TMP75

{
  "schema_version": 1,
  "type": "component",
  "slug": "tmp75",
  "title": "TMP75",
  "brief": "TI I2C digital temperature sensor, SOIC-8. 12-bit, 0.0625 °C, ±1 °C, LM75 pinout. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "temperature",
    "i2c",
    "soic-8",
    "texas-instruments"
  ],
  "component": {
    "mpn": "TMP75",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Digital temperature sensor",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tmp75.pdf",
    "parts": {
      "symbol": "tmp75.kicad_sym",
      "footprint": "tmp75.kicad_mod",
      "model_3d": "tmp75-etched.glb",
      "model_3d_plain": "tmp75.glb",
      "lbr": "tmp75.lbr",
      "model_3d_step": "tmp75-etched.step",
      "model_3d_step_plain": "tmp75.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data line for the I2C/SMBus/Two-Wire interface. Open-drain output; requires an external pull-up resistor (typ. 4.7 kΩ). VIH ≥ 0.7·V+, VIL ≤ 0.3·V+; VOL ≤ 0.4 V at IOL = 3 mA."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock line for the I2C/SMBus/Two-Wire interface. Open-drain; requires an external pull-up resistor (typ. 4.7 kΩ). Supports standard, fast, and high-speed modes up to 3.4 MHz."
      },
      {
        "number": "3",
        "name": "ALERT",
        "type": "output",
        "description": "Overtemperature alert / SMBus Alert output. Open-drain; requires an external pull-up resistor. VOL ≤ 0.4 V at IOL = 4 mA. Asserted when the measured temperature crosses the programmed THIGH/TLOW thresholds per the configuration register."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference (0 V)."
      },
      {
        "number": "5",
        "name": "A2",
        "type": "input",
        "description": "I2C slave-address select bit 2. Tie to GND or V+ to set the corresponding address bit. May be left floating on the TMP75 for a third state, giving up to 8 selectable addresses."
      },
      {
        "number": "6",
        "name": "A1",
        "type": "input",
        "description": "I2C slave-address select bit 1. Tie to GND or V+ to set the corresponding address bit. May be left floating on the TMP75 for a third state."
      },
      {
        "number": "7",
        "name": "A0",
        "type": "input",
        "description": "I2C slave-address select bit 0. Tie to GND or V+ to set the corresponding address bit. May be left floating on the TMP75 for a third state."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply voltage input, 2.7 V to 5.5 V (absolute max 6.5 V on TMP75). Quiescent current typically 50 µA active, 0.1 µA in shutdown. A 0.01 µF bypass capacitor to GND is recommended."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tmp75.pdf",
        "pages": 35,
        "sha256": "30ddeda575764440",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tmp75.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmp75-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": "ed1550dd491ed1b3f4945a2d62257cafa8b6a657b92575ba045f9f5fd13d8acd",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Digital temperature sensor (I2C / SMBus)",
      "Resolution": "12-bit (0.0625 °C)",
      "Accuracy": "±1 °C typ",
      "Interface": "I2C / SMBus, address pins A0-A2",
      "Alert": "Programmable ALERT / OS output",
      "Supply voltage": "2.7-5.5 V",
      "Form factor": "LM75-compatible pinout",
      "Package": "SOIC-8",
      "Body (L×W×H)": "4.9 × 3.9 × 1.75 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tmp75",
    "i2c temperature sensor",
    "digital temp sensor soic-8",
    "lm75 temperature sensor"
  ],
  "discovery_pitch": "TI TMP75 I2C digital temperature sensor (SOIC-8, LM75 pinout) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "tmp75.glb",
    "tmp75.lbr",
    "docs/hero.png",
    "docs/tmp75-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmp75-etched.step"
  ],
  "variants": [
    {
      "mpn": "TMP75AID (SOIC-8, tube)",
      "kind": "packaging"
    },
    {
      "mpn": "TMP75AIDR (SOIC-8, tape & reel)",
      "kind": "packaging"
    }
  ]
}