SY6982EQDC

{
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  "type": "component",
  "slug": "sy6982eqdc",
  "title": "SY6982EQDC",
  "brief": "Silergy Corp Battery Management ICs, QFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
    "sy6982eqdc",
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  "component": {
    "mpn": "SY6982EQDC",
    "manufacturer": "Silergy Corp",
    "package": "QFN-16(3x3)",
    "pin_count": 17,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9066085468ac4d609c639b5514de9430.pdf",
    "parts": {
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    "distributor_links": {
      "lcsc": "C108510"
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    "distributor_check": {
      "checked_at": "2026-10-22T22:28:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status indication pin, pulled high to SVIN through an LED; LED on means charging, off means charge done, flashing at 1.3Hz means fault."
      },
      {
        "number": "2",
        "name": "SYSRT",
        "type": "output",
        "description": "System ON/OFF control output that goes low when VBAT is below 6V to turn the system off and high when VBAT is above 6V to turn it on."
      },
      {
        "number": "3",
        "name": "TIM",
        "type": "passive",
        "description": "Charge time limit pin; connect a capacitor to ground, charged by an internal current source to set the TC and CC mode time limits (TC limit about 1/9 of CC limit)."
      },
      {
        "number": "4",
        "name": "NTC",
        "type": "input",
        "description": "Battery thermal protection pin with UTP threshold typically 75% of VSVIN and OTP threshold typically 30% of VSVIN; pull up to SVIN to disable charging and run as a normal boost regulator, pull to ground to shut down the IC."
      },
      {
        "number": "5",
        "name": "CV",
        "type": "input",
        "description": "Battery constant-voltage selection pin; below 1V selects 8.4V and above 2V selects 8.7V."
      },
      {
        "number": "6",
        "name": "VSEN",
        "type": "input",
        "description": "Voltage sense of SVIN; when it drops to the internal 1.195V reference, SVIN is clamped to the set value and input current is limited."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable control pin; high logic (above 1.5V) enables the device and low logic (below 0.4V) disables it."
      },
      {
        "number": "8",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground pin."
      },
      {
        "number": "9",
        "name": "ICHG",
        "type": "passive",
        "description": "Charge current program pin; connect resistor RICHG to ground, with ICC=(1V/RICHG)x10000 and ITC=(1V/RICHG)x1000."
      },
      {
        "number": "10",
        "name": "BD",
        "type": "passive",
        "description": "Drain of the internal blocking FET (bus voltage regulated at 6V in short-circuit recovery); bypass with at least 4.7uF ceramic capacitor to GND."
      },
      {
        "number": "11",
        "name": "BST",
        "type": "passive",
        "description": "Boost-strap pin supplying the rectified FET gate driver; decouple to LX with a 0.1uF ceramic capacitor."
      },
      {
        "number": "12",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery positive pin."
      },
      {
        "number": "13",
        "name": "BD",
        "type": "passive",
        "description": "Drain of the internal blocking FET; bypass with at least 4.7uF ceramic capacitor to GND."
      },
      {
        "number": "14",
        "name": "LX",
        "type": "passive",
        "description": "Switch node pin connected to the external inductor."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin."
      },
      {
        "number": "16",
        "name": "SVIN",
        "type": "power_in",
        "description": "Analog power input pin (3.6V to 5.5V recommended) with OVP and UVLO; connect a MLCC to ground to decouple high harmonic noise."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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        "guard_notes": [
          "extractor flagged: BD is listed as pins 10 and 13 in the datasheet (shared function); both entries kept.; Pin types are inferred from the descriptions (datasheet gives no types). The text does not say wheth"
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        "at": "2026-10-22T22:28:40"
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  "metadata": {
    "specs": {
      "Manufacturer": "Silergy Corp",
      "Package": "QFN-16(3x3)",
      "Category": "Power Management ICs",
      "Pins": "17"
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    "appearance": {
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        "quote": "3) CSVIN must be close to pin SVIN and GND. 4) The PCB copper area associated with LX pin",
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        "material": "copper"
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          "name": "SVIN supply voltage",
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        {
          "name": "VSVIN under voltage lockout",
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        {
          "name": "UVLO hysteresis",
          "symbol": "ΔVUVLO",
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          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Measured from VSVIN to GND",
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        {
          "name": "Input overvoltage protection",
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        {
          "name": "Input OVP hysteresis",
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        {
          "name": "Battery discharge current",
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          "conditions": "Shutdown IC, EN=NTC=0",
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          "name": "Input quiescent current",
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          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "Disable Charge, EN=1, NTC=0",
          "source_page": 4,
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        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 1000,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "RDS(ON) of Main N-FET",
          "symbol": "RNFET_M",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 80,
          "max": null,
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        {
          "name": "RDS(ON) of Rectified N-FET",
          "symbol": "RNFET_R",
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          "unit": "mΩ",
          "min": null,
          "typ": 40,
          "max": null,
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        {
          "name": "RDS(ON) of Blocking N-FET",
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          "unit": "mΩ",
          "min": null,
          "typ": 40,
          "max": null,
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        {
          "name": "2-Cell CV charge mode voltage (8.4V)",
          "symbol": "VCV",
          "kind": "electrical",
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          "min": 8.358,
          "typ": 8.4,
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        {
          "name": "2-Cell CV charge mode voltage (8.7V)",
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          "kind": "electrical",
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          "min": 8.656,
          "typ": 8.7,
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        {
          "name": "2-Cell Recharge Voltage",
          "symbol": "ΔVRCH",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": 200,
          "max": 300,
          "conditions": "",
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        {
          "name": "2-cell TC charge mode threshold",
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          "min": 5.4,
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          "conditions": "Rising edge",
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        {
          "name": "CC charge current accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
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          "conditions": "ICC=1000mA",
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        {
          "name": "Trickle charge current accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "ITC=100mA",
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        },
        {
          "name": "Termination current",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA",
          "min": 50,
          "typ": 100,
          "max": 150,
          "conditions": "ICC=1000mA",
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        {
          "name": "Output voltage OVP threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "%VCV",
          "min": 105,
          "typ": 110,
          "max": 115,
          "conditions": "",
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        {
          "name": "Voltage reference of VSEN",
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          "min": 1.171,
          "typ": 1.195,
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        {
          "name": "Trickle current charge timeout",
          "symbol": "TTC",
          "kind": "timing",
          "unit": "hour",
          "min": 0.23,
          "typ": 0.5,
          "max": 0.67,
          "conditions": "CTIM=330nF",
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        {
          "name": "Constant current charge timeout",
          "symbol": "TCC",
          "kind": "timing",
          "unit": "hour",
          "min": 3,
          "typ": 4.5,
          "max": 6,
          "conditions": "",
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        {
          "name": "Output short protection threshold",
          "symbol": "VSHORT",
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          "min": 1.7,
          "typ": 2,
          "max": 2.3,
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        {
          "name": "Bus voltage regulation",
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          "unit": "V",
          "min": 5.8,
          "typ": 6,
          "max": 6.2,
          "conditions": "",
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        {
          "name": "Under temperature protection",
          "symbol": "UTP",
          "kind": "electrical",
          "unit": "%VSVIN",
          "min": 70,
          "typ": 75,
          "max": 80,
          "conditions": "Falling edge",
          "source_page": 5,
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        {
          "name": "Over temperature protection",
          "symbol": "OTP",
          "kind": "electrical",
          "unit": "%VSVIN",
          "min": 28,
          "typ": 30,
          "max": 32,
          "conditions": "Rising edge",
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        {
          "name": "Enable high level",
          "symbol": "VENH",
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          "min": 1.5,
          "typ": null,
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          "name": "Enable low level",
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          "max": 0.4,
          "conditions": "",
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        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "ºC",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "Rising Threshold",
          "source_page": 5,
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        {
          "name": "Pin voltage (STAT, NTC, CV, VSEN, EN, ICHG, BD, BAT, LX, SVIN)",
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          "name": "Pin voltage (SYSRT, TIM, BST-LX)",
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          "name": "LX pin current continuous",
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          "min": null,
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          "max": 5,
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        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
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          "conditions": "TA=25°C, QFN3X3",
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        {
          "name": "Junction temperature range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
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          "name": "Lead temperature",
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          "conditions": "Soldering, 10 sec",
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        {
          "name": "Storage temperature range",
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          "kind": "absolute_maximum",
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          "name": "Thermal resistance junction-ambient",
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          "min": null,
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          "max": null,
          "conditions": "",
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          "name": "SVIN operating voltage",
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          "unit": "V",
          "min": 3.6,
          "typ": null,
          "max": 5.5,
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          "source_page": 3,
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          "name": "Operating pin voltage (STAT, NTC, CV, VSEN, EN, ICHG, BD, BAT, LX)",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 3,
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          "name": "Operating pin voltage (SYSRT, TIM)",
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          "kind": "recommended_operating",
          "unit": "V",
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          "typ": null,
          "max": 3.3,
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        {
          "name": "Operating junction temperature range",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Ambient temperature range",
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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