EFM8BB22F16I-C-QFN28

{
  "schema_version": 1,
  "type": "component",
  "slug": "efm8bb22f16i-c-qfn28",
  "title": "EFM8BB22F16I-C-QFN28",
  "brief": "SILICON LABS Pre-ordered MCUs, VQFN-28-EP(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",
    "embedded processors & controllers",
    "efm8bb22f16i-c-qfn28",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "EFM8BB22F16I-C-QFN28",
    "manufacturer": "SILICON LABS",
    "package": "VQFN-28-EP(5x5)",
    "pin_count": 29,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/70970e0b75ac113f458b89cb70889027.pdf",
    "parts": {
      "symbol": "efm8bb22f16i-c-qfn28.kicad_sym",
      "footprint": "efm8bb22f16i-c-qfn28.kicad_mod",
      "model_3d": "efm8bb22f16i-c-qfn28-hero.glb",
      "model_3d_plain": "efm8bb22f16i-c-qfn28-etched.glb",
      "model_3d_step": "efm8bb22f16i-c-qfn28-etched.step",
      "model_3d_step_plain": "efm8bb22f16i-c-qfn28.step",
      "lbr": "efm8bb22f16i-c-qfn28.lbr"
    },
    "distributor_links": {
      "lcsc": "C1340864",
      "digikey": "336-3642-5-ND",
      "mouser": "634-8BB22F16ICQFN28"
    },
    "distributor_check": {
      "checked_at": "2026-11-08T00:40:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "336-3642-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "634-8BB22F16ICQFN28",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.1, INT0.1/INT1.1, ADC0.1, CMP0P.1/CMP0N.1 and AGND analog function."
      },
      {
        "number": "2",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.0, INT0.0/INT1.0, ADC0.0, CMP0P.0/CMP0N.0 and VREF analog function."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply power input / 5V regulator output."
      },
      {
        "number": "7",
        "name": "VREGIN",
        "type": "power_in",
        "description": "5V regulator input."
      },
      {
        "number": "8",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Multifunction I/O (no crossbar capability listed)."
      },
      {
        "number": "9",
        "name": "RSTb / C2CK",
        "type": "bidirectional",
        "description": "Active-low reset / C2 debug clock."
      },
      {
        "number": "10",
        "name": "P3.0 / C2D",
        "type": "bidirectional",
        "description": "Multifunction I/O / C2 debug data."
      },
      {
        "number": "11",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P2MAT.3, ADC0.23, CP1P.12/CP1N.12."
      },
      {
        "number": "12",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P2MAT.2, ADC0.22, CP1P.11/CP1N.11."
      },
      {
        "number": "13",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P2MAT.1, ADC0.21, CP1P.10/CP1N.10."
      },
      {
        "number": "14",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P2MAT.0, ADC0.20, CP1P.9/CP1N.9."
      },
      {
        "number": "15",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.7, ADC0.15, CP1P.7/CP1N.7."
      },
      {
        "number": "16",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.6, I2C0_SCL, ADC0.14, CP1P.6/CP1N.6."
      },
      {
        "number": "17",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.5, I2C0_SDA, ADC0.13, CP1P.5/CP1N.5."
      },
      {
        "number": "18",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.4, ADC0.12, CP1P.4/CP1N.4."
      },
      {
        "number": "19",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.3, ADC0.11, CP1P.3/CP1N.3."
      },
      {
        "number": "20",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.2, ADC0.10, CP1P.2/CP1N.2."
      },
      {
        "number": "21",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.1, ADC0.9, CP1P.1/CP1N.1, CMP0P.10/CMP0N.10."
      },
      {
        "number": "22",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P1MAT.0, ADC0.8, CP1P.0/CP1N.0, CMP0P.9/CMP0N.9."
      },
      {
        "number": "23",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.7, INT0.7/INT1.7, ADC0.7, CMP0P.7/CMP0N.7."
      },
      {
        "number": "24",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.6, CNVSTR, INT0.6/INT1.6, ADC0.6, CMP0P.6/CMP0N.6."
      },
      {
        "number": "25",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.5, INT0.5/INT1.5, UART0_RX, ADC0.5, CMP0P.5/CMP0N.5."
      },
      {
        "number": "26",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.4, INT0.4/INT1.4, UART0_TX, ADC0.4, CMP0P.4/CMP0N.4."
      },
      {
        "number": "27",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.3, EXTCLK, INT0.3/INT1.3, ADC0.3, CMP0P.3/CMP0N.3."
      },
      {
        "number": "28",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability, P0MAT.2, INT0.2/INT1.2, ADC0.2, CMP0P.2/CMP0N.2."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Center exposed pad, ground."
      }
    ],
    "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: Datasheet prints the exposed pad number as 'Center'; it was assigned '29' by convention.; Pin 9 is named 'RST / C2CK' in Table 6.1 but 'RSTb / C2CK' in Figure 6.1; 'RSTb' was used. Table 6.1; Pin 6 VDD is described as both supply input and 5V regulator output; typed power_in.",
          "1/29 pins cited to the wrong page (name found elsewhere): ['29:GND@p38']"
        ],
        "pages_sent": 29,
        "cost_usd": 0.1339,
        "at": "2026-11-08T00:40:01"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/70970e0b75ac113f458b89cb70889027.pdf",
        "pages": 59,
        "sha256": "68db19b3e729b537",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "efm8bb22f16i-c-qfn28.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.92
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e9d6d740f505b03e5aa0ac826330f9e269344b84656d051f50eb07ac162749eb",
        "checked": "2026-11-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "efm8bb22f16i-c-qfn28-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9cebd9517288df3ddd74cd863fe13a4026505ca0bfb76a434aa77ab8a7164314",
        "checked": "2026-11-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SILICON LABS",
      "Package": "VQFN-28-EP(5x5)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "29"
    },
    "appearance": {
      "housing": {
        "quote": "4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components.",
        "page": 46,
        "doc": "ds.pdf",
        "material": "PC"
      },
      "version": 1,
      "datasheet_sha256": "68db19b3e729b5370bf05cc4c0fc6c77dd14c3986f4cbce7364ed1b9f27a7166"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "68db19b3e729b5370bf05cc4c0fc6c77dd14c3986f4cbce7364ed1b9f27a7166",
      "rows": [
        {
          "name": "Operating Supply Voltage on VDD",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Voltage on VREGIN",
          "symbol": "VREGIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "System Clock Frequency",
          "symbol": "fSYSCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "I-grade or A-grade devices",
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          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Normal Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 9.4,
          "max": 10.9,
          "conditions": "I-grade/A-grade; FSYSCLK = 49 MHz (HFOSC1)",
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          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Normal Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.5,
          "max": 5.6,
          "conditions": "I-grade/A-grade; FSYSCLK = 24.5 MHz (HFOSC0)",
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          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Normal Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 600,
          "max": 1555,
          "conditions": "I-grade/A-grade; FSYSCLK = 1.53 MHz (HFOSC0)",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Normal Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 145,
          "max": 1070,
          "conditions": "I-grade/A-grade; FSYSCLK = 80 kHz",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Idle Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6.3,
          "max": 7.4,
          "conditions": "I-grade/A-grade; FSYSCLK = 49 MHz (HFOSC1)",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Idle Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.9,
          "max": 3.9,
          "conditions": "I-grade/A-grade; FSYSCLK = 24.5 MHz (HFOSC0)",
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          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Idle Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 440,
          "max": 1400,
          "conditions": "I-grade/A-grade; FSYSCLK = 1.53 MHz (HFOSC0)",
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          "source": "datasheet"
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        {
          "name": "Digital Core Supply Current, Idle Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 130,
          "max": 1050,
          "conditions": "I-grade/A-grade; FSYSCLK = 80 kHz",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Suspend Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 125,
          "max": 1050,
          "conditions": "I-grade/A-grade; LFO Running",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Suspend Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 120,
          "max": 1045,
          "conditions": "I-grade/A-grade; LFO Stopped",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Snooze Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 25,
          "max": 950,
          "conditions": "I-grade/A-grade; LFO Running",
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          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Snooze Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 20,
          "max": 940,
          "conditions": "I-grade/A-grade; LFO Stopped",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Stop Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 120,
          "max": 1045,
          "conditions": "I-grade/A-grade; Internal LDO On",
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          "source": "datasheet"
        },
        {
          "name": "Digital Core Supply Current, Shutdown Mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.2,
          "max": 15,
          "conditions": "I-grade/A-grade; Internal LDO Off",
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          "source": "datasheet"
        },
        {
          "name": "High-Frequency Oscillator 1 Supply Current",
          "symbol": "IHFOSC1",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 865,
          "max": 940,
          "conditions": "Operating at 49 MHz, TA = 25 °C",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "ADC0 Always-on Supply Current",
          "symbol": "IADC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 820,
          "max": 1200,
          "conditions": "800 ksps 10-bit or 200 ksps 12-bit conversions; Normal bias settings; VDD = 3.0 V",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "ADC0 Always-on Supply Current",
          "symbol": "IADC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 405,
          "max": 580,
          "conditions": "250 ksps 10-bit or 62.5 ksps 12-bit conversions; Low power bias settings; VDD = 3.0 V",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Internal ADC0 Reference Supply Current, Normal Power Mode",
          "symbol": "IVREFFS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 680,
          "max": 790,
          "conditions": "Normal Power Mode",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Internal ADC0 Reference Supply Current, Low Power Mode",
          "symbol": "IVREFFS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 160,
          "max": 210,
          "conditions": "Low Power Mode",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Temperature Sensor Supply Current",
          "symbol": "ITSENSE",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 70,
          "max": 120,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Voltage Supply Monitor Supply Current",
          "symbol": "IVMON",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 15,
          "max": 20,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "5V Regulator Supply Current, Normal Mode",
          "symbol": "IVREG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 245,
          "max": 340,
          "conditions": "SUSEN = 0, BIASENB = 0",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "5V Regulator Supply Current, Suspend Mode",
          "symbol": "IVREG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 60,
          "max": 100,
          "conditions": "SUSEN = 1, BIASENB = 0",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "5V Regulator Supply Current, Bias Disabled",
          "symbol": "IVREG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2.5,
          "max": 10,
          "conditions": "BIASENB = 1",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "VDD Supply Monitor Threshold",
          "symbol": "VVDDM",
          "kind": "electrical",
          "unit": "V",
          "min": 1.95,
          "typ": 2.05,
          "max": 2.15,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Falling Voltage on VDD (POR Threshold)",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": 0.75,
          "typ": null,
          "max": 1.36,
          "conditions": "Falling Voltage on VDD",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Reset Delay from POR",
          "symbol": "tPOR",
          "kind": "timing",
          "unit": "ms",
          "min": 3,
          "typ": 10,
          "max": 31,
          "conditions": "Relative to VDD > VPOR",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "RST Low Time to Generate Reset",
          "symbol": "tRSTL",
          "kind": "timing",
          "unit": "μs",
          "min": 15,
          "typ": null,
          "max": null,
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