": 0.6,
          "conditions": "ISTDBY=5mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Recharge threshold voltage",
          "symbol": "VRECHG",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "VFLOAT-VRECHG",
          "source_page": 5,
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        {
          "name": "Recharge delay time",
          "symbol": "tRECHG",
          "kind": "electrical",
          "unit": "ms",
          "min": 0.8,
          "typ": 1.8,
          "max": 4,
          "conditions": "VBAT由高到低",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Charge termination delay time",
          "symbol": "tTERM",
          "kind": "electrical",
          "unit": "ms",
          "min": 0.63,
          "typ": 1.4,
          "max": 3,
          "conditions": "IBAT降至ICHG/10以下",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PROG pin pull-up current",
          "symbol": "IPROG",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
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        {
          "name": "VCC input voltage (absolute maximum)",
          "symbol": "VCC",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
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        {
          "name": "PROG pin voltage (absolute maximum)",
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        {
          "name": "BAT pin voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
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        {
          "name": "CHRG pin voltage (absolute maximum)",
          "symbol": "",
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          "unit": "V",
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          "typ": null,
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          "conditions": "",
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          "name": "STDBY pin voltage (absolute maximum)",
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        {
          "name": "BAT pin current (absolute maximum)",
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        {
          "name": "PROG pin current (absolute maximum)",
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          "conditions": "",
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        {
          "name": "Maximum power dissipation",
          "symbol": "",
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          "unit": "mW",
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          "name": "Storage temperature",
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          "unit": "C",
          "min": -65,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Human body model ESD level",
          "symbol": "",
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          "unit": "V",
          "min": null,
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          "conditions": "",
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        {
          "name": "Machine model ESD level",
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          "conditions": "",
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        {
          "name": "Latch-up level",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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