component
LIS2DS12TR
Public Made by Adomby adom
STMicroelectronics Accelerometers, LGA-12(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+48@@ -0,0 +1,48 @@+# LIS2DS12TR++**STMicroelectronics** · Accelerometers · LGA-12(2x2)++LIS2DS12TR from STMicroelectronics, in a LGA-12(2x2). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | SCL/SPC | input | I2C serial clock (SCL) or SPI serial port clock (SPC); receives clock input from master; supports I2C fast mode (400 kHz) and normal mode. |+| 2 | CS | input | Chip select for SPI enable and I2C/SPI mode selection; high for I2C communication and SPI idle mode, low for SPI communication; has active pull-up and can be left unconnected. |+| 3 | SDO/SA0 | output | SPI serial data output (SDO) in SPI mode or I2C device address least significant bit (SA0) in I2C mode; SA0 selection determined by external connection to Vdd_IO for address 0011101b or GND for address 0011110b. |+| 4 | SDA/SDI/SDO | bidirectional | I2C serial data (SDA) bidirectional line in I2C mode, SPI serial data input (SDI) in 4-wire SPI mode, or SPI 3-wire interface serial data output (SDO); open-drain configuration in I2C mode. |+| 5 | NC | unconnected | Internally not connected; can be tied to Vdd, Vdd_IO, or GND. |+| 6 | GND | power_in | Ground (0 V reference); must be present simultaneously with Vdd and Vdd_IO for proper IC operation. |+| 7 | RES | input | Reset input (active low); connect to GND for normal operation. |+| 8 | GND | power_in | Ground (0 V reference); must be present simultaneously with Vdd and Vdd_IO for proper IC operation. |+| 9 | Vdd | power_in | Power supply for device core; supply voltage range 1.62 V to 1.98 V; requires 100 nF ceramic and 10 μF aluminum decoupling capacitors placed near this pin. |+| 10 | Vdd_IO | power_in | Power supply for I/O pins; supply voltage range 1.62 V to Vdd+0.1 V; can be maintained without Vdd for I2C/SPI communication when measurement chain is powered off. |+| 11 | INT2 | output | Interrupt pin 2; output signal for interrupt events; functions as I2C clock master line (MSCL) when sensor hub is used and can be internally pulled up through TUD_EN bit of FUNC_CTRL register. |+| 12 | INT1 | output | Interrupt pin 1; output signal for interrupt events generated by device functions. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LGA-12(2x2) |+| Category | Sensors |+| Pins | 12 |++## CAD (KiCad official)++- Symbol: `LIS2DS12TR`+- Footprint: `Package_LGA:LGA-12_2x2mm_P0.5mm`+- 3D model: LGA-12(2x2) (KiCad packages3D, STEP)+- 3D model files: `lis2ds12tr-etched.step` / `lis2ds12tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lis2ds12tr.step` / `lis2ds12tr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894165480443904) (69 pp, sha256 `d417976745afc769`, retrieved 2026-10-05, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lis2ds12tr-datasheet.pdf)
page.jsonadded+183@@ -0,0 +1,183 @@+{+ "slug": "lis2ds12tr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Accelerometers, LGA-12(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "sensors",+ "lis2ds12tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lis2ds12tr.kicad_sym",+ "lis2ds12tr.kicad_mod",+ "lis2ds12tr.glb",+ "lis2ds12tr.step",+ "lis2ds12tr.lbr",+ "docs/hero.png",+ "docs/lis2ds12tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lis2ds12tr-hero.glb",+ "lis2ds12tr-hero.overlay.json"+ ],+ "component": {+ "mpn": "LIS2DS12TR",+ "manufacturer": "STMicroelectronics",+ "package": "LGA-12(2x2)",+ "pin_count": 12,+ "category": "Sensors",+ "subcategory": "Accelerometers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894165480443904",+ "parts": {+ "symbol": "lis2ds12tr.kicad_sym",+ "footprint": "lis2ds12tr.kicad_mod",+ "model_3d": "lis2ds12tr-hero.glb",+ "model_3d_plain": "lis2ds12tr.glb",+ "model_3d_step": "lis2ds12tr-etched.step",+ "model_3d_step_plain": "lis2ds12tr.step",+ "lbr": "lis2ds12tr.lbr"+ },+ "distributor_links": {+ "lcsc": 915682,+ "digikey": "497-16261-2-ND",+ "mouser": "511-LIS2DS12TR"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T23:51:20Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-16261-2-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "511-LIS2DS12TR",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SCL/SPC",+ "type": "input",+ "description": "I2C serial clock (SCL) or SPI serial port clock (SPC); receives clock input from master; supports I2C fast mode (400 kHz) and normal mode."+ },+ {+ "number": "2",+ "name": "CS",+ "type": "input",+ "description": "Chip select for SPI enable and I2C/SPI mode selection; high for I2C communication and SPI idle mode, low for SPI communication; has active pull-up and can be left unconnected."+ },+ {+ "number": "3",+ "name": "SDO/SA0",+ "type": "output",+ "description": "SPI serial data output (SDO) in SPI mode or I2C device address least significant bit (SA0) in I2C mode; SA0 selection determined by external connection to Vdd_IO for address 0011101b or GND for address 0011110b."+ },+ {+ "number": "4",+ "name": "SDA/SDI/SDO",+ "type": "bidirectional",+ "description": "I2C serial data (SDA) bidirectional line in I2C mode, SPI serial data input (SDI) in 4-wire SPI mode, or SPI 3-wire interface serial data output (SDO); open-drain configuration in I2C mode."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "Internally not connected; can be tied to Vdd, Vdd_IO, or GND."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Ground (0 V reference); must be present simultaneously with Vdd and Vdd_IO for proper IC operation."+ },+ {+ "number": "7",+ "name": "RES",+ "type": "input",+ "description": "Reset input (active low); connect to GND for normal operation."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground (0 V reference); must be present simultaneously with Vdd and Vdd_IO for proper IC operation."+ },+ {+ "number": "9",+ "name": "Vdd",+ "type": "power_in",+ "description": "Power supply for device core; supply voltage range 1.62 V to 1.98 V; requires 100 nF ceramic and 10 μF aluminum decoupling capacitors placed near this pin."+ },+ {+ "number": "10",+ "name": "Vdd_IO",+ "type": "power_in",+ "description": "Power supply for I/O pins; supply voltage range 1.62 V to Vdd+0.1 V; can be maintained without Vdd for I2C/SPI communication when measurement chain is powered off."+ },+ {+ "number": "11",+ "name": "INT2",+ "type": "output",+ "description": "Interrupt pin 2; output signal for interrupt events; functions as I2C clock master line (MSCL) when sensor hub is used and can be internally pulled up through TUD_EN bit of FUNC_CTRL register."+ },+ {+ "number": "12",+ "name": "INT1",+ "type": "output",+ "description": "Interrupt pin 1; output signal for interrupt events generated by device functions."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 21,+ "cost_usd": 0.1934,+ "at": "2026-10-05T23:51:08"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894165480443904",+ "pages": 69,+ "sha256": "d417976745afc769",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 12,+ "described": 12,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}