component
LM57TPWR
Public Made by Adomby adom
Texas Instruments Thermostat Switches, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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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]"+ }+}