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Initial commit: component/ads1147ipw

Ray ·dd86f92d86 ·4d ago
2 files changed +286
README.mdadded+56
@@ -0,0 +1,56 @@+# ADS1147IPW++**Texas Instruments** · Analog To Digital Converters (ADC) · TSSOP-20++ADS1147IPW from Texas Instruments, in a TSSOP-20. 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 | DVDD | power_in | Digital power supply, connect a 0.1-µF capacitor to DGND |+| 2 | DGND | power_in | Digital ground |+| 3 | CLK | input | External clock input, tie to DGND to activate the internal oscillator. |+| 4 | RESET | input | Reset (active low) |+| 5 | REFP0/GPIO0 | bidirectional | Positive external reference input 0, or general-purpose digital input/output pin 1 |+| 6 | REFN0/GPIO1 | bidirectional | Negative external reference input 0, or general-purpose digital input/output pin 1 |+| 7 | VREFOUT | output | Positive internal reference voltage output, connect a capacitor in the range of 1 µF to 47 µF to VREFCOM |+| 8 | VREFCOM | output | Negative internal reference voltage output, connect to AVSS when using a unipolar supply or to the mid-voltage ground when using a bipolar supply |+| 9 | AIN0/IEXC | input | Analog input 0, optional excitation current output |+| 10 | AIN1/IEXC | input | Analog input 1, optional excitation current output |+| 11 | AIN2/IEXC/GPIO2 | bidirectional | Analog input 2, optional excitation current output, or general-purpose digital input/output pin 2 |+| 12 | AIN3/IEXC/GPIO3 | bidirectional | Analog input 3, optional excitation current output, or general-purpose digital input/output pin 3 |+| 13 | AVSS | power_in | Negative analog power supply |+| 14 | AVDD | power_in | Positive analog power supply, connect a 0.1-µF capacitor to AVSS |+| 15 | START | input | Conversion start |+| 16 | CS | input | Chip select (active low) |+| 17 | DRDY | output | Data ready (active low) |+| 18 | DOUT/DRDY | output | Serial data output, or data out combined with data ready |+| 19 | DIN | input | Serial data input |+| 20 | SCLK | input | Serial clock input |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-20 |+| Category | Data Acquisition |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `ADS1147IPW`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (KiCad packages3D, STEP)+- 3D model files: `ads1147ipw-etched.step` / `ads1147ipw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads1147ipw.step` / `ads1147ipw.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ads1148) (100 pp, sha256 `45e0fc75c85fcf9e`, retrieved 2026-10-01, 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/ads1147ipw-datasheet.pdf)
page.jsonadded+230
@@ -0,0 +1,230 @@+{+  "slug": "ads1147ipw",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Analog To Digital Converters (ADC), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "data acquisition",+    "ads1147ipw",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "ads1147ipw.kicad_sym",+    "ads1147ipw.kicad_mod",+    "ads1147ipw.glb",+    "ads1147ipw.step",+    "ads1147ipw.lbr",+    "docs/hero.png",+    "docs/ads1147ipw-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "ADS1147IPW",+    "manufacturer": "Texas Instruments",+    "package": "TSSOP-20",+    "pin_count": 20,+    "category": "Data Acquisition",+    "subcategory": "Analog To Digital Converters (ADC)",+    "datasheet": "https://www.ti.com/cn/lit/gpn/ads1148",+    "parts": {+      "symbol": "ads1147ipw.kicad_sym",+      "footprint": "ads1147ipw.kicad_mod",+      "model_3d": "ads1147ipw-etched.glb",+      "model_3d_plain": "ads1147ipw.glb",+      "model_3d_step": "ads1147ipw-etched.step",+      "model_3d_step_plain": "ads1147ipw.step",+      "lbr": "ads1147ipw.lbr"+    },+    "distributor_links": {+      "lcsc": "C1542558",+      "digikey": "296-27416-5-ND",+      "mouser": "595-ADS1147IPW"+    },+    "distributor_check": {+      "checked_at": "2026-10-01T02:07:59Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-27416-5-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-ADS1147IPW",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "DVDD",+        "type": "power_in",+        "description": "Digital power supply, connect a 0.1-µF capacitor to DGND"+      },+      {+        "number": "2",+        "name": "DGND",+        "type": "power_in",+        "description": "Digital ground"+      },+      {+        "number": "3",+        "name": "CLK",+        "type": "input",+        "description": "External clock input, tie to DGND to activate the internal oscillator."+      },+      {+        "number": "4",+        "name": "RESET",+        "type": "input",+        "description": "Reset (active low)"+      },+      {+        "number": "5",+        "name": "REFP0/GPIO0",+        "type": "bidirectional",+        "description": "Positive external reference input 0, or general-purpose digital input/output pin 1"+      },+      {+        "number": "6",+        "name": "REFN0/GPIO1",+        "type": "bidirectional",+        "description": "Negative external reference input 0, or general-purpose digital input/output pin 1"+      },+      {+        "number": "7",+        "name": "VREFOUT",+        "type": "output",+        "description": "Positive internal reference voltage output, connect a capacitor in the range of 1 µF to 47 µF to VREFCOM"+      },+      {+        "number": "8",+        "name": "VREFCOM",+        "type": "output",+        "description": "Negative internal reference voltage output, connect to AVSS when using a unipolar supply or to the mid-voltage ground when using a bipolar supply"+      },+      {+        "number": "9",+        "name": "AIN0/IEXC",+        "type": "input",+        "description": "Analog input 0, optional excitation current output"+      },+      {+        "number": "10",+        "name": "AIN1/IEXC",+        "type": "input",+        "description": "Analog input 1, optional excitation current output"+      },+      {+        "number": "11",+        "name": "AIN2/IEXC/GPIO2",+        "type": "bidirectional",+        "description": "Analog input 2, optional excitation current output, or general-purpose digital input/output pin 2"+      },+      {+        "number": "12",+        "name": "AIN3/IEXC/GPIO3",+        "type": "bidirectional",+        "description": "Analog input 3, optional excitation current output, or general-purpose digital input/output pin 3"+      },+      {+        "number": "13",+        "name": "AVSS",+        "type": "power_in",+        "description": "Negative analog power supply"+      },+      {+        "number": "14",+        "name": "AVDD",+        "type": "power_in",+        "description": "Positive analog power supply, connect a 0.1-µF capacitor to AVSS"+      },+      {+        "number": "15",+        "name": "START",+        "type": "input",+        "description": "Conversion start"+      },+      {+        "number": "16",+        "name": "CS",+        "type": "input",+        "description": "Chip select (active low)"+      },+      {+        "number": "17",+        "name": "DRDY",+        "type": "output",+        "description": "Data ready (active low)"+      },+      {+        "number": "18",+        "name": "DOUT/DRDY",+        "type": "output",+        "description": "Serial data output, or data out combined with data ready"+      },+      {+        "number": "19",+        "name": "DIN",+        "type": "input",+        "description": "Serial data input"+      },+      {+        "number": "20",+        "name": "SCLK",+        "type": "input",+        "description": "Serial clock input"+      }+    ],+    "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": [+          "extractor flagged: REFP0/GPIO0 (pin 5) and REFN0/GPIO1 (pin 6) both have identical GPIO pin descriptions both ending wi"+        ],+        "pages_sent": 23,+        "cost_usd": 0.2561,+        "at": "2026-10-01T02:07:42"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/ads1148",+        "pages": 100,+        "sha256": "45e0fc75c85fcf9e",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 20,+        "described": 20,+        "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]"+  }+}\ No newline at end of file