component
AMC6821SDBQR
Public Made by Adomby adom
Texas Instruments Temperature Sensors, SSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"package": "SSOP-16-150mil",
"pin_count": 16,
"category": "Sensors",
"subcategory": "Temperature Sensors",
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"digikey": "296-41200-2-ND",
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"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)."
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{
"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)."
}
],
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"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"
],
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"at": "2026-10-08T19:55:06"
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"sha256": "5d9e1c7763cc3c8b",
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