AMC6821SDBQR

{
  "slug": "amc6821sdbqr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Temperature Sensors, SSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "sensors",
    "amc6821sdbqr",
    "factory-2.0.0",
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  "component": {
    "mpn": "AMC6821SDBQR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-16-150mil",
    "pin_count": 16,
    "category": "Sensors",
    "subcategory": "Temperature Sensors",
    "datasheet": "https://www.ti.com/cn/lit/gpn/amc6821",
    "parts": {
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      "lbr": "amc6821sdbqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C555157",
      "digikey": "296-41200-2-ND",
      "mouser": "595-AMC6821SDBQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:55:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-41200-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-AMC6821SDBQR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PWM-OUT",
        "type": "output",
        "description": "Digital open-drain output that provides the PWM signal used to control fan speed."
      },
      {
        "number": "2",
        "name": "TACH",
        "type": "input",
        "description": "Digital input that receives the fan tachometer signal used to measure fan speed."
      },
      {
        "number": "3",
        "name": "OVR",
        "type": "output",
        "description": "Digital open-drain output that goes active low when the temperature reaches the critical shutdown threshold or the remote temperature sensor fails."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; reserved for manufacturer testing."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "System ground."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, +3 V to +5 V per Table 1 (electrical characteristics specify an operating range of 2.7 V to 5.5 V)."
      },
      {
        "number": "7",
        "name": "THERM",
        "type": "bidirectional",
        "description": "Open-drain fail-safe I/O: as an output it goes active low when the temperature exceeds the THERM limit, and as an input a low level sets THERM-IN and drives the fan to full speed."
      },
      {
        "number": "8",
        "name": "FAN-FAULT",
        "type": "output",
        "description": "Digital open-drain output that goes low when a fan failure is detected."
      },
      {
        "number": "9",
        "name": "IN-",
        "type": "passive",
        "description": "Negative analog differential input connected to the cathode of the external temperature-sensing diode."
      },
      {
        "number": "10",
        "name": "IN+",
        "type": "passive",
        "description": "Positive analog differential input connected to the anode of the external temperature-sensing diode (Pentium-IV substrate transistor or 2N3904-type transistor)."
      },
      {
        "number": "11",
        "name": "PWM-MODE",
        "type": "input",
        "description": "PWM frequency range select, checked only at power-up or reset: tied low selects 1 kHz to 40 kHz, while tie to VDD or float selects 10 Hz to 94 Hz."
      },
      {
        "number": "12",
        "name": "A1",
        "type": "input",
        "description": "Device slave address select pin, checked only at power-up or reset."
      },
      {
        "number": "13",
        "name": "A0",
        "type": "input",
        "description": "Device slave address select pin, checked only at power-up or reset."
      },
      {
        "number": "14",
        "name": "SMBALERT",
        "type": "output",
        "description": "Programmable open-drain SMBALERT output, active low, requiring a pull-up resistor (2.2 kΩ typical)."
      },
      {
        "number": "15",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SMBus bidirectional open-drain data pin, requiring a pull-up resistor (2.2 kΩ typical)."
      },
      {
        "number": "16",
        "name": "SCLK",
        "type": "input",
        "description": "SMBus clock digital input, requiring a pull-up resistor (2.2 kΩ typical)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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: Package naming is inconsistent in the datasheet: the pinout is labeled SSOP-16 (body 5 mm x 4 mm) an; The pinout is printed once for the single DBQ package and is the same for all DBQ variants. The data; VDD is described in Table 1 as +3 to +5 V, while the electrical characteristics give an operating ra"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0764,
        "at": "2026-10-08T19:55:06"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/amc6821",
        "pages": 57,
        "sha256": "5d9e1c7763cc3c8b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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}