component
FU6831Q
Public Made by Adomby adom
Fortior Tech Motor Driver ICs, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "fu6831q",
"title": "FU6831Q",
"brief": "Fortior Tech Motor Driver ICs, QFN-48-EP(6x6). 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",
"fu6831q",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "FU6831Q",
"manufacturer": "Fortior Tech",
"package": "QFN-48-EP(6x6)",
"pin_count": 49,
"category": "Power Management ICs",
"subcategory": "Motor Driver ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5cd84e888994af36f0bbf78018c8ae6b.pdf",
"parts": {
"symbol": "fu6831q.kicad_sym",
"footprint": "fu6831q.kicad_mod",
"model_3d": "fu6831q-hero.glb",
"model_3d_plain": "fu6831q-etched.glb",
"model_3d_step": "fu6831q-etched.step",
"model_3d_step_plain": "fu6831q.step",
"lbr": "fu6831q.lbr"
},
"distributor_links": {
"lcsc": "C328455"
},
"distributor_check": {
"checked_at": "2026-10-29T00:31:15Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "P2.2/C2M/A2M",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input and ~4.7K pull-up; also the differential Hall2/BEMF2 negative input and the AMP2 negative input."
},
{
"number": "2",
"name": "P2.3/AD1/A2O",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; ADC channel 1 input that samples the amplified phase current 2 signal, and the AMP2 output."
},
{
"number": "3",
"name": "P2.4/AD2",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; ADC channel 2 input for the bus voltage signal."
},
{
"number": "4",
"name": "P2.5/AD3",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; ADC channel 3 input."
},
{
"number": "5",
"name": "P2.6/C3M",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; overcurrent reference signal input, the negative input of CMP3."
},
{
"number": "6",
"name": "P2.7/AD4/C3P/A0O",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; ADC channel 4 input for the amplified bus current signal, positive input of CMP3 for bus-current overcurrent detection, and AMP0 output."
},
{
"number": "7",
"name": "P3.0/A0M",
"type": "bidirectional",
"description": "GPIO; negative input of AMP0 used to amplify the bus current signal."
},
{
"number": "8",
"name": "P3.1/A0P",
"type": "bidirectional",
"description": "GPIO; positive input of AMP0 used to amplify the bus current signal."
},
{
"number": "9",
"name": "P3.2/AD5/TIM0/VHALF",
"type": "bidirectional",
"description": "GPIO; over-temperature signal input, ADC channel 5 input, Advanced timer channel 4 output, and 1/2 VDD5 or 1/2 VREF reference output that requires an external 1uF capacitor."
},
{
"number": "10",
"name": "P3.3/AD6/RXD2/IR_RXD2",
"type": "bidirectional",
"description": "GPIO; ADC channel 6 input, UART2 receive (after function transfer) and infrared receive (after function transfer)."
},
{
"number": "11",
"name": "P3.4/AD7/TXD2/IR_TXD2",
"type": "bidirectional",
"description": "GPIO; analog speed control input on ADC channel 7, UART2 transmit (after function transfer) and infrared transmit (after function transfer)."
},
{
"number": "12",
"name": "P3.5/VREF",
"type": "bidirectional",
"description": "GPIO; ADC external reference voltage input or internal VREF output, requiring an external 1uF capacitor."
},
{
"number": "13",
"name": "AVSS",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "14",
"name": "AVDD5",
"type": "power_in",
"description": "Analog power input, connected externally to VDD5 with a 1uF capacitor to AVSS."
},
{
"number": "15",
"name": "P3.6/XIN/ECLK",
"type": "bidirectional",
"description": "GPIO; fast clock crystal input for a 24MHz crystal, or external fast clock input."
},
{
"number": "16",
"name": "P3.7/XOUT",
"type": "bidirectional",
"description": "GPIO; fast clock crystal output for the 24MHz crystal."
},
{
"number": "17",
"name": "P0.0/SDA",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT0 input; I2C SDA, open-collector output with configurable ~4.7K pull-up."
},
{
"number": "18",
"name": "P0.1/SCL/TIM4",
"type": "bidirectional",
"description": "GPIO; I2C SCL clock, open-collector output with configurable ~4.7K pull-up; Timer4 input or output."
},
{
"number": "19",
"name": "P0.2/LXIN",
"type": "bidirectional",
"description": "GPIO; 32768Hz crystal input."
},
{
"number": "20",
"name": "P0.3/LXOUT",
"type": "bidirectional",
"description": "GPIO; 32768Hz crystal output."
},
{
"number": "21",
"name": "P0.4/NSS",
"type": "bidirectional",
"description": "GPIO; SPI slave select port."
},
{
"number": "22",
"name": "P0.5/MOSI/TXD/IR_TXD",
"type": "bidirectional",
"description": "GPIO; SPI MOSI (master output or slave input), UART1 transmit (before function transfer) and infrared transmit (before function transfer)."
},
{
"number": "23",
"name": "P0.6/MISO/RXD/IR_RXD",
"type": "bidirectional",
"description": "GPIO; SPI MISO (master input or slave output), UART1 receive (before function transfer) and infrared receive (before function transfer)."
},
{
"number": "24",
"name": "P0.7/SCLK/TIM5/CXO",
"type": "bidirectional",
"description": "GPIO; SPI clock, Timer5 capture input or PWM output, and comparator output test pin."
},
{
"number": "25",
"name": "P1.0/TIM2",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; Timer2 capture input or PWM output."
},
{
"number": "26",
"name": "P1.1/TIM3",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; Timer3 capture input or PWM output."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "28",
"name": "H_PU",
"type": "output",
"description": "3P3N-mode predriver high-side U-phase voltage output with internal 47K pull-up."
},
{
"number": "29",
"name": "H_PV",
"type": "output",
"description": "3P3N-mode predriver high-side V-phase voltage output with internal 47K pull-up."
},
{
"number": "30",
"name": "H_PW",
"type": "output",
"description": "3P3N-mode predriver high-side W-phase voltage output with internal 47K pull-up."
},
{
"number": "31",
"name": "L_U",
"type": "output",
"description": "3P3N-mode predriver low-side U-phase voltage output with internal 47K pull-down."
},
{
"number": "32",
"name": "L_V",
"type": "output",
"description": "3P3N-mode predriver low-side V-phase voltage output with internal 47K pull-down."
},
{
"number": "33",
"name": "L_W",
"type": "output",
"description": "3P3N-mode predriver low-side W-phase voltage output with internal 47K pull-down."
},
{
"number": "34",
"name": "VBB",
"type": "power_out",
"description": "10V LDO output that requires an external 1uF to 4.7uF capacitor."
},
{
"number": "35",
"name": "VCC",
"type": "power_in",
"description": "Power input whose range depends on VCC_MODE: 5V to 24V in single-supply high-voltage mode (VCC_MODE=0, VDD5 from internal LDO), or 5V to 36V on VCC in dual-supply mode (VCC_MODE=1); requires an external 10uF or larger filter capacitor."
},
{
"number": "36",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "37",
"name": "VDD5",
"type": "power_in",
"description": "Medium-voltage supply input or internal 5V LDO output depending on VCC_MODE; requires an external 1uF to 4.7uF capacitor."
},
{
"number": "38",
"name": "VCC_MODE",
"type": "input",
"description": "Power-mode control input that selects the supply configuration described for the VCC pin."
},
{
"number": "39",
"name": "RSTN/FICEK",
"type": "input",
"description": "External reset input with internal pull-up; also the FICE debug interface clock."
},
{
"number": "40",
"name": "VDD18",
"type": "power_out",
"description": "1.85V LDO output that requires an external 1uF to 4.7uF capacitor."
},
{
"number": "41",
"name": "P1.2/FICED",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; FICE debug interface data."
},
{
"number": "42",
"name": "P1.3/HBIAS/A3O",
"type": "bidirectional",
"description": "GPIO; Hall bias supply connected internally to VDD5 through a switch, capable of high-current output; AMP3 output."
},
{
"number": "43",
"name": "P1.4/C0P/A3M",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input and ~4.7K pull-up; Timer1 switch-type Hall0 input, differential Hall0/BEMF0 positive input, and AMP3 negative input."
},
{
"number": "44",
"name": "P1.5/C0M/A3P",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input and ~4.7K pull-up; differential Hall0/BEMF0 negative input and AMP3 positive input."
},
{
"number": "45",
"name": "P1.6/C1P/A1P",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input and ~4.7K pull-up; Timer1 switch-type Hall1 input, differential Hall1/BEMF1 positive input, and AMP1 positive input for phase current 1 voltage signal."
},
{
"number": "46",
"name": "P1.7/C1M/A1M",
"type": "bidirectional",
"description": "GPIO with configurable ~4.7K pull-up; differential Hall1/BEMF1 negative input and AMP1 negative input."
},
{
"number": "47",
"name": "P2.0/AD0/A1O",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input; ADC channel 0 input that samples the amplified phase current 1 signal, and AMP1 output."
},
{
"number": "48",
"name": "P2.1/C2P/A2P",
"type": "bidirectional",
"description": "GPIO with configurable external interrupt INT1 input and ~4.7K pull-up; Timer1 switch-type Hall2 input, differential Hall2/BEMF2 positive input, and AMP2 positive input for phase current 2 voltage signal."
},
{
"number": "49",
"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-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 datasheet lists the QFN48 pinout once (Table 2-2 / Figure 2-2) for FU6831Q, and the ordering tab; The hint says QFN-48-EP(6x6), but the pin list contains only pins 1-48 and no exposed-pad pin or the; VDD5 is described as a medium-voltage supply input or an internal 5V LDO output depending on VCC_MOD",
"exposed pad 49 added from the footprint"
],
"pages_sent": 78,
"cost_usd": 0.299,
"at": "2026-10-29T00:30:38"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/5cd84e888994af36f0bbf78018c8ae6b.pdf",
"pages": 292,
"sha256": "d5a21e4e7fe9a48c",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "fu6831q.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "aa8d30a259212fba892d6af422d50a00690bb972e7480dff50d8e0c5b7329e43",
"checked": "2026-10-29",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "fu6831q-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "52ad71f764ef4e12195bffa057bccfed0c93c1726a09fed93cfc3afe82a39119",
"checked": "2026-10-29",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Fortior Tech",
"Package": "QFN-48-EP(6x6)",
"Category": "Power Management ICs",
"Pins": "49"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d5a21e4e7fe9a48c157f05ac50a4f1a4c603a98cb7fb351b2142e4d4ac5ebee5",
"rows": [
{
"name": "TJ工作时结温",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 68,
"source": "datasheet"
},
{
"name": "储存温度",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 68,
"source": "datasheet"
},
{
"name": "VCC 相对 VSS 的电压",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "",
"source_page": 68,
"source": "datasheet"
},
{
"name": "VDD5 相对 VSS 的电压",
"symbol": "VDD5",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 68,
"source": "datasheet"
},
{
"name": "VCC 工作电压 (单电源高压模式)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 5,
"typ": null,
"max": 24,
"conditions": "单电源高压模式, TA = -40℃ ~ 85℃",
"source_page": 70,
"source": "datasheet"
},
{
"name": "VCC 工作电压 (双电源高压模式)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 5,
"typ": null,
"max": 36,
"conditions": "双电源高压模式, VCC_MODE = 1, VCC ≥ VDD5",
"source_page": 70,
"source": "datasheet"
},
{
"name": "工作时环境温度",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 70,
"source": "datasheet"
},
{
"name": "工作时环境温度 (VCC_MODE = VDD5 = 5V)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 105,
"conditions": "VCC_MODE = VDD5 = 5V, VCC ≤ 24V",
"source_page": 70,
"source": "datasheet"
},
{
"name": "IVCC睡眠电流",
"symbol": "IVCC",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 100,
"max": 250,
"conditions": "",
"source_page": 70,
"source": "datasheet"
},
{
"name": "VBB 电压",
"symbol": "VBB",
"kind": "electrical",
"unit": "V",
"min": 9,
"typ": 10,
"max": 11,
"conditions": "VCC = 12V ~ 30V",
"source_page": 82,
"source": "datasheet"
},
{
"name": "VDD5 电压 (LDO)",
"symbol": "VDD5",
"kind": "electrical",
"unit": "V",
"min": 4.7,
"typ": 5,
"max": 5.3,
"conditions": "VCC = 7V ~ 24V, VCC_MODE = 0, TA = -40℃~ 85℃",
"source_page": 81,
"source": "datasheet"
},
{
"name": "VBB 启动时间",
"symbol": "",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": null,
"max": 1,
"conditions": "使能至稳定值 95%输出，1μF 电容",
"source_page": 82,
"source": "datasheet"
},
{
"name": "采样时间",
"symbol": "",
"kind": "timing",
"unit": "ADCLK",
"min": 3,
"typ": null,
"max": 63,
"conditions": "ADCLK = 12MHz",
"source_page": 79,
"source": "datasheet"
},
{
"name": "VREF (VREF_CR[VREFVSEL] = 10)",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 4.3,
"typ": 4.5,
"max": 4.7,
"conditions": "VREF_CR[VREFVSEL] = 10",
"source_page": 80,
"source": "datasheet"
},
{
"name": "运放失配电压 VOS",
"symbol": "VOS",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 5,
"max": 10,
"conditions": "",
"source_page": 80,
"source": "datasheet"
},
{
"name": "运放单位增益带宽 UGBW",
"symbol": "UGBW",
"kind": "electrical",
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