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LP2997MRX
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Texas Instruments Power Management - Specialized, ESOP-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 @@+# LP2997MRX++**Texas Instruments** · Power Management - Specialized · ESOP-8++LP2997MRX from Texas Instruments, in a ESOP-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 | Ground connection. |+| 2 | SD | input | Active low shutdown pin for Suspend to RAM functionality; when pulled low, VTT tri-states while VREF remains active. |+| 3 | VSENSE | input | Feedback pin for remote load regulation of VTT; connect to termination bus at regulation point, typically middle of bus for optimal distribution. |+| 4 | VREF | power_in | Buffered output of internal reference voltage equal to VDDQ/2; provides reference voltage for chipset and memory. |+| 5 | VDDQ | power_in | Input for internal 50kΩ resistor divider generating reference voltage; connect directly to 1.8V rail at DIMM for accurate tracking without voltage drop. |+| 6 | AVIN | power_in | Analog supply input for internal control circuitry; operating range 2.2V to 5.5V (typical 2.5V). |+| 7 | PVIN | power_in | Power supply input for output stage; connect to 1.8V or 2.5V rail; AVIN must be greater than or equal to PVIN. |+| 8 | VTT | output | Regulated output voltage equal to VDDQ/2; capable of sinking and sourcing ±0.5A continuous current with transient peaks up to 900mA. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | ESOP-8 |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LP2997MRX`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm`+- 3D model: ESOP-8 (KiCad packages3D, STEP)+- 3D model files: `lp2997mrx-etched.step` / `lp2997mrx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp2997mrx.step` / `lp2997mrx.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/lp2997) (28 pp, sha256 `db63c8b8af1fb897`, 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/lp2997mrx-datasheet.pdf)
page.jsonadded+166@@ -0,0 +1,166 @@+{+ "slug": "lp2997mrx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Power Management - Specialized, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lp2997mrx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lp2997mrx.kicad_sym",+ "lp2997mrx.kicad_mod",+ "lp2997mrx.glb",+ "lp2997mrx.step",+ "lp2997mrx.lbr",+ "docs/hero.png",+ "docs/lp2997mrx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LP2997MRX",+ "manufacturer": "Texas Instruments",+ "package": "ESOP-8",+ "pin_count": 9,+ "category": "Power Management (PMIC)",+ "subcategory": "Power Management - Specialized",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lp2997",+ "parts": {+ "symbol": "lp2997mrx.kicad_sym",+ "footprint": "lp2997mrx.kicad_mod",+ "model_3d": "lp2997mrx-etched.glb",+ "model_3d_plain": "lp2997mrx.glb",+ "model_3d_step": "lp2997mrx-etched.step",+ "model_3d_step_plain": "lp2997mrx.step",+ "lbr": "lp2997mrx.lbr"+ },+ "distributor_links": {+ "lcsc": "C783604",+ "digikey": "LP2997MRXTR-ND",+ "mouser": "926-LP2997MRX"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T01:23:24Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LP2997MRXTR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LP2997MRX",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground connection."+ },+ {+ "number": "2",+ "name": "SD",+ "type": "input",+ "description": "Active low shutdown pin for Suspend to RAM functionality; when pulled low, VTT tri-states while VREF remains active."+ },+ {+ "number": "3",+ "name": "VSENSE",+ "type": "input",+ "description": "Feedback pin for remote load regulation of VTT; connect to termination bus at regulation point, typically middle of bus for optimal distribution."+ },+ {+ "number": "4",+ "name": "VREF",+ "type": "power_in",+ "description": "Buffered output of internal reference voltage equal to VDDQ/2; provides reference voltage for chipset and memory."+ },+ {+ "number": "5",+ "name": "VDDQ",+ "type": "power_in",+ "description": "Input for internal 50kΩ resistor divider generating reference voltage; connect directly to 1.8V rail at DIMM for accurate tracking without voltage drop."+ },+ {+ "number": "6",+ "name": "AVIN",+ "type": "power_in",+ "description": "Analog supply input for internal control circuitry; operating range 2.2V to 5.5V (typical 2.5V)."+ },+ {+ "number": "7",+ "name": "PVIN",+ "type": "power_in",+ "description": "Power supply input for output stage; connect to 1.8V or 2.5V rail; AVIN must be greater than or equal to PVIN."+ },+ {+ "number": "8",+ "name": "VTT",+ "type": "output",+ "description": "Regulated output voltage equal to VDDQ/2; capable of sinking and sourcing ±0.5A continuous current with transient peaks up to 900mA."+ },+ {+ "number": "9",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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": [+ "extractor flagged: Package hint provided (ESOP-8) does not match the actual package for MPN LP2997MRX; datasheet explic",+ "exposed pad 9 added from the footprint"+ ],+ "pages_sent": 28,+ "cost_usd": 0.2147,+ "at": "2026-09-27T01:23:08"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lp2997",+ "pages": 28,+ "sha256": "db63c8b8af1fb897",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 9,+ "described": 9,+ "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]"+ }+}