component
MC33FS6523NAE
Public Made by Adomby adom
NXP Semicon Power Management Specialized - PMIC, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "mc33fs6523nae",
"title": "MC33FS6523NAE",
"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",
"mc33fs6523nae",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MC33FS6523NAE",
"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": "mc33fs6523nae.kicad_sym",
"footprint": "mc33fs6523nae.kicad_mod",
"model_3d": "mc33fs6523nae-hero.glb",
"model_3d_plain": "mc33fs6523nae-etched.glb",
"model_3d_step": "mc33fs6523nae-etched.step",
"model_3d_step_plain": "mc33fs6523nae.step",
"lbr": "mc33fs6523nae.lbr"
},
"distributor_links": {
"lcsc": "C1575126",
"digikey": "568-MC33FS6523NAE-ND",
"mouser": "841-MC33FS6523NAE"
},
"distributor_check": {
"checked_at": "2026-10-30T22:59:56Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "568-MC33FS6523NAE-ND",
"status": "found"
},
"mouser": {
"pn": "841-MC33FS6523NAE",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VSUP1",
"type": "power_in",
"description": "Device power supply behind a mandatory external reverse battery protection diode, to be tied to VSUP2; absolute maximum -1.0 to 40 V."
},
{
"number": "2",
"name": "VSUP2",
"type": "power_in",
"description": "Second supply input protected by the same reverse battery diode as VSUP1 and connected to VSUP1 externally."
},
{
"number": "3",
"name": "VSENSE",
"type": "input",
"description": "Battery voltage sensing input connected before the reverse battery diode through a mandatory series resistor; -14 to 40 V."
},
{
"number": "4",
"name": "VSUP3",
"type": "power_in",
"description": "Third device supply input, connected between the reverse protection diode and the input PI filter."
},
{
"number": "5",
"name": "FS1B",
"type": "output",
"description": "Second active-low open-drain safety output, asserted low at start-up and on fault with configurable delay or duration versus FS0B."
},
{
"number": "6",
"name": "GND_COM",
"type": "power_in",
"description": "Dedicated ground for the physical layers."
},
{
"number": "7",
"name": "CAN_5V",
"type": "power_out",
"description": "Output voltage of the embedded CAN FD interface regulator."
},
{
"number": "8",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected (no CAN physical interface on this variant; CANH position)."
},
{
"number": "9",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected (no CAN physical interface on this variant; CANL position)."
},
{
"number": "10",
"name": "IO_4",
"type": "bidirectional",
"description": "Load-dump-proof digital input with wake-up capability or low-side logic-level NMOS gate driver output controlled by SPI; use a series resistor, -0.3 to 40 V."
},
{
"number": "11",
"name": "IO_5/VKAM",
"type": "bidirectional",
"description": "Digital/analog input with wake-up capability or keep-alive memory supply output in low-power mode; -0.3 to 20 V."
},
{
"number": "12",
"name": "IO_0",
"type": "bidirectional",
"description": "Analog or digital input (load dump proof) with selectable wake-up capability; series resistor mandatory, -0.3 to 40 V."
},
{
"number": "13",
"name": "FCRBM",
"type": "input",
"description": "Feedback core resistor bridge monitoring input for the redundant VCORE divider midpoint; connect directly to FB_CORE if unused."
},
{
"number": "14",
"name": "FS0B",
"type": "output",
"description": "First active-low open-drain safety output asserted low at start-up and on fault; external pull-up mandatory."
},
{
"number": "15",
"name": "DEBUG",
"type": "input",
"description": "Debug mode entry input, sampled at start-up; -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, selected through SPI."
},
{
"number": "18",
"name": "IO_2",
"type": "input",
"description": "Logic-level digital input with selectable wake-up capability, readable by SPI and usable for FCCU error monitoring."
},
{
"number": "19",
"name": "IO_3",
"type": "input",
"description": "Logic-level digital input with selectable wake-up capability, readable by SPI and usable for FCCU error monitoring."
},
{
"number": "20",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected (no CAN physical interface on this variant; TXD position)."
},
{
"number": "21",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected (no CAN physical interface on this variant; RXD position)."
},
{
"number": "22",
"name": "VPU_FS",
"type": "power_out",
"description": "Pull-up output for the FS1B function, internally attached to VPRE through a reverse diode."
},
{
"number": "23",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected (no LIN interface on this variant; RXDL position)."
},
{
"number": "24",
"name": "RSTB",
"type": "bidirectional",
"description": "Active-low open-drain reset output to the MCU, asserted on safety block failure; input is monitored for external reset; pull-up to VDDIO required."
},
{
"number": "25",
"name": "MISO",
"type": "output",
"description": "SPI data output, buffer supplied from VDDIO."
},
{
"number": "26",
"name": "MOSI",
"type": "input",
"description": "SPI data 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, with internal pull-up to VDDIO."
},
{
"number": "30",
"name": "VDDIO",
"type": "power_in",
"description": "Supply input for the MISO output buffer for MCU I/O voltage compatibility; -0.3 to 8 V."
},
{
"number": "31",
"name": "SELECT",
"type": "input",
"description": "Hardware selection input setting VAUX and VCCA output voltages (3.3 V or 5.0 V) via an external resistor to GND or VPRE."
},
{
"number": "32",
"name": "FB_CORE",
"type": "input",
"description": "VCORE voltage feedback input to the error amplifier; -0.3 to 2.5 V."
},
{
"number": "33",
"name": "COMP_CORE",
"type": "output",
"description": "Error amplifier output for the VCORE compensation network (FS6500 series)."
},
{
"number": "34",
"name": "VCORE_SNS",
"type": "input",
"description": "VCORE input voltage sense; 0 to 8 V."
},
{
"number": "35",
"name": "SW_CORE",
"type": "output",
"description": "VCORE SMPS switching output point (FS6500 series)."
},
{
"number": "36",
"name": "BOOT_CORE",
"type": "passive",
"description": "Bootstrap capacitor connection for the VCORE internal NMOS gate drive; 0 to 15 V."
},
{
"number": "37",
"name": "VPRE",
"type": "power_in",
"description": "VPRE pre-regulator output/input voltage sense, -0.3 to 8 V."
},
{
"number": "38",
"name": "VAUX",
"type": "output",
"description": "VAUX output voltage, external PNP ballast collector connection."
},
{
"number": "39",
"name": "VAUX_B",
"type": "output",
"description": "VAUX regulator external PNP ballast base connection."
},
{
"number": "40",
"name": "VAUX_E",
"type": "output",
"description": "VAUX regulator external PNP ballast emitter connection."
},
{
"number": "41",
"name": "VCCA_E",
"type": "output",
"description": "VCCA regulator external PNP ballast emitter connection."
},
{
"number": "42",
"name": "VCCA_B",
"type": "output",
"description": "VCCA regulator external PNP ballast base connection."
},
{
"number": "43",
"name": "VCCA",
"type": "power_out",
"description": "VCCA output voltage (5.0 V or 3.3 V), external PNP ballast collector connection."
},
{
"number": "44",
"name": "GATE_LS",
"type": "output",
"description": "Low-side MOSFET gate drive for the non-inverting buck-boost configuration; tie to PGND for 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; -1.0 to 50 V."
},
{
"number": "47",
"name": "SW_PRE2",
"type": "output",
"description": "Second pre-regulator switching output point."
},
{
"number": "48",
"name": "SW_PRE1",
"type": "output",
"description": "First pre-regulator switching output point."
}
],
"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+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Part number decodes as FS6500 series, 2.2 A, FS1B+LDT, no physical interface (z=N). Table 2 row for ; The exposed pad is not described in the provided pin table, so it is not listed. Its connection (lik; Pin types are inferred from the datasheet's A_IN/A_OUT/D_IN/D_OUT classes. Pins 8, 9, 20, 21 and 23 ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 37,
"cost_usd": 0.7688,
"at": "2026-10-30T22:59:44"
},
"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": "mc33fs6523nae.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": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mc33fs6523nae-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": "5d2dd3ea1303ebd0ffd48a22093c1fed0c2d90a3efcb35183eaeeaea12948c05",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "AE (98ASA00173D / SOT1571-1)",
"source_page": 141,
"D": {
"nom_mm": 7,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 7,
"range_mm": [
null,
null
]
},
"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": "mc33fs6523nae.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": "ESD human body model, LIN pins",
"symbol": "VESD-HBM4",
"kind": "absolute_maximum",
"unit": "kV",
"min": -8,
"typ": null,
"max": 8,
"conditions": "LIN pins",
"source_page": 16,
"source": "datasheet"
},
{
"name": "ESD charge device model, all pins",
"symbol": "VESD-CDM1",
"kind": "absolute_maximum",
"unit": "V",
"min": -500,
"typ": null,
"max": 500,
"conditions": "Charge device model (JESD22/C101), all pins",
"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": "Power 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": "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 (falling) - boost configuration",
"symbol": "VSUP_UV_L",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 2.7,
"conditions": "",
"source_page": 17,
"source": "datasheet"
},
{
"name": "Power supply undervoltage lockout (falling) - buck configuration",
"symbol": "VSUP_UV_L_B",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 4.5,
"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": "SW_PRE output current limitation in buck-boost mode",
"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 output current limitation in buck mode",
"symbol": "IPRE_LIM2",
"kind": "electrical",
"unit": "A",
"min": 2.5,
"typ": null,
"max": null,
"conditions": "VSUP ≤ 28 V",
"source_page": 17,
"source": "datasheet"
},
{
"name": "SW_PRE overcurrent detection threshold in buck mode",
"symbol": "IPRE_OC",
"kind": "electrical",
"unit": "A",
"min": 4.5,
"typ": null,
"max": null,
"conditions": "VSUP ≤ 28 V",
"source_page": 17,
"source": "datasheet"
},
{
"name": "VPRE undervoltage detection threshold (falling)",
"symbol": "VPRE_UV",
"kind": "electrical",
"unit": "V",
"min": 5.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 17,
"source": "datasheet"
},
{
"name": "VPRE pass transistor on resistance",
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