SY6915RBC

{
  "slug": "sy6915rbc",
  "version": "0.1.0",
  "type": "component",
  "description": "Silergy Corp Battery Management ICs, VQFN-20-EP(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "sy6915rbc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sy6915rbc.kicad_sym",
    "sy6915rbc.kicad_mod",
    "sy6915rbc.glb",
    "sy6915rbc.step",
    "sy6915rbc.lbr",
    "docs/hero.png",
    "docs/sy6915rbc-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sy6915rbc-hero.glb",
    "sy6915rbc-hero.overlay.json",
    "sy6915rbc-etched.glb"
  ],
  "component": {
    "mpn": "SY6915RBC",
    "manufacturer": "Silergy Corp",
    "package": "VQFN-20-EP(3.5x3.5)",
    "pin_count": 21,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4c40a4ab04fb30278de5b167305d7cba.pdf",
    "parts": {
      "symbol": "sy6915rbc.kicad_sym",
      "footprint": "sy6915rbc.kicad_mod",
      "model_3d": "sy6915rbc-hero.glb",
      "model_3d_plain": "sy6915rbc-etched.glb",
      "model_3d_step": "sy6915rbc-etched.step",
      "model_3d_step_plain": "sy6915rbc.step",
      "lbr": "sy6915rbc.lbr"
    },
    "distributor_links": {
      "lcsc": "C3151186"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T16:34:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ACN",
        "type": "input",
        "description": "Adapter current sense negative input."
      },
      {
        "number": "2",
        "name": "ACP",
        "type": "input",
        "description": "Adapter current sense positive input."
      },
      {
        "number": "3",
        "name": "ACCMS",
        "type": "passive",
        "description": "Common source connection for N-channel MOSFET switches."
      },
      {
        "number": "4",
        "name": "ACDRV",
        "type": "output",
        "description": "N-channel blocking MOSFETs driver output."
      },
      {
        "number": "5",
        "name": "ACPRES",
        "type": "output",
        "description": "AC adapter detection open-drain output, pulled high by an external pull-up when ACDET is above 1.8V and VCC is above UVLO, indicating a valid adapter is present to start charge."
      },
      {
        "number": "6",
        "name": "ACDET",
        "type": "input",
        "description": "Adapter detection input set by a resistor divider from the adapter output; above 0.6V with VCC above UVLO, VDD is present and the ACPRES comparator and IMON are active."
      },
      {
        "number": "7",
        "name": "IMON",
        "type": "output",
        "description": "Buffered input or charge current output selectable by SMBus command, with voltage equal to 20 times the differential voltage across the sense resistor."
      },
      {
        "number": "8",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SMBus data I/O, open-drain output requiring an external pull-up resistor per the SMBus specification."
      },
      {
        "number": "9",
        "name": "SCL",
        "type": "input",
        "description": "SMBus clock input requiring an external pull-up resistor per the SMBus specification."
      },
      {
        "number": "10",
        "name": "ILIM",
        "type": "input",
        "description": "Charge current limit input where the minimum of ILIM voltage and DAC limit voltage sets the limit; above 1.6V disables this control, charge is disabled below 75mV and enabled above 105mV."
      },
      {
        "number": "11",
        "name": "BATDRV",
        "type": "output",
        "description": "Charge pump output to drive the N-channel BAT MOSFET."
      },
      {
        "number": "12",
        "name": "ISN",
        "type": "input",
        "description": "Battery charge current sense negative input."
      },
      {
        "number": "13",
        "name": "ISP",
        "type": "input",
        "description": "Battery charge current sense positive input."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "IC ground."
      },
      {
        "number": "15",
        "name": "LDRV",
        "type": "output",
        "description": "Low side MOSFET driver output."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_out",
        "description": "LDO output for the converter power MOSFET drivers; connect at least a 1µF ceramic capacitor to GND."
      },
      {
        "number": "17",
        "name": "BST",
        "type": "power_in",
        "description": "High side power MOSFET driver power supply."
      },
      {
        "number": "18",
        "name": "HDRV",
        "type": "output",
        "description": "High side MOSFET driver output."
      },
      {
        "number": "19",
        "name": "LX",
        "type": "passive",
        "description": "Inductor connecting point."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "IC power supply input; add a 10Ω resistor and a 1µF capacitor to filter inrush current and high frequency noise."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 table lists only pins 1-20. The exposed pad is not given a pin number or listed in the pinou; The datasheet gives no electrical type for ACCMS, LX or BST. They were classed as passive, passive a; The datasheet is an application note marked Rev0.9A and Confidential. The pinout figure text is garb"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0778,
        "at": "2026-10-22T16:23:34"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4c40a4ab04fb30278de5b167305d7cba.pdf",
        "pages": 29,
        "sha256": "9d6ab7bf6c2247ee",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "84b8bb5902c747dc1258034fe34c6fd486e222f1bdb04a05dce44458f1335073",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sy6915rbc-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5232c40851a61f92dc3cc9bb64401fbea3b8ac351bfa937c9295e4d8428cec19",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}