component
LM3881MM
Public Made by Adomby adom
Texas Instruments Supervisor And Reset ICs, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LM3881MM++**Texas Instruments** · Supervisor And Reset ICs · VSSOP-8++LM3881MM from Texas Instruments, in a VSSOP-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 | VCC | power_in | Input supply voltage, 2.7 V to 5.5 V |+| 2 | EN | input | Precision enable input with 1.22 V threshold to initiate power-up sequence |+| 3 | GND | power_in | Ground |+| 4 | INV | input | Output logic invert control input; tie to logic high or low, must not float |+| 5 | TADJ | output | Timer adjust output driven by 12 µA typical current source/sink to charge/discharge external timing capacitor |+| 6 | FLAG3 | tri_state | Open-drain output 3, sequentially released 8 clock cycles after FLAG2 during power-up sequence |+| 7 | FLAG2 | tri_state | Open-drain output 2, sequentially released 8 clock cycles after FLAG1 during power-up sequence |+| 8 | FLAG1 | tri_state | Open-drain output 1, first to release 9-10 clock cycles after EN threshold exceeded during power-up |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM3881MM`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm3881mm-etched.step` / `lm3881mm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3881mm.step` / `lm3881mm.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/lm3881) (28 pp, sha256 `5a16f08fc251070f`, retrieved 2026-09-27, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/lm3881mm-datasheet.pdf)
page.jsonadded+153@@ -0,0 +1,153 @@+{+ "slug": "lm3881mm",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Supervisor And Reset ICs, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm3881mm",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm3881mm.kicad_sym",+ "lm3881mm.kicad_mod",+ "lm3881mm.glb",+ "lm3881mm.step",+ "lm3881mm.lbr",+ "docs/hero.png",+ "docs/lm3881mm-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM3881MM",+ "manufacturer": "Texas Instruments",+ "package": "VSSOP-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Supervisor And Reset ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm3881",+ "parts": {+ "symbol": "lm3881mm.kicad_sym",+ "footprint": "lm3881mm.kicad_mod",+ "model_3d": "lm3881mm-etched.glb",+ "model_3d_plain": "lm3881mm.glb",+ "model_3d_step": "lm3881mm-etched.step",+ "model_3d_step_plain": "lm3881mm.step",+ "lbr": "lm3881mm.lbr"+ },+ "distributor_links": {+ "lcsc": "C529560"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T10:28:48Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC",+ "type": "power_in",+ "description": "Input supply voltage, 2.7 V to 5.5 V"+ },+ {+ "number": "2",+ "name": "EN",+ "type": "input",+ "description": "Precision enable input with 1.22 V threshold to initiate power-up sequence"+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Ground"+ },+ {+ "number": "4",+ "name": "INV",+ "type": "input",+ "description": "Output logic invert control input; tie to logic high or low, must not float"+ },+ {+ "number": "5",+ "name": "TADJ",+ "type": "output",+ "description": "Timer adjust output driven by 12 µA typical current source/sink to charge/discharge external timing capacitor"+ },+ {+ "number": "6",+ "name": "FLAG3",+ "type": "tri_state",+ "description": "Open-drain output 3, sequentially released 8 clock cycles after FLAG2 during power-up sequence"+ },+ {+ "number": "7",+ "name": "FLAG2",+ "type": "tri_state",+ "description": "Open-drain output 2, sequentially released 8 clock cycles after FLAG1 during power-up sequence"+ },+ {+ "number": "8",+ "name": "FLAG1",+ "type": "tri_state",+ "description": "Open-drain output 1, first to release 9-10 clock cycles after EN threshold exceeded during power-up"+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 28,+ "cost_usd": 0.179,+ "at": "2026-09-27T10:28:32"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm3881",+ "pages": 28,+ "sha256": "5a16f08fc251070f",+ "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]"+ }+}