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LP2987AIMX-5.0
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-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 @@+# LP2987AIMX-5.0++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++LP2987AIMX-5.0 from Texas Instruments, in a SOIC-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 | N/C | unconnected | No internal connection on the LP2987; the Bypass pin function is specific to the LP2988 (noise-reduction capacitor). |+| 2 | DELAY | passive | Connect a capacitor here to set the power-on reset delay; the 2.2 µA source charges it to 1.23 V, and the maximum recommended value is 1 µF. |+| 3 | GROUND | power_in | Ground reference pin; ground pin current is typically 1 mA at 200 mA load and 200 µA at 10 mA load. |+| 4 | INPUT | power_in | Unregulated supply input, operating range 2.1 V to 16 V, requiring an input capacitor of at least 2.2 µF placed within 0.5 in of the pin. |+| 5 | ERROR | output | Open-collector error/reset flag that goes low when the output drops about 5% below nominal, and requires an external pull-up resistor. |+| 6 | SHUTDOWN | input | Shutdown input: driving it low turns the regulator off (quiescent current below 2 µA), pin limits are −0.3 V to +16 V, and it must be tied to INPUT if unused. |+| 7 | OUTPUT | power_out | Regulated 5.0 V output rated for 200 mA continuous with specified peak above 250 mA, short-circuit protected, requiring a minimum of 4.7 µF output capacitance. |+| 8 | SENSE | input | Output voltage sense input, absolute maximum rating −0.3 V to +6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LP2987AIMX-5.0`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lp2987aimx-5-0-etched.step` / `lp2987aimx-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp2987aimx-5-0.step` / `lp2987aimx-5-0.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/lp2988) (38 pp, sha256 `79f49a22be2bfe07`, 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/lp2987aimx-5-0-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lp2987aimx-5.0",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lp2987aimx-5-0.kicad_sym",+ "lp2987aimx-5-0.kicad_mod",+ "lp2987aimx-5-0.glb",+ "lp2987aimx-5-0.step",+ "lp2987aimx-5-0.lbr",+ "docs/hero.png",+ "docs/lp2987aimx-5-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lp2987aimx-5-0-hero.glb",+ "lp2987aimx-5-0-hero.overlay.json"+ ],+ "component": {+ "mpn": "LP2987AIMX-5.0",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lp2988",+ "parts": {+ "symbol": "lp2987aimx-5-0.kicad_sym",+ "footprint": "lp2987aimx-5-0.kicad_mod",+ "model_3d": "lp2987aimx-5-0-hero.glb",+ "model_3d_plain": "lp2987aimx-5-0.glb",+ "model_3d_step": "lp2987aimx-5-0-etched.step",+ "model_3d_step_plain": "lp2987aimx-5-0.step",+ "lbr": "lp2987aimx-5-0.lbr"+ },+ "distributor_links": {+ "lcsc": "C2867873",+ "digikey": "LP2987AIMX-5.0TR-ND",+ "mouser": "926-LP2987AIMX-50"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T18:49:55Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LP2987AIMX-5.0TR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LP2987AIMX-50",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "N/C",+ "type": "unconnected",+ "description": "No internal connection on the LP2987; the Bypass pin function is specific to the LP2988 (noise-reduction capacitor)."+ },+ {+ "number": "2",+ "name": "DELAY",+ "type": "passive",+ "description": "Connect a capacitor here to set the power-on reset delay; the 2.2 µA source charges it to 1.23 V, and the maximum recommended value is 1 µF."+ },+ {+ "number": "3",+ "name": "GROUND",+ "type": "power_in",+ "description": "Ground reference pin; ground pin current is typically 1 mA at 200 mA load and 200 µA at 10 mA load."+ },+ {+ "number": "4",+ "name": "INPUT",+ "type": "power_in",+ "description": "Unregulated supply input, operating range 2.1 V to 16 V, requiring an input capacitor of at least 2.2 µF placed within 0.5 in of the pin."+ },+ {+ "number": "5",+ "name": "ERROR",+ "type": "output",+ "description": "Open-collector error/reset flag that goes low when the output drops about 5% below nominal, and requires an external pull-up resistor."+ },+ {+ "number": "6",+ "name": "SHUTDOWN",+ "type": "input",+ "description": "Shutdown input: driving it low turns the regulator off (quiescent current below 2 µA), pin limits are −0.3 V to +16 V, and it must be tied to INPUT if unused."+ },+ {+ "number": "7",+ "name": "OUTPUT",+ "type": "power_out",+ "description": "Regulated 5.0 V output rated for 200 mA continuous with specified peak above 250 mA, short-circuit protected, requiring a minimum of 4.7 µF output capacitance."+ },+ {+ "number": "8",+ "name": "SENSE",+ "type": "input",+ "description": "Output voltage sense input, absolute maximum rating −0.3 V to +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: The SOIC-8 connection diagram text is garbled: the labels and pin numbers are extracted as separate ; Pin 1 is labeled N/C for the LP2987 by inference from the LP2988-only Bypass feature. The explicit L; Pin descriptions for DELAY, ERROR, SHUTDOWN and OUTPUT draw on pages 3-17 for limits (e.g., 1.23 V t"+ ],+ "pages_sent": 38,+ "cost_usd": 0.3469,+ "at": "2026-10-08T18:49:16"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lp2988",+ "pages": 38,+ "sha256": "79f49a22be2bfe07",+ "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"+ },+ "models_3d": [+ {+ "file": "lp2987aimx-5-0.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lp2987aimx-5-0-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "c27a707032951c78a13f023a6edcd17d4735996b1e55d09c00e42f552852fb24",+ "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]"+ }+}