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Initial commit: component/lm57tpwr

Ray ·b6fc3ed9ee ·2d ago
2 files changed +203
README.mdadded+45
@@ -0,0 +1,45 @@+# LM57TPWR++**Texas Instruments** · Thermostat Switches · TSSOP-8++LM57TPWR from Texas Instruments, in a TSSOP-8. 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 | GND | power_in | Power supply ground. |+| 2 | SENSE1 | input | Analog trip-point resistor sense input; one of two sense pins which selects the temperature at which TOVER and TOVER will assert via external resistor divider. |+| 3 | SENSE2 | input | Analog trip-point resistor sense input; one of two sense pins which selects the temperature at which TOVER and TOVER will assert via external resistor divider. |+| 4 | VDD | power_in | Power supply voltage input; recommended operating range from 2.4 V to 5.5 V. |+| 5 | TRIP TEST | input | Active-high digital test input; when low (default) VTEMP provides analog temperature sensor output, when high TOVER and TOVER outputs assert and VTEMP equals VTRIP. |+| 6 | TOVER | tri_state | Overtemperature switch output, active-low open-drain; asserted when measured temperature exceeds the trip point temperature or if TRIP TEST = 1, requires external pullup resistor. |+| 7 | TOVER | output | Overtemperature switch output, active-high push-pull; asserted when measured temperature exceeds the trip point temperature or if TRIP TEST = 1. |+| 8 | VTEMP | output | Analog temperature sensor output voltage; provides temperature-proportional voltage from -50°C to +150°C with accuracy of ±1.3°C or ±2.3°C depending on grade. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-8 |+| Category | Sensors |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM57TPWR`+- Footprint: `Package_SO:TSSOP-8_3x3mm_P0.65mm`+- 3D model: TSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm57tpwr-etched.step` / `lm57tpwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm57tpwr.step` / `lm57tpwr.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/lm57) (40 pp, sha256 `53a57eff808bac33`, retrieved 2026-10-03, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/lm57tpwr-datasheet.pdf)
page.jsonadded+158
@@ -0,0 +1,158 @@+{+  "slug": "lm57tpwr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Thermostat Switches, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "sensors",+    "lm57tpwr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm57tpwr.kicad_sym",+    "lm57tpwr.kicad_mod",+    "lm57tpwr.glb",+    "lm57tpwr.step",+    "lm57tpwr.lbr",+    "docs/hero.png",+    "docs/lm57tpwr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm57tpwr-hero.glb",+    "lm57tpwr-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM57TPWR",+    "manufacturer": "Texas Instruments",+    "package": "TSSOP-8",+    "pin_count": 8,+    "category": "Sensors",+    "subcategory": "Thermostat Switches",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm57",+    "parts": {+      "symbol": "lm57tpwr.kicad_sym",+      "footprint": "lm57tpwr.kicad_mod",+      "model_3d": "lm57tpwr-hero.glb",+      "model_3d_plain": "lm57tpwr.glb",+      "model_3d_step": "lm57tpwr-etched.step",+      "model_3d_step_plain": "lm57tpwr.step",+      "lbr": "lm57tpwr.lbr"+    },+    "distributor_links": {+      "lcsc": 2866381,+      "digikey": "296-LM57TPWRTR-ND",+      "mouser": "595-LM57TPWR"+    },+    "distributor_check": {+      "checked_at": "2026-10-03T03:33:04Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-LM57TPWRTR-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-LM57TPWR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "GND",+        "type": "power_in",+        "description": "Power supply ground."+      },+      {+        "number": "2",+        "name": "SENSE1",+        "type": "input",+        "description": "Analog trip-point resistor sense input; one of two sense pins which selects the temperature at which TOVER and TOVER will assert via external resistor divider."+      },+      {+        "number": "3",+        "name": "SENSE2",+        "type": "input",+        "description": "Analog trip-point resistor sense input; one of two sense pins which selects the temperature at which TOVER and TOVER will assert via external resistor divider."+      },+      {+        "number": "4",+        "name": "VDD",+        "type": "power_in",+        "description": "Power supply voltage input; recommended operating range from 2.4 V to 5.5 V."+      },+      {+        "number": "5",+        "name": "TRIP TEST",+        "type": "input",+        "description": "Active-high digital test input; when low (default) VTEMP provides analog temperature sensor output, when high TOVER and TOVER outputs assert and VTEMP equals VTRIP."+      },+      {+        "number": "6",+        "name": "TOVER",+        "type": "tri_state",+        "description": "Overtemperature switch output, active-low open-drain; asserted when measured temperature exceeds the trip point temperature or if TRIP TEST = 1, requires external pullup resistor."+      },+      {+        "number": "7",+        "name": "TOVER",+        "type": "output",+        "description": "Overtemperature switch output, active-high push-pull; asserted when measured temperature exceeds the trip point temperature or if TRIP TEST = 1."+      },+      {+        "number": "8",+        "name": "VTEMP",+        "type": "output",+        "description": "Analog temperature sensor output voltage; provides temperature-proportional voltage from -50°C to +150°C with accuracy of ±1.3°C or ±2.3°C depending on grade."+      }+    ],+    "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": 10,+        "cost_usd": 0.1177,+        "at": "2026-10-03T03:32:41"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm57",+        "pages": 40,+        "sha256": "53a57eff808bac33",+        "source_tier": "lcsc"+      },+      "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"+    }+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file