component
LM809M3-4.38
Public Made by Adomby adom
Texas Instruments Supervisor And Reset ICs, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# LM809M3-4.38++**Texas Instruments** · Supervisor And Reset ICs · SOT-23-3++LM809M3-4.38 from Texas Instruments, in a SOT-23-3. 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 | Ground reference for the supervisor. |+| 2 | RESET | output | Active-low reset output (LM809): RESET remains low while VCC is below the reset threshold and for 240 ms after VCC rises above the reset threshold, with VOL specified at up to 0.4 V at 3.2 mA sink for the 4.38 V version. |+| 3 | VCC | power_in | Supply voltage monitored against the factory-programmed reset threshold; recommended input range is 1.2 V to 5.5 V over -40°C to 105°C and the absolute maximum is 6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-3 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LM809M3-4.38`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)+- 3D model files: `lm809m3-4-38-etched.step` / `lm809m3-4-38-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm809m3-4-38.step` / `lm809m3-4-38.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/lm809) (20 pp, sha256 `e95efdb789aa7ac6`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/lm809m3-4-38-datasheet.pdf)
page.jsonadded+167@@ -0,0 +1,167 @@+{+ "slug": "lm809m3-4-38",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Supervisor And Reset ICs, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm809m3-4.38",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm809m3-4-38.kicad_sym",+ "lm809m3-4-38.kicad_mod",+ "lm809m3-4-38.glb",+ "lm809m3-4-38.step",+ "lm809m3-4-38.lbr",+ "docs/hero.png",+ "docs/lm809m3-4-38-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm809m3-4-38-hero.glb",+ "lm809m3-4-38-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM809M3-4.38",+ "manufacturer": "Texas Instruments",+ "package": "SOT-23-3",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Supervisor And Reset ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm809",+ "parts": {+ "symbol": "lm809m3-4-38.kicad_sym",+ "footprint": "lm809m3-4-38.kicad_mod",+ "model_3d": "lm809m3-4-38-hero.glb",+ "model_3d_plain": "lm809m3-4-38.glb",+ "model_3d_step": "lm809m3-4-38-etched.step",+ "model_3d_step_plain": "lm809m3-4-38.step",+ "lbr": "lm809m3-4-38.lbr"+ },+ "distributor_links": {+ "lcsc": "C701912"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T09:51:56Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the supervisor."+ },+ {+ "number": "2",+ "name": "RESET",+ "type": "output",+ "description": "Active-low reset output (LM809): RESET remains low while VCC is below the reset threshold and for 240 ms after VCC rises above the reset threshold, with VOL specified at up to 0.4 V at 3.2 mA sink for the 4.38 V version."+ },+ {+ "number": "3",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage monitored against the factory-programmed reset threshold; recommended input range is 1.2 V to 5.5 V over -40°C to 105°C and the absolute maximum is 6 V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin 2 is RESET on the LM809 (active-low), which matches LM809M3-4.38. The LM810 variant has the same; The datasheet lists VCC as type 'I'; it is mapped to KiCad power_in because it is the supply pin. Th; The MPN given (LM809M3-4.38) is listed in the package addendum as LM809M3-4.38/NOPB (SOT-23, DBZ, 3-"+ ],+ "pages_sent": 20,+ "cost_usd": 0.077,+ "at": "2026-10-08T09:51:43"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm809",+ "pages": 20,+ "sha256": "e95efdb789aa7ac6",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 3,+ "described": 3,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm809m3-4-38.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.5,+ 3,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm809m3-4-38-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 2.5,+ 3,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "094c51a41fbbd60bf876b7d4d0e6a83f1b0e9fcae2da633bf408d86718bdceb7",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}