LTC6813HLWE-1#3ZZPBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "ltc6813hlwe-1-3zzpbf",
  "title": "LTC6813HLWE-1#3ZZPBF",
  "brief": "Analog Devices Battery Management, LQFP-64-EP(10x10). 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)",
    "ltc6813hlwe-1#3zzpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LTC6813HLWE-1#3ZZPBF",
    "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/8588904098623574016",
    "parts": {
      "symbol": "ltc6813hlwe-1-3zzpbf.kicad_sym",
      "footprint": "ltc6813hlwe-1-3zzpbf.kicad_mod",
      "model_3d": "ltc6813hlwe-1-3zzpbf-hero.glb",
      "model_3d_plain": "ltc6813hlwe-1-3zzpbf-etched.glb",
      "model_3d_step": "ltc6813hlwe-1-3zzpbf-etched.step",
      "model_3d_step_plain": "ltc6813hlwe-1-3zzpbf.step",
      "lbr": "ltc6813hlwe-1-3zzpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C2758259",
      "digikey": "LTC6813HLWE-1#3ZZPBF-ND",
      "mouser": "584-6813HLWE13ZZPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T22:38:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LTC6813HLWE-1#3ZZPBF-ND",
        "status": "found",
        "lifecycle": "Discontinued at DigiKey"
      },
      "mouser": {
        "pn": "584-6813HLWE13ZZPBF",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply pin; absolute maximum V+ to V- is 112.5V and V+ to C12 is 50V."
      },
      {
        "number": "2",
        "name": "C18",
        "type": "input",
        "description": "Cell input for the top cell of the stack; C18 to V- is limited to -0.3V to MIN(V+ + 5.5V, 112.5V) and C18 to C15 to 21V."
      },
      {
        "number": "3",
        "name": "S18",
        "type": "bidirectional",
        "description": "Balance input/output for cell 18; an internal N-MOSFET between S18 and C17 discharges the cell, with S(n) limited to -0.3V to MIN(8·n, 112.5V) relative to V-."
      },
      {
        "number": "4",
        "name": "C17",
        "type": "input",
        "description": "Cell input C17, with C(n) to C(n-1) limited to 8V and C(n) to V- limited to MIN(8·n, 112.5V)."
      },
      {
        "number": "5",
        "name": "S17",
        "type": "bidirectional",
        "description": "Balance input/output for cell 17, connected through an internal N-MOSFET between S17 and C16 for cell discharge."
      },
      {
        "number": "6",
        "name": "C16",
        "type": "input",
        "description": "Cell input C16, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "7",
        "name": "S16",
        "type": "bidirectional",
        "description": "Balance input/output for cell 16, connected through an internal N-MOSFET between S16 and C15 for cell discharge."
      },
      {
        "number": "8",
        "name": "C15",
        "type": "input",
        "description": "Cell input C15, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "9",
        "name": "S15",
        "type": "bidirectional",
        "description": "Balance input/output for cell 15, connected through an internal N-MOSFET between S15 and C14 for cell discharge."
      },
      {
        "number": "10",
        "name": "C14",
        "type": "input",
        "description": "Cell input C14, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "11",
        "name": "S14",
        "type": "bidirectional",
        "description": "Balance input/output for cell 14, connected through an internal N-MOSFET between S14 and C13 for cell discharge."
      },
      {
        "number": "12",
        "name": "C13",
        "type": "input",
        "description": "Cell input C13, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "13",
        "name": "S13",
        "type": "bidirectional",
        "description": "Balance input/output for cell 13, connected through an internal N-MOSFET between S13 and C12 for cell discharge."
      },
      {
        "number": "14",
        "name": "C12",
        "type": "input",
        "description": "Cell input C12, with C(n) to C(n-1) limited to 8V; V+ to C12 is limited to 50V."
      },
      {
        "number": "15",
        "name": "S12",
        "type": "bidirectional",
        "description": "Balance input/output for cell 12, connected through an internal N-MOSFET between S12 and C11 for cell discharge."
      },
      {
        "number": "16",
        "name": "C11",
        "type": "input",
        "description": "Cell input C11, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "17",
        "name": "S11",
        "type": "bidirectional",
        "description": "Balance input/output for cell 11, connected through an internal N-MOSFET between S11 and C10 for cell discharge."
      },
      {
        "number": "18",
        "name": "C10",
        "type": "input",
        "description": "Cell input C10, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "19",
        "name": "S10",
        "type": "bidirectional",
        "description": "Balance input/output for cell 10, connected through an internal N-MOSFET between S10 and C9 for cell discharge."
      },
      {
        "number": "20",
        "name": "C9",
        "type": "input",
        "description": "Cell input C9, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "21",
        "name": "S9",
        "type": "bidirectional",
        "description": "Balance input/output for cell 9, connected through an internal N-MOSFET between S9 and C8 for cell discharge."
      },
      {
        "number": "22",
        "name": "C8",
        "type": "input",
        "description": "Cell input C8, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "23",
        "name": "S8",
        "type": "bidirectional",
        "description": "Balance input/output for cell 8, connected through an internal N-MOSFET between S8 and C7 for cell discharge."
      },
      {
        "number": "24",
        "name": "C7",
        "type": "input",
        "description": "Cell input C7, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "25",
        "name": "S7",
        "type": "bidirectional",
        "description": "Balance input/output for cell 7, connected through an internal N-MOSFET between S7 and C6 for cell discharge."
      },
      {
        "number": "26",
        "name": "C6",
        "type": "input",
        "description": "Cell input C6, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "27",
        "name": "S6",
        "type": "bidirectional",
        "description": "Balance input/output for cell 6, connected through an internal N-MOSFET between S6 and C5 for cell discharge."
      },
      {
        "number": "28",
        "name": "C5",
        "type": "input",
        "description": "Cell input C5, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "29",
        "name": "S5",
        "type": "bidirectional",
        "description": "Balance input/output for cell 5, connected through an internal N-MOSFET between S5 and C4 for cell discharge."
      },
      {
        "number": "30",
        "name": "C4",
        "type": "input",
        "description": "Cell input C4, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "31",
        "name": "S4",
        "type": "bidirectional",
        "description": "Balance input/output for cell 4, connected through an internal N-MOSFET between S4 and C3 for cell discharge."
      },
      {
        "number": "32",
        "name": "C3",
        "type": "input",
        "description": "Cell input C3, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "33",
        "name": "S3",
        "type": "bidirectional",
        "description": "Balance input/output for cell 3, connected through an internal N-MOSFET between S3 and C2 for cell discharge."
      },
      {
        "number": "34",
        "name": "C2",
        "type": "input",
        "description": "Cell input C2, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "35",
        "name": "S2",
        "type": "bidirectional",
        "description": "Balance input/output for cell 2, connected through an internal N-MOSFET between S2 and C1 for cell discharge."
      },
      {
        "number": "36",
        "name": "C1",
        "type": "input",
        "description": "Cell input C1, with C(n) to C(n-1) limited to 8V."
      },
      {
        "number": "37",
        "name": "S1",
        "type": "bidirectional",
        "description": "Balance input/output for cell 1, connected through an internal N-MOSFET between S1 and C0 for cell discharge."
      },
      {
        "number": "38",
        "name": "C0",
        "type": "input",
        "description": "Cell input C0 (bottom of stack reference); absolute input voltage relative to V- is -0.3V to 6V."
      },
      {
        "number": "39",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V."
      },
      {
        "number": "40",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V."
      },
      {
        "number": "41",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V; can serve as part of an I2C or SPI port."
      },
      {
        "number": "42",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V; can serve as part of an I2C or SPI port."
      },
      {
        "number": "43",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V; can serve as part of an I2C or SPI port."
      },
      {
        "number": "44",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V."
      },
      {
        "number": "45",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V."
      },
      {
        "number": "46",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V."
      },
      {
        "number": "47",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General purpose I/O usable as digital input or output, or as an analog input with measurement range V- to 5V."
      },
      {
        "number": "48",
        "name": "VREG",
        "type": "power_out",
        "description": "5V regulator pin; bypass with an external 1μF capacitor."
      },
      {
        "number": "49",
        "name": "DRIVE",
        "type": "output",
        "description": "Base drive for an external NPN whose collector connects to V+ and emitter to VREG; absolute maximum voltage is -0.3V to 7V."
      },
      {
        "number": "50",
        "name": "VREF2",
        "type": "power_out",
        "description": "Buffered second reference voltage for driving multiple 10k thermistors; bypass with an external 1μF capacitor."
      },
      {
        "number": "51",
        "name": "VREF1",
        "type": "passive",
        "description": "ADC reference voltage; bypass with an external 1μF capacitor and allow no DC loads."
      },
      {
        "number": "52",
        "name": "DTEN",
        "type": "input",
        "description": "Discharge timer enable; connect to VREG to enable the discharge timer."
      },
      {
        "number": "53",
        "name": "SDI (NC)",
        "type": "input",
        "description": "Serial data in for 4-wire SPI when ISOMD is tied to V-; when ISOMD is tied to VREG this pin is not connected."
      },
      {
        "number": "54",
        "name": "SDO (NC)",
        "type": "output",
        "description": "Serial data out, an open-drain NMOS output requiring a 5k pull-up resistor when ISOMD is tied to V-; not connected when ISOMD is tied to VREG."
      },
      {
        "number": "55",
        "name": "ISOMD",
        "type": "input",
        "description": "Serial interface mode select: connect 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 that can be left unconnected or pulled to VREG through 1M; goes high impedance if no valid command is received within 2 seconds."
      },
      {
        "number": "57",
        "name": "IBIAS",
        "type": "passive",
        "description": "isoSPI current bias; tie to V- through a resistor divider so that IBIAS is 2V when isoSPI is enabled and the driver output current is 20 times the IBIAS current."
      },
      {
        "number": "58",
        "name": "ICMP",
        "type": "passive",
        "description": "isoSPI comparator threshold set; tie to a resistor divider between IBIAS and V- so receiver comparator thresholds are half the ICMP voltage."
      },
      {
        "number": "59",
        "name": "V–",
        "type": "power_in",
        "description": "Negative supply pin; V- pins must be shorted together externally to the IC."
      },
      {
        "number": "60",
        "name": "V–",
        "type": "power_in",
        "description": "Negative supply pin; V- pins must be shorted together externally to the IC, and this pin is marked as one that must be connected to V-."
      },
      {
        "number": "61",
        "name": "CSB (IMA)",
        "type": "bidirectional",
        "description": "Active-low chip select (CSB) input when ISOMD is tied to V-; isoSPI Port A minus (IMA) differential pin when ISOMD is tied to VREG."
      },
      {
        "number": "62",
        "name": "SCK (IPA)",
        "type": "bidirectional",
        "description": "Serial clock (SCK) input when ISOMD is tied to V-; isoSPI Port A plus (IPA) differential pin when ISOMD is tied to VREG."
      },
      {
        "number": "63",
        "name": "IMB",
        "type": "bidirectional",
        "description": "isoSPI Port B minus (IMB) differential input/output pin."
      },
      {
        "number": "64",
        "name": "IPB",
        "type": "bidirectional",
        "description": "isoSPI Port B plus (IPB) differential input/output pin."
      },
      {
        "number": "65",
        "name": "V–",
        "type": "power_in",
        "description": "Exposed pad, which is V- and must be soldered to the PCB."
      }
    ],
    "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 extracted pin map lists 'V–', 'V–' and a separate '**' marker in that position, so one of pins 5; Function depends on ISOMD: with ISOMD tied to V– these are SDI, SDO, CSB, SCK (4-wire SPI); with ISO; The pin-function table gives the Port B pins 57, 58, 63, 64 as IPB, IMB, ICMP, IBIAS, but the mappin",
          "1/65 pins cited to the wrong page (name found elsewhere): ['65:V–@p15']"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1056,
        "at": "2026-10-20T22:35:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904098623574016",
        "pages": 90,
        "sha256": "8750492fd8f364bf",
        "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": [
      {
        "file": "ltc6813hlwe-1-3zzpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dde48e46dd3f1a46fe776b812b79969568eaeab6936a6859662cd3193f2cd505",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc6813hlwe-1-3zzpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e57aba4a89af25f52142dff923f0c63bc733b30920139b588c871f5ea318c9cc",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "LQFP-64-EP(10x10)",
      "Category": "Power Management (PMIC)",
      "Pins": "65"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8750492fd8f364bf162267ff3e57a2d6151c205c4d556688ea95e045a32fa479",
      "rows": [
        {
          "name": "Total Supply Voltage V+ to V–",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 112.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (Relative to C12) V+ to C12",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage C0 (relative to V–)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage C18 (relative to V–)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as MIN (V+ + 5.5V, 112.5V)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage C(n), S(n) (relative to V–)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as MIN (8 • n, 112.5V)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage IPA, IMA, IPB, IMB (relative to V–)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VREG + 0.3V, ≤ 6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage DRIVE",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage All Other Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage Between Inputs C(n) to C(n–1), S(n) to C(n–1)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage Between Inputs C18 to C15, C15 to C12, C12 to C9, C9 to C6, C6 to C3, C3 to C0",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 21,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current In/Out of Pins (all except VREG, IPA, IMA, IPB, IMB, C(n), S(n))",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current In/Out of IPA, IMA, IPB, IMB",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
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          "name": "Watch Dog Timer Pin Low",
          "symbol": "VOL(WDT)",
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          "typ": null,
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          "min": null,
          "typ": null,
          "max": 0.8,
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          "min": 2.7,
          "typ": null,
          "max": null,
          "conditions": "Pins ISOMD, DTEN, GPIO1 to GPIO9, over temperature range",
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          "unit": "µA",
          "min": -1,
          "typ": null,
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          "name": "Discharge Switch ON Resistance",
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          "min": null,
          "typ": 4,
          "max": 10,
          "conditions": "VCELL = 3.6V, over temperature range",
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          "min": -250,
          "typ": null,
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          "source_page": 5,
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          "unit": "V",
          "min": 0,
          "typ": null,
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          "name": "Total Measurement Error (TME) in Normal Mode",
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          "typ": null,
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          "min": 834,
          "typ": 1121,
          "max": 1191,
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          "source_page": 6,
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          "typ": null,
          "max": 1,
          "conditions": "RBIAS = 2k to 20k, over temperature range",
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