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NCT175DMR2G-TUDI
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Tudi Temperature and Humidity Sensor, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# NCT175DMR2G-TUDI++**Tudi** · Temperature and Humidity Sensor · MSOP-8++NCT175DMR2G-TUDI from Tudi, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | SDA | bidirectional | Serial data line for the SMBus / I2C two-wire interface. Open-drain output, requires an external pull-up resistor to V+. |+| 2 | SCL | input | Serial clock input for the SMBus / I2C two-wire interface. Open-drain, requires an external pull-up resistor. |+| 3 | ALERT | output | Over-temperature alert / interrupt output. Open-drain output (polarity selectable via POL bit); requires an external pull-up resistor. Asserts in Comparator or Interrupt mode when T_HIGH / T_LOW limits are exceeded. |+| 4 | GND | power_in | Device ground / power supply return. |+| 5 | A2 | input | I2C slave address select bit 2. Tie to V+ or GND to set the corresponding bit of the 7-bit slave address (1001_A2A1A0). |+| 6 | A1 | input | I2C slave address select bit 1. Tie to V+ or GND to set the corresponding bit of the 7-bit slave address (1001_A2A1A0). |+| 7 | A0 | input | I2C slave address select bit 0. Tie to V+ or GND to set the corresponding bit of the 7-bit slave address (1001_A2A1A0). |+| 8 | V+ | power_in | Positive supply voltage input. Operating range 1.4 V to 5.5 V (absolute max 6 V). Bypass to GND with a 0.1 uF ceramic capacitor close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Tudi |+| Package | MSOP-8 |+| Category | Sensor |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `NCT175DMR2G-TUDI`+- `NCT175DMR2G-TUDINCT75DMR2G-TUDI`+- `NCT175DMR2G-TUDINCT75DR2G-TUDI`++## CAD (KiCad official)++- Symbol: `NCT175DMR2G-TUDI`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Tudi datasheet](docs/nct175dmr2g-tudi-datasheet.pdf) (15 pp, sha256 `e61d5d94263ffb5d`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/nct175dmr2g-tudi-datasheet.pdf)
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