MC33FS6503CAE

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc33fs6503cae",
  "title": "MC33FS6503CAE",
  "brief": "NXP Semicon Power Management Specialized - PMIC, LQFP-48(7x7). 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 ics",
    "mc33fs6503cae",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MC33FS6503CAE",
    "manufacturer": "NXP Semicon",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Power Management ICs",
    "subcategory": "Power Management Specialized - PMIC",
    "datasheet": "https://www.nxp.com/docs/en/data-sheet/FS6500-FS4500-ASILD.pdf",
    "parts": {
      "symbol": "mc33fs6503cae.kicad_sym",
      "footprint": "mc33fs6503cae.kicad_mod",
      "model_3d": "mc33fs6503cae-hero.glb",
      "model_3d_plain": "mc33fs6503cae-etched.glb",
      "model_3d_step": "mc33fs6503cae-etched.step",
      "model_3d_step_plain": "mc33fs6503cae.step",
      "lbr": "mc33fs6503cae.lbr"
    },
    "distributor_links": {
      "lcsc": "C513801",
      "digikey": "568-13812-ND",
      "mouser": "841-MC33FS6503CAE"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T12:36:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "568-13812-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "841-MC33FS6503CAE",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSUP1",
        "type": "power_in",
        "description": "Power supply of the device, requiring an external reverse battery protection diode in series; rated -1.0 to 40 V."
      },
      {
        "number": "2",
        "name": "VSUP2",
        "type": "power_in",
        "description": "Second power supply protected by the same reverse battery diode as VSUP1 and must be connected externally to VSUP1; rated -1.0 to 40 V."
      },
      {
        "number": "3",
        "name": "VSENSE",
        "type": "input",
        "description": "Battery voltage sensing input connected before the reverse battery protection diode through a mandatory series resistor; rated -14 to 40 V."
      },
      {
        "number": "4",
        "name": "VSUP3",
        "type": "power_in",
        "description": "Third device supply, connected between the reverse protection diode and the input PI filter; rated -1.0 to 40 V."
      },
      {
        "number": "5",
        "name": "FS1B",
        "type": "output",
        "description": "Second active-low safety output, open drain, asserted low at start-up and on fault with configurable delay or duration versus FS0B; leave open if unused."
      },
      {
        "number": "6",
        "name": "GND_COM",
        "type": "power_in",
        "description": "Dedicated ground for the physical layers (CAN)."
      },
      {
        "number": "7",
        "name": "CAN_5V",
        "type": "power_out",
        "description": "Output voltage of the regulator supplying the embedded CAN FD interface."
      },
      {
        "number": "8",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CAN bus high line; leave open if the CAN function is not used."
      },
      {
        "number": "9",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CAN bus low line; leave open if the CAN function is not used."
      },
      {
        "number": "10",
        "name": "IO_4",
        "type": "bidirectional",
        "description": "Digital input with wake-up capability (edge or level, load dump proof) or low-side logic-level NMOS gate driver output controlled by SPI."
      },
      {
        "number": "11",
        "name": "IO_5/VKAM",
        "type": "bidirectional",
        "description": "Analog or digital input with selectable wake-up capability, or keep-alive memory supply output in low-power mode."
      },
      {
        "number": "12",
        "name": "IO_0",
        "type": "input",
        "description": "Analog or digital input (load dump proof) with selectable wake-up capability, readable via MUX_OUT or SPI; usually the key on/off signal."
      },
      {
        "number": "13",
        "name": "FCRBM",
        "type": "input",
        "description": "Feedback core resistor bridge monitoring input for the midpoint of a redundant VCORE resistor bridge; connect directly to FB_CORE if not used."
      },
      {
        "number": "14",
        "name": "FS0B",
        "type": "output",
        "description": "First active-low safety output, open drain, asserted low at start-up and when a fault is detected; external pull-up mandatory."
      },
      {
        "number": "15",
        "name": "DEBUG",
        "type": "input",
        "description": "Debug mode entry input, sampled at start-up; rated -0.3 to 40 V."
      },
      {
        "number": "16",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground connection."
      },
      {
        "number": "17",
        "name": "MUX_OUT",
        "type": "output",
        "description": "Multiplexed analog output to an MCU ADC, with the parameter selected through SPI."
      },
      {
        "number": "18",
        "name": "IO_2",
        "type": "input",
        "description": "Logic-level digital input with selectable wake-up capability, readable via SPI and usable to monitor MCU FCCU error signals."
      },
      {
        "number": "19",
        "name": "IO_3",
        "type": "input",
        "description": "Logic-level digital input with selectable wake-up capability, readable via SPI and usable to monitor MCU FCCU error signals."
      },
      {
        "number": "20",
        "name": "TXD",
        "type": "input",
        "description": "CAN transmit data input from the MCU with internal pull-up to VDDIO; leave open if CAN is not used."
      },
      {
        "number": "21",
        "name": "RXD",
        "type": "output",
        "description": "CAN receive data output reporting bus state to the MCU; leave open if CAN is not used."
      },
      {
        "number": "22",
        "name": "VPU_FS",
        "type": "power_out",
        "description": "Pull-up output for the FS1B function, internally attached to VPRE through a reverse diode; rated -0.3 to 8 V."
      },
      {
        "number": "23",
        "name": "n.c.",
        "type": "unconnected",
        "description": "Not connected in the CAN with FS1B variant (RXDL position of the LIN variant)."
      },
      {
        "number": "24",
        "name": "RSTB",
        "type": "bidirectional",
        "description": "Active-low open-drain reset output to the MCU, asserted on safety block failure, with reset input monitored to detect external reset; needs pull-up to VDDIO."
      },
      {
        "number": "25",
        "name": "MISO",
        "type": "output",
        "description": "SPI data output (secondary output), buffer supplied from VDDIO."
      },
      {
        "number": "26",
        "name": "MOSI",
        "type": "input",
        "description": "SPI data input (secondary input)."
      },
      {
        "number": "27",
        "name": "SCLK",
        "type": "input",
        "description": "SPI serial clock input."
      },
      {
        "number": "28",
        "name": "NCS",
        "type": "input",
        "description": "SPI chip select input, active low."
      },
      {
        "number": "29",
        "name": "INTB",
        "type": "output",
        "description": "Interrupt output generating a configurable-duration low pulse on interrupt, with internal pull-up to VDDIO."
      },
      {
        "number": "30",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Input voltage for the MISO output buffer for MCU I/O voltage compatibility; rated -0.3 to 8 V."
      },
      {
        "number": "31",
        "name": "SELECT",
        "type": "input",
        "description": "Hardware selection pin setting VAUX and VCCA output voltages (3.3 V or 5.0 V) via a resistor to ground or VPRE."
      },
      {
        "number": "32",
        "name": "FB_CORE",
        "type": "input",
        "description": "VCORE voltage feedback input of the error amplifier; rated -0.3 to 2.5 V."
      },
      {
        "number": "33",
        "name": "COMP_CORE",
        "type": "output",
        "description": "Compensation network connection at the VCORE error amplifier output for the FS6500 SMPS."
      },
      {
        "number": "34",
        "name": "VCORE_SNS",
        "type": "input",
        "description": "VCORE input voltage sense; rated 0 to 8 V."
      },
      {
        "number": "35",
        "name": "SW_CORE",
        "type": "output",
        "description": "VCORE switching output point of the FS6500 step-down converter."
      },
      {
        "number": "36",
        "name": "BOOT_CORE",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the VCORE internal NMOS gate drive; rated 0 to 15 V."
      },
      {
        "number": "37",
        "name": "VPRE",
        "type": "power_in",
        "description": "VPRE input voltage sense and pre-regulator output (typ 6.5 V); rated -0.3 to 8 V."
      },
      {
        "number": "38",
        "name": "VAUX",
        "type": "output",
        "description": "VAUX output voltage, collector connection of the external PNP ballast transistor."
      },
      {
        "number": "39",
        "name": "VAUX_B",
        "type": "output",
        "description": "VAUX regulator base drive for the external PNP ballast transistor."
      },
      {
        "number": "40",
        "name": "VAUX_E",
        "type": "output",
        "description": "VAUX regulator emitter connection of the external PNP ballast transistor."
      },
      {
        "number": "41",
        "name": "VCCA_E",
        "type": "output",
        "description": "VCCA regulator emitter connection of the external PNP ballast transistor."
      },
      {
        "number": "42",
        "name": "VCCA_B",
        "type": "output",
        "description": "VCCA regulator base drive for the external PNP ballast transistor."
      },
      {
        "number": "43",
        "name": "VCCA",
        "type": "power_in",
        "description": "VCCA output voltage (5.0 V or 3.3 V selectable), collector connection of the external PNP ballast transistor."
      },
      {
        "number": "44",
        "name": "GATE_LS",
        "type": "output",
        "description": "Low-side MOSFET gate drive for non-inverting buck-boost configuration; connect to PGND for standard buck."
      },
      {
        "number": "45",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground connection."
      },
      {
        "number": "46",
        "name": "BOOT_PRE",
        "type": "passive",
        "description": "Bootstrap capacitor connection for the VPRE internal NMOS gate drive; rated -1.0 to 50 V."
      },
      {
        "number": "47",
        "name": "SW_PRE2",
        "type": "output",
        "description": "Second pre-regulator output switching point; rated -1.0 to 40 V."
      },
      {
        "number": "48",
        "name": "SW_PRE1",
        "type": "output",
        "description": "First pre-regulator output switching point; rated -1.0 to 40 V."
      }
    ],
    "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: Part number decoded as FS6503C (6 series, x=0, y=3 FS1B+LDT, z=C CAN FD, AE = China backend), so Fig; Exposed pad is mentioned only in the package description (48-pin LQFP exposed pad). No pin-table ent; Pin 23 is n.c. in Figure 5, but Table 3 lists RXDL for it (LIN variant). It was treated as n.c. for "
        ],
        "pages_sent": 36,
        "cost_usd": 0.4283,
        "at": "2026-10-31T12:35:59"
      },
      "datasheet": {
        "url": "https://www.nxp.com/docs/en/data-sheet/FS6500-FS4500-ASILD.pdf",
        "pages": 161,
        "sha256": "39f5c318b818b984",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mc33fs6503cae.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc33fs6503cae-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "33eccd5f59a5c4c6e5026e8dc668285a07e8584cdb166ed13b697a941a926a40",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "AE (98ASA00173D / SOT1571-1)",
      "source_page": 141,
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "mc33fs6503cae.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NXP Semicon",
      "Package": "LQFP-48(7x7)",
      "Category": "Power Management ICs",
      "Pins": "48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "39f5c318b818b9848264dc8de6c18c924f7780cee52459e91f31bc1325fb14af",
      "rows": [
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "JESD51-6, board JESD51-7 horizontal",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to case top",
          "symbol": "RθJCTOP",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 23.8,
          "max": null,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to case bottom",
          "symbol": "RθJCBOTTOM",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.9,
          "max": null,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Power supply current in normal mode",
          "symbol": "ISUP123",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Power supply current for VSUP3 in normal mode",
          "symbol": "ISUP3",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": 5,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Supply current in LPOFF",
          "symbol": "ISUP_LPOFF1",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 32,
          "max": null,
          "conditions": "VSUP = 14 V at TA = 25 °C",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Supply current in LPOFF",
          "symbol": "ISUP_LPOFF2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 42,
          "max": 60,
          "conditions": "VSUP = 18 V at TA = 80 °C",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Power supply undervoltage warning",
          "symbol": "VSNS_UV",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": 8,
          "max": 9,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "IPFF input voltage detection",
          "symbol": "VSUP_IPFF",
          "kind": "electrical",
          "unit": "V",
          "min": 21,
          "typ": null,
          "max": 27,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Power supply undervoltage lockout (power up)",
          "symbol": "VSUP_UV_7",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Power supply undervoltage lockout (power up)",
          "symbol": "VSUP_UV_5",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.6,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Power supply undervoltage lockout falling, boost",
          "symbol": "VSUP_UV_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.7,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VPRE output voltage, buck mode",
          "symbol": "VPRE",
          "kind": "electrical",
          "unit": "V",
          "min": 6.25,
          "typ": null,
          "max": 6.75,
          "conditions": "Buck mode (VSUP > VSUP_UV_7)",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VPRE output voltage, boost mode",
          "symbol": "VPRE",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": 7,
          "conditions": "Boost mode (VSUP ≥ 2.7 V)",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VPRE max output current, buck or boost",
          "symbol": "IPRE",
          "kind": "electrical",
          "unit": "A",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Buck or boost with VSUP > VSUP_UV_7",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "SW_PRE current limitation buck-boost",
          "symbol": "IPRE_LIM1",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "VSUP ≤ 28 V",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "SW_PRE current limitation buck",
          "symbol": "IPRE_LIM2",
          "kind": "electrical",
          "unit": "A",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "VSUP ≤ 28 V",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VPRE undervoltage detection threshold",
          "symbol": "VPRE_UV",
          "kind": "electrical",
          "unit": "V",
          "min": 5.5,
          "typ": null,
          "max": 6,
          "conditions": "falling",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VPRE pass transistor on resistance",
          "symbol": "RDSON_PRE",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "VSUP ≤ 28 V",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VCORE feedback input voltage",
          "symbol": "VCORE_FB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.784,
          "typ": 0.8,
          "max": 0.816,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VCORE output current capability, FS650x",
          "symbol": "ICORE",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "normal mode, FS650x",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VCORE output current limitation, FS650x",
          "symbol": "ICORE_LIM",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": null,
          "max": 2,
          "conditions": "FS650x",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VCORE pass transistor on resistance",
          "symbol": "RDSON_CORE",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VCCA output voltage 5.0 V config",
          "symbol": "VCCA",
          "kind": "electrical",
          "unit": "V",
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