ADBMS1818ASWAZ-R7

{
  "slug": "adbms1818aswaz-r7",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Battery Management, LQFP-64-EP(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "adbms1818aswaz-r7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adbms1818aswaz-r7.kicad_sym",
    "adbms1818aswaz-r7.kicad_mod",
    "adbms1818aswaz-r7.glb",
    "adbms1818aswaz-r7.step",
    "adbms1818aswaz-r7.lbr",
    "docs/hero.png",
    "docs/adbms1818aswaz-r7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adbms1818aswaz-r7-hero.glb",
    "adbms1818aswaz-r7-hero.overlay.json",
    "adbms1818aswaz-r7-etched.glb"
  ],
  "component": {
    "mpn": "ADBMS1818ASWAZ-R7",
    "manufacturer": "Analog Devices",
    "package": "LQFP-64-EP(10x10)",
    "pin_count": 65,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600620513408393216",
    "parts": {
      "symbol": "adbms1818aswaz-r7.kicad_sym",
      "footprint": "adbms1818aswaz-r7.kicad_mod",
      "model_3d": "adbms1818aswaz-r7-hero.glb",
      "model_3d_plain": "adbms1818aswaz-r7-etched.glb",
      "model_3d_step": "adbms1818aswaz-r7-etched.step",
      "model_3d_step_plain": "adbms1818aswaz-r7.step",
      "lbr": "adbms1818aswaz-r7.lbr"
    },
    "distributor_links": {
      "lcsc": "C7455595",
      "digikey": "505-ADBMS1818ASWAZ-R7TR-ND",
      "mouser": "584-ADBMS1818ASWAZR7"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T10:26:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADBMS1818ASWAZ-R7TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "584-ADBMS1818ASWAZR7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply pin; total supply voltage V+ to V- is rated to 112.5 V absolute maximum."
      },
      {
        "number": "2",
        "name": "C0",
        "type": "input",
        "description": "Cell input C0; input voltage relative to V- is limited to -0.3 V to +6 V."
      },
      {
        "number": "3",
        "name": "S1",
        "type": "passive",
        "description": "Balance input/output S1, connected through an internal N-channel discharge MOSFET between S1 and C0; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 1."
      },
      {
        "number": "4",
        "name": "C1",
        "type": "input",
        "description": "Cell input C1; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 1."
      },
      {
        "number": "5",
        "name": "S2",
        "type": "passive",
        "description": "Balance input/output S2, connected through an internal N-channel discharge MOSFET between S2 and C1; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 2."
      },
      {
        "number": "6",
        "name": "C2",
        "type": "input",
        "description": "Cell input C2; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 2."
      },
      {
        "number": "7",
        "name": "S3",
        "type": "passive",
        "description": "Balance input/output S3, connected through an internal N-channel discharge MOSFET between S3 and C2; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 3."
      },
      {
        "number": "8",
        "name": "C3",
        "type": "input",
        "description": "Cell input C3; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 3."
      },
      {
        "number": "9",
        "name": "S4",
        "type": "passive",
        "description": "Balance input/output S4, connected through an internal N-channel discharge MOSFET between S4 and C3; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 4."
      },
      {
        "number": "10",
        "name": "C4",
        "type": "input",
        "description": "Cell input C4; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 4."
      },
      {
        "number": "11",
        "name": "S5",
        "type": "passive",
        "description": "Balance input/output S5, connected through an internal N-channel discharge MOSFET between S5 and C4; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 5."
      },
      {
        "number": "12",
        "name": "C5",
        "type": "input",
        "description": "Cell input C5; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 5."
      },
      {
        "number": "13",
        "name": "S6",
        "type": "passive",
        "description": "Balance input/output S6, connected through an internal N-channel discharge MOSFET between S6 and C5; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 6."
      },
      {
        "number": "14",
        "name": "C6",
        "type": "input",
        "description": "Cell input C6; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 6."
      },
      {
        "number": "15",
        "name": "S7",
        "type": "passive",
        "description": "Balance input/output S7, connected through an internal N-channel discharge MOSFET between S7 and C6; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 7."
      },
      {
        "number": "16",
        "name": "C7",
        "type": "input",
        "description": "Cell input C7; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 7."
      },
      {
        "number": "17",
        "name": "S8",
        "type": "passive",
        "description": "Balance input/output S8, connected through an internal N-channel discharge MOSFET between S8 and C7; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 8."
      },
      {
        "number": "18",
        "name": "C8",
        "type": "input",
        "description": "Cell input C8; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 8."
      },
      {
        "number": "19",
        "name": "S9",
        "type": "passive",
        "description": "Balance input/output S9, connected through an internal N-channel discharge MOSFET between S9 and C8; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 9."
      },
      {
        "number": "20",
        "name": "C9",
        "type": "input",
        "description": "Cell input C9; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 9."
      },
      {
        "number": "21",
        "name": "S10",
        "type": "passive",
        "description": "Balance input/output S10, connected through an internal N-channel discharge MOSFET between S10 and C9; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 10."
      },
      {
        "number": "22",
        "name": "C10",
        "type": "input",
        "description": "Cell input C10; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 10."
      },
      {
        "number": "23",
        "name": "S11",
        "type": "passive",
        "description": "Balance input/output S11, connected through an internal N-channel discharge MOSFET between S11 and C10; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 11."
      },
      {
        "number": "24",
        "name": "C11",
        "type": "input",
        "description": "Cell input C11; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 11."
      },
      {
        "number": "25",
        "name": "S12",
        "type": "passive",
        "description": "Balance input/output S12, connected through an internal N-channel discharge MOSFET between S12 and C11; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 12."
      },
      {
        "number": "26",
        "name": "C12",
        "type": "input",
        "description": "Cell input C12; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 12."
      },
      {
        "number": "27",
        "name": "S13",
        "type": "passive",
        "description": "Balance input/output S13, connected through an internal N-channel discharge MOSFET between S13 and C12; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 13."
      },
      {
        "number": "28",
        "name": "C13",
        "type": "input",
        "description": "Cell input C13; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 13."
      },
      {
        "number": "29",
        "name": "S14",
        "type": "passive",
        "description": "Balance input/output S14, connected through an internal N-channel discharge MOSFET between S14 and C13; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 14."
      },
      {
        "number": "30",
        "name": "C14",
        "type": "input",
        "description": "Cell input C14; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 14."
      },
      {
        "number": "31",
        "name": "S15",
        "type": "passive",
        "description": "Balance input/output S15, connected through an internal N-channel discharge MOSFET between S15 and C14; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 15."
      },
      {
        "number": "32",
        "name": "C15",
        "type": "input",
        "description": "Cell input C15; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 15."
      },
      {
        "number": "33",
        "name": "S16",
        "type": "passive",
        "description": "Balance input/output S16, connected through an internal N-channel discharge MOSFET between S16 and C15; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 16."
      },
      {
        "number": "34",
        "name": "C16",
        "type": "input",
        "description": "Cell input C16; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 16."
      },
      {
        "number": "35",
        "name": "S17",
        "type": "passive",
        "description": "Balance input/output S17, connected through an internal N-channel discharge MOSFET between S17 and C16; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 17."
      },
      {
        "number": "36",
        "name": "C17",
        "type": "input",
        "description": "Cell input C17; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 17."
      },
      {
        "number": "37",
        "name": "S18",
        "type": "passive",
        "description": "Balance input/output S18, connected through an internal N-channel discharge MOSFET between S18 and C17; input voltage relative to V- is limited to -0.3 V to MIN(8 x n, 112.5 V) with n = 18."
      },
      {
        "number": "38",
        "name": "C18",
        "type": "input",
        "description": "Cell input C18; input voltage relative to V- is limited to -0.3 V to MIN(V+ + 5.5 V, 112.5 V)."
      },
      {
        "number": "39",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
      },
      {
        "number": "40",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
      },
      {
        "number": "41",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input (range V- to 5 V), and can also serve as an I2C or SPI port."
      },
      {
        "number": "42",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input (range V- to 5 V), and can also serve as an I2C or SPI port."
      },
      {
        "number": "43",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input (range V- to 5 V), and can also serve as an I2C or SPI port."
      },
      {
        "number": "44",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
      },
      {
        "number": "45",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
      },
      {
        "number": "46",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
      },
      {
        "number": "47",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General-purpose I/O usable as digital input, digital output, or analog input with a measurement range from V- to 5 V."
      },
      {
        "number": "48",
        "name": "VREG",
        "type": "power_out",
        "description": "5 V regulator pin; bypass with an external 1 uF capacitor."
      },
      {
        "number": "49",
        "name": "DRIVE",
        "type": "output",
        "description": "Drive pin for an external NPN transistor: connect its base to DRIVE, collector to V+, and emitter to VREG."
      },
      {
        "number": "50",
        "name": "VREF2",
        "type": "power_out",
        "description": "Buffered second reference voltage for driving multiple 10 kOhm thermistors; bypass with an external 1 uF capacitor."
      },
      {
        "number": "51",
        "name": "VREF1",
        "type": "power_out",
        "description": "ADC reference voltage; bypass with an external 1 uF capacitor and no DC loads are allowed."
      },
      {
        "number": "52",
        "name": "DTEN",
        "type": "input",
        "description": "Discharge timer enable; connect to VREG to enable the discharge timer."
      },
      {
        "number": "53",
        "name": "SDI",
        "type": "input",
        "description": "4-wire SPI serial data input (digital input); in isoSPI mode (ISOMD tied to VREG) this pin is not used."
      },
      {
        "number": "54",
        "name": "SDO",
        "type": "output",
        "description": "4-wire SPI serial data output, an open-drain NMOS output that requires a 5 kOhm pull-up resistor."
      },
      {
        "number": "55",
        "name": "ISOMD",
        "type": "input",
        "description": "Serial interface mode select: tie to VREG for 2-wire isoSPI mode or to V- for 4-wire SPI mode."
      },
      {
        "number": "56",
        "name": "WDT",
        "type": "output",
        "description": "Watchdog timer output, an open-drain NMOS; it goes high impedance if no valid command is received within 2 seconds, and may be left disconnected or pulled to VREG through 1 MOhm."
      },
      {
        "number": "57",
        "name": "IBIAS",
        "type": "passive",
        "description": "Isolated interface current bias; tie through a resistor divider to V- to set the output current, with the pin at 2 V when isoSPI is enabled and IPA/IMA or IPB/IMB drive set to 20 times IB."
      },
      {
        "number": "58",
        "name": "ICMP",
        "type": "passive",
        "description": "Isolated interface comparator threshold set; tie to a resistor divider between IBIAS and V- so the receiver thresholds equal half the ICMP voltage."
      },
      {
        "number": "59",
        "name": "V–",
        "type": "power_in",
        "description": "Negative supply pin; V- pins 59 and 60 must be shorted together externally to the IC."
      },
      {
        "number": "60",
        "name": "V–",
        "type": "power_in",
        "description": "Negative supply pin; V- pins 59 and 60 must be shorted together externally to the IC."
      },
      {
        "number": "61",
        "name": "IMA",
        "type": "bidirectional",
        "description": "Isolated 2-wire serial interface port A negative terminal; IMA and IPA form a differential input/output pair."
      },
      {
        "number": "62",
        "name": "IPA",
        "type": "bidirectional",
        "description": "Isolated 2-wire serial interface port A positive terminal; IPA and IMA form a differential input/output pair."
      },
      {
        "number": "63",
        "name": "IMB",
        "type": "bidirectional",
        "description": "Isolated 2-wire serial interface port B negative terminal; IMB and IPB form a differential input/output pair."
      },
      {
        "number": "64",
        "name": "IPB",
        "type": "bidirectional",
        "description": "Isolated 2-wire serial interface port B positive terminal; IPB and IMB form a differential input/output pair."
      },
      {
        "number": "65",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed pad (V-) that must be soldered to the PCB and connected to the V- plane for thermal management."
      }
    ],
    "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: Package mismatch: the package hint says LQFP-64-EP (10x10), but the ordering guide lists ADBMS1818AS; Pins 53, 54, 61 and 62 are assigned differently in Table 14 and Table 15. Table 14 lists SDI, SDO, C; Pin 53 SDI and pin 54 SDO follow the Table 14 order; the Table 15 ISOMD=V- column suggests pin 53 = ",
          "30/65 pins cited to the wrong page (name found elsewhere): ['10:C4@p12', '11:S5@p12', '12:C5@p12', '13:S6@p12']"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1017,
        "at": "2026-10-19T10:25:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600620513408393216",
        "pages": 92,
        "sha256": "36b07646ed2930be",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "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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          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dde48e46dd3f1a46fe776b812b79969568eaeab6936a6859662cd3193f2cd505",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adbms1818aswaz-r7-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": "d74ff7052f354f59522d855bcdb474c7976d14033f12fce1a63bab7731623c0f",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}