CS3817BEO

{
  "schema_version": 1,
  "type": "component",
  "slug": "cs3817beo",
  "title": "CS3817BEO",
  "brief": "CRMICRO Audio Amplifiers, HTSSOP-28. 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",
    "amplifiers-comparators",
    "cs3817beo",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CS3817BEO",
    "manufacturer": "CRMICRO",
    "package": "HTSSOP-28",
    "pin_count": 29,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907107984564224",
    "parts": {
      "symbol": "cs3817beo.kicad_sym",
      "footprint": "cs3817beo.kicad_mod",
      "model_3d": "cs3817beo-hero.glb",
      "model_3d_plain": "cs3817beo-etched.glb",
      "model_3d_step": "cs3817beo-etched.step",
      "model_3d_step_plain": "cs3817beo.step",
      "lbr": "cs3817beo.lbr"
    },
    "distributor_links": {
      "lcsc": "C7421640"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T01:04:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "/SD",
        "type": "input",
        "description": "Standby logic input (TTL, levels up to AVCC): it must be held high (VIH ≥ 2 V) for normal operation, pulled low (VIL ≤ 0.8 V) to shut down the outputs, and must not be left floating."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "3",
        "name": "LINP",
        "type": "input",
        "description": "Left-channel positive differential audio input; absolute maximum input voltage is -0.3 V to 5.3 V."
      },
      {
        "number": "4",
        "name": "LINN",
        "type": "input",
        "description": "Left-channel negative differential audio input; absolute maximum input voltage is -0.3 V to 5.3 V."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "7",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply input, 8.5 V to 20 V recommended (absolute maximum 22 V)."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, which is connected to the heatsink."
      },
      {
        "number": "9",
        "name": "GVDD",
        "type": "power_out",
        "description": "High-side gate-drive voltage output, 5.0 V to 6.8 V (6.2 V typical) at 100 µA load."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "11",
        "name": "RINN",
        "type": "input",
        "description": "Right-channel negative differential audio input; absolute maximum input voltage is -0.3 V to 5.3 V."
      },
      {
        "number": "12",
        "name": "RINP",
        "type": "input",
        "description": "Right-channel positive differential audio input; absolute maximum input voltage is -0.3 V to 5.3 V."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "15",
        "name": "PVCCR",
        "type": "power_in",
        "description": "Right-channel power supply input, internally connected to PVCCL; 8.5 V to 20 V recommended."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "17",
        "name": "BSPR",
        "type": "input",
        "description": "Bootstrap pin for the right-channel positive high-side output."
      },
      {
        "number": "18",
        "name": "OUTPR",
        "type": "output",
        "description": "Right-channel positive class-D PWM output (filterless, no output inductor required)."
      },
      {
        "number": "19",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "20",
        "name": "OUTNR",
        "type": "output",
        "description": "Right-channel negative class-D PWM output (filterless, no output inductor required)."
      },
      {
        "number": "21",
        "name": "BSNR",
        "type": "input",
        "description": "Bootstrap pin for the right-channel negative high-side output."
      },
      {
        "number": "22",
        "name": "BSNL",
        "type": "input",
        "description": "Bootstrap pin for the left-channel negative high-side output."
      },
      {
        "number": "23",
        "name": "OUTNL",
        "type": "output",
        "description": "Left-channel negative class-D PWM output (filterless, no output inductor required)."
      },
      {
        "number": "24",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "25",
        "name": "OUTPL",
        "type": "output",
        "description": "Left-channel positive class-D PWM output (filterless, no output inductor required)."
      },
      {
        "number": "26",
        "name": "BSPL",
        "type": "input",
        "description": "Bootstrap pin for the left-channel positive high-side output."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect (floating) pin."
      },
      {
        "number": "28",
        "name": "PVCCL",
        "type": "power_in",
        "description": "Left-channel power supply input, internally connected to PVCCR; 8.5 V to 20 V recommended."
      },
      {
        "number": "29",
        "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: Pin numbers and names were taken from the pin description table (section 2.4, pages 3-4), not from t; Datasheet lists 8 pins as floating (悬空管脚, no connection): 2, 5, 6, 10, 13, 14, 16, 27. Mapped to KiC; GVDD is classed 'O' in the datasheet; mapped to power_out because it is a regulated gate-drive volta",
          "exposed pad 29 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0602,
        "at": "2026-10-19T01:01:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907107984564224",
        "pages": 13,
        "sha256": "f30ec26634698ba0",
        "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": [
      {
        "file": "cs3817beo.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs3817beo-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c0f57415d9b83d2769432af33123f2a959d5eb8a03799e8ae161c48a8d83e48e",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CRMICRO",
      "Package": "HTSSOP-28",
      "Category": "Amplifiers/Comparators",
      "Pins": "29"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f30ec26634698ba096f5e14c5fc94c3576274ed53ef38ed8b92ac00fe75a53ae",
      "rows": [
        {
          "name": "Supply voltage (PVCC, AVCC)",
          "symbol": "PVCC, AVCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 22,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage /SD",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage RINN, RINP, LINN, LINP",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load resistance",
          "symbol": "R",
          "kind": "absolute_maximum",
          "unit": "",
          "min": 3.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 8.5,
          "typ": null,
          "max": 20,
          "conditions": "PVCC, AVCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage /SD",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage /SD",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "RPULL-UP=100k, VCC=18V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input current /SD",
          "symbol": "IIH",
          "kind": "recommended_operating",
          "unit": "μA",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VI=2V, VCC=18V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current /SD",
          "symbol": "IIL",
          "kind": "recommended_operating",
          "unit": "μA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VI=0.8V, VCC=18V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output offset voltage",
          "symbol": "|VOS|",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.5,
          "max": 15,
          "conditions": "VI=0V, VCC=20V, RL=8Ω, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gate drive voltage",
          "symbol": "GVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 6.2,
          "max": 6.8,
          "conditions": "IGVDD=100μA, VCC=20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "/SD=2V, no load, PVCC=20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "ICC(SD)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 250,
          "max": 400,
          "conditions": "/SD=0.8V, no load, PVCC=20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-resistance, upper MOSFET",
          "symbol": "rDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 240,
          "max": null,
          "conditions": "VCC=12V, IO=500mA, TJ=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-resistance, lower MOSFET",
          "symbol": "rDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 240,
          "max": null,
          "conditions": "VCC=12V, IO=500mA, TJ=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-resistance, total",
          "symbol": "rDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 480,
          "max": null,
          "conditions": "VCC=12V, IO=500mA, TJ=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Turn-on time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "/SD=2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Turn-off time",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "/SD=0.8V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC detect time",
          "symbol": "tDCDET",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 420,
          "max": null,
          "conditions": "V(RINN)=6V, V(RINP)=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 25,
          "max": 50,
          "conditions": "/SD=2V, no load, PVCC=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "ICC(SD)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "/SD=0.8V, no load, PVCC=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Turn-on time (12V)",
          "symbol": "tON",
          "kind": "timing",
          "unit": "Ms",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "/SD=2V, VCC=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Turn-off time (12V)",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "Μs",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "/SD=0.8V, VCC=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gate drive voltage (12V)",
          "symbol": "GVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 6.2,
          "max": 6.8,
          "conditions": "IGVDD=2mA, VCC=12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power supply ripple rejection",
          "symbol": "kSVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -70,
          "max": null,
          "conditions": "1kHz, 200mVpp ripple, input AC coupled to GND, VCC=20V, RL=8Ω",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output power",
          "symbol": "PO",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "THD+N=10%, f=1kHz, VCC=16V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion plus noise",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VCC=16V, f=1kHz, PO=7.5W (half power)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "μV",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "20kHz~22kHz, with filter, VCC=20V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crosstalk",
          "symbol": "CT",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -100,
          "max": null,
          "conditions": "VO=1Vrms, f=1kHz, VCC=20V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Signal-to-noise ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 102,
          "max": null,
          "conditions": "maximum output THD+N<1%, f=1kHz, VCC=20V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Oscillation frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 200,
          "typ": null,
          "max": 450,
          "conditions": "VCC=20V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal protection temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal protection hysteresis",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power supply ripple rejection (12V)",
          "symbol": "kSVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -70,
          "max": null,
          "conditions": "20Hz~1kHz, 200mVpp ripple, input AC coupled to GND, VCC=12V, RL=8Ω",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output power (12V)",
          "symbol": "PO",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "THD+N=10%, f=1kHz, VCC=13V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion plus noise (12V)",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.06,
          "max": null,
          "conditions": "RL=8Ω, f=1kHz, PO=5W (half power), VCC=12V",
          "source_page": 6,
          "source": "datasheet"
        },
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