component
AC78022MBQA
Public Made by Adomby adom
AutoChips Microcontroller Units (MCUs/MPUs/SOCs), HVQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ac78022mbqa",
"title": "AC78022MBQA",
"brief": "AutoChips Microcontroller Units (MCUs/MPUs/SOCs), HVQFN-32(5x5). 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",
"single chip microcomputer-microcontroller",
"ac78022mbqa",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AC78022MBQA",
"manufacturer": "AutoChips",
"package": "HVQFN-32(5x5)",
"pin_count": 33,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2e679c28c01a7382163eaacd2cf8552f.pdf",
"parts": {
"symbol": "ac78022mbqa.kicad_sym",
"footprint": "ac78022mbqa.kicad_mod",
"model_3d": "ac78022mbqa-hero.glb",
"model_3d_plain": "ac78022mbqa-etched.glb",
"model_3d_step": "ac78022mbqa-etched.step",
"model_3d_step_plain": "ac78022mbqa.step",
"lbr": "ac78022mbqa.lbr"
},
"distributor_links": {
"lcsc": "C6800678"
},
"distributor_check": {
"checked_at": "2026-11-05T18:33:19Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 GPIO (GPIO index 16), alternate functions ADC_IN18, PWM1_CH1 and PWM2_FLT1 selected via PMUX1[20:18]; pins default to GPIO after first power-up."
},
{
"number": "2",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 GPIO (GPIO index 17), alternate functions PWM1_CH0 and DAC_OUT selected via PMUX1[23:21]."
},
{
"number": "3",
"name": "VDD1",
"type": "power_in",
"description": "Positive supply pin; operating voltage range 2.7 V to 5.5 V and absolute maximum VDD of -0.3 V to 6 V, and VDD1 and VDD2 must be connected to the same supply on the board."
},
{
"number": "4",
"name": "VSS1",
"type": "power_in",
"description": "Ground (VSS) supply pin, to be decoupled close to the device together with VDD1."
},
{
"number": "5",
"name": "PA12",
"type": "bidirectional",
"description": "Port A bit 12 GPIO (GPIO index 12), alternate functions I2C0_SCL, OSC_OUT (default function) and PWM0_FLT0 selected via PMUX1[8:6]."
},
{
"number": "6",
"name": "PA15",
"type": "bidirectional",
"description": "Port A bit 15 GPIO (GPIO index 15), alternate functions I2C0_SDA, OSC_IN (default function) and PWDT0_IN0 selected via PMUX1[17:15]."
},
{
"number": "7",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0 GPIO (GPIO index 0), alternate functions PWM2_CH3, VREF-/ADC_IN10 and I2C0_SCL selected via PMUX0[2:0]."
},
{
"number": "8",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1 GPIO (GPIO index 1), alternate functions PWM2_CH2, VREF+/ADC_IN9 and I2C0_SDA selected via PMUX0[5:3]."
},
{
"number": "9",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 GPIO (GPIO index 19), alternate functions PWM2_CH0, ADC_IN13 and SPI0_MOSI selected via PMUX1[29:27]."
},
{
"number": "10",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2 GPIO (GPIO index 2), alternate functions PWM2_CH1, ADC_IN8 and SPI0_MISO selected via PMUX0[8:6]."
},
{
"number": "11",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3 GPIO (GPIO index 3), alternate functions PWM2_CH0, ADC_IN7 and SPI0_SCK selected via PMUX0[11:9]."
},
{
"number": "12",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4 GPIO (GPIO index 4), alternate functions PWM0_CH1, ADC_IN6/ACMP_IN6 and UART1_TX selected via PMUX0[14:12]."
},
{
"number": "13",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5 GPIO (GPIO index 5), alternate functions PWM0_CH0, ADC_IN5/ACMP_IN5 and UART1_RX selected via PMUX0[17:15]."
},
{
"number": "14",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6 GPIO (GPIO index 6), with BOOT listed as Function 1 (default function) and SPI0_NSS selected via PMUX0[20:18]."
},
{
"number": "15",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 GPIO (GPIO index 20), alternate functions PWM2_CH1, ADC_IN12 and SPI0_MISO selected via PMUX2[2:0]."
},
{
"number": "16",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 GPIO (GPIO index 21), alternate functions PWM0_CH0, ADC_IN11 and SPI0_SCK selected via PMUX2[5:3]."
},
{
"number": "17",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7 GPIO (GPIO index 7), alternate functions UART0_TX, ADC_IN4/ACMP_IN4 and SPI0_MOSI selected via PMUX0[23:21]."
},
{
"number": "18",
"name": "PA8",
"type": "bidirectional",
"description": "Port A bit 8 GPIO (GPIO index 8), alternate functions UART0_RX, ADC_IN3/ACMP_IN3 and SPI0_NSS selected via PMUX0[26:24]."
},
{
"number": "19",
"name": "PA9",
"type": "bidirectional",
"description": "Port A bit 9 GPIO (GPIO index 9), alternate functions PWM2_FLT0, ADC_IN2/ACMP_IN2 and RTC_CLKIN selected via PMUX0[29:27]."
},
{
"number": "20",
"name": "VSS2",
"type": "power_in",
"description": "Ground (VSS) supply pin, paired with VSS1 for the device ground."
},
{
"number": "21",
"name": "VDD2",
"type": "power_in",
"description": "Positive supply pin; operating voltage range 2.7 V to 5.5 V and absolute maximum VDD of -0.3 V to 6 V, and must be connected to the same supply as VDD1."
},
{
"number": "22",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6 GPIO (GPIO index 22), alternate functions ADC_IN16, PWM1_FLT0 and PWM0_FLT1 selected via PMUX2[8:6]."
},
{
"number": "23",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7 GPIO (GPIO index 23), alternate functions ADC_IN15, ACMP_IN7 and I2C0_SCL selected via PMUX2[11:9]."
},
{
"number": "24",
"name": "PB8",
"type": "bidirectional",
"description": "Port B bit 8 GPIO (GPIO index 24), alternate functions ADC_IN14, PWDT0_IN2 and I2C0_SDA selected via PMUX2[14:12]."
},
{
"number": "25",
"name": "PA10",
"type": "bidirectional",
"description": "Port A bit 10 GPIO (GPIO index 10), alternate functions PWM1_CH1, ADC_IN1/ACMP_IN1 and PWDT0_IN2 selected via PMUX1[2:0]."
},
{
"number": "26",
"name": "PA11",
"type": "bidirectional",
"description": "Port A bit 11 GPIO (GPIO index 11), alternate functions PWM1_CH0, ADC_IN0/ACMP_IN0 and PWDT0_IN1 selected via PMUX1[5:3]."
},
{
"number": "27",
"name": "PB9",
"type": "bidirectional",
"description": "Port B bit 9 GPIO (GPIO index 25), alternate functions PWM2_CH3, I2C0_SCL and UART0_TX selected via PMUX2[17:15]."
},
{
"number": "28",
"name": "PB10",
"type": "bidirectional",
"description": "Port B bit 10 GPIO (GPIO index 26), alternate functions PWM2_CH2, I2C0_SDA and UART0_RX selected via PMUX2[20:18]."
},
{
"number": "29",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 GPIO (GPIO index 18), alternate functions NMI_B, PWM1_FLT1 and PWDT0_IN0 selected via PMUX1[26:24]."
},
{
"number": "30",
"name": "PA13",
"type": "bidirectional",
"description": "Port A bit 13 GPIO (GPIO index 13), with SWD_CLK as the default function, plus EXT_CLKIN and RTC_CLKOUT selected via PMUX1[11:9]."
},
{
"number": "31",
"name": "RESET_B",
"type": "input",
"description": "Dedicated active-low reset input RESET_B; the datasheet specifies a minimum external reset pulse width of 1.5 × t32k for it to be recognised."
},
{
"number": "32",
"name": "PA14",
"type": "bidirectional",
"description": "Port A bit 14 GPIO (GPIO index 14), with SWD_DIO as the default function, plus ACMP_OUT and PWM0_CH1 selected via PMUX1[14:12]."
},
{
"number": "33",
"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: Figure 9-1 (32-pin HVQFN pin diagram) is an image with no extractable text. Pin numbers and names we; Pin 14 (PA6) row in Table 9-1 lists 'BOOT' as Function 1 with footnote [1] (default function) and 'g; Pins 5 (PA12, OSC_OUT), 6 (PA15, OSC_IN), 30 (PA13, SWD_CLK) and 32 (PA14, SWD_DIO) are marked with ",
"exposed pad 33 added from the footprint"
],
"pages_sent": 40,
"cost_usd": 0.1472,
"at": "2026-11-05T18:33:04"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/2e679c28c01a7382163eaacd2cf8552f.pdf",
"pages": 40,
"sha256": "e3e5ec1b79a92875",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ac78022mbqa.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "90af021df1253eae35bee4f4a4f9ba63bcf4a308f6e9f12d58f6e00181c23140",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ac78022mbqa-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "35d95f77b880559a6e755d6ccc2aaf64b9c8ebac6752a4c647cad8ccb0316480",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "AutoChips",
"Package": "HVQFN-32(5x5)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "e3e5ec1b79a928757d8e37ef0f6c0494cdc1402a32905fb6bcdc5b1fa9655c74",
"rows": [
{
"name": "External supply voltage (absolute max)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Maximum current flowing into VDD",
"symbol": "IDD",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Input voltage, non-open-drain pins",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Input voltage, open-drain pins",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Single-pin transient current limit, all port pins",
"symbol": "ID",
"kind": "absolute_maximum",
"unit": "mA",
"min": -20,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Soldering temperature, lead-free",
"symbol": "TSDR",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Operating voltage",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Ambient temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "System and core clock frequency",
"symbol": "fSys",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 32,
"conditions": "",
"source_page": 20,
"source": "datasheet"
},
{
"name": "Bus frequency",
"symbol": "fBus",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 20,
"source": "datasheet"
},
{
"name": "Total max output high current, all ports",
"symbol": "IOHT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 30,
"conditions": "VDD 5 V",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Total max output high current, all ports",
"symbol": "IOHT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 20,
"conditions": "VDD 3 V",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Output low voltage, 5 V drive",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "5 V, Iload = 5, 10, 15, 20 mA",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Output low voltage, 3 V drive",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "3 V, Iload = 3.6, 7.2, 10.8, 14.4 mA",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Total max output low current, all ports",
"symbol": "IOLT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 30,
"conditions": "VDD 5 V",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Total max output low current, all ports",
"symbol": "IOLT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 20,
"conditions": "VDD 3 V",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Input leakage current per pin",
"symbol": "IIn",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": 0.1,
"max": 1,
"conditions": "VIN = VDD or VSS (high-impedance input)",
"source_page": 16,
"source": "datasheet"
},
{
"name": "DC injection current, single pin",
"symbol": "IIC",
"kind": "electrical",
"unit": "mA",
"min": -2,
"typ": null,
"max": 2,
"conditions": "VIN < VSS or VIN > VDD",
"source_page": 17,
"source": "datasheet"
},
{
"name": "DC injection current, total MCU limit",
"symbol": "IIC",
"kind": "electrical",
"unit": "mA",
"min": -5,
"typ": null,
"max": 20,
"conditions": "sum of all stressed pins",
"source_page": 17,
"source": "datasheet"
},
{
"name": "POR reset voltage",
"symbol": "VPOR",
"kind": "electrical",
"unit": "V",
"min": 1.6,
"typ": 1.8,
"max": 2,
"conditions": "",
"source_page": 17,
"source": "datasheet"
},
{
"name": "Falling-edge LVD threshold, low range",
"symbol": "VLVRL",
"kind": "electrical",
"unit": "V",
"min": 2.5,
"typ": 2.6,
"max": 2.7,
"conditions": "LVDV = 0",
"source_page": 17,
"source": "datasheet"
},
{
"name": "Falling-edge LVD threshold, high range",
"symbol": "VLVRH",
"kind": "electrical",
"unit": "V",
"min": 4.2,
"typ": 4.3,
"max": 4.4,
"conditions": "LVDV = 1",
"source_page": 17,
"source": "datasheet"
},
{
"name": "Falling-edge LVD warning threshold, low range",
"symbol": "VLVDL",
"kind": "electrical",
"unit": "V",
"min": 2.8,
"typ": 2.9,
"max": 3,
"conditions": "",
"source_page": 17,
"source": "datasheet"
},
{
"name": "Falling-edge LVD warning threshold, high range",
"symbol": "VLVDH",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": 4.6,
"max": 4.7,
"conditions": "",
"source_page": 17,
"source": "datasheet"
},
{
"name": "Buffered bandgap output",
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