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LP2951CN
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, PDIP-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 @@+# LP2951CN++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · PDIP-8++LP2951CN from Texas Instruments, in a PDIP-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 | OUT | power_out | Regulated output voltage; in dual-supply systems where the output sees loads returned to a negative supply, the output should be diode-clamped to ground. |+| 2 | SENSE | input | Output voltage sense input, which the 8-pin test conditions tie to OUT; the datasheet gives an absolute input voltage range of -0.3 V to 30 V for the SHUTDOWN, ERROR and IN class of pins, and ESD rating of ±1500 V for this pin. |+| 3 | SHUTDOWN | input | Logic-compatible shutdown input that disables the device; the electrical characteristics are specified with VSHUTDOWN ≤ 0.8 V and the absolute maximum input voltage is -0.3 V to 30 V. |+| 4 | GROUND | power_in | Ground reference pin for the regulator. |+| 5 | ERROR | output | Error flag output that warns of low output voltage (dropout), with an absolute maximum voltage of -0.3 V to 30 V. |+| 6 | VTAP | output | Internal resistor divider tap, which the 8-pin test conditions tie to FEEDBACK. |+| 7 | FEEDBACK | input | Voltage feedback input with an absolute input voltage range of -1.5 V to 30 V; the 8-pin test conditions tie it to VTAP. |+| 8 | IN | power_in | Input supply voltage, specified from 2.3 V to 30 V with an absolute maximum of 30 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | PDIP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LP2951CN`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: PDIP-8 (KiCad packages3D, STEP)+- 3D model files: `lp2951cn-etched.step` / `lp2951cn-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp2951cn.step` / `lp2951cn.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/lp2951-n) (62 pp, sha256 `b9e1f8851a20b9c9`, retrieved 2026-10-07, 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/lp2951cn-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lp2951cn",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lp2951cn.kicad_sym",+ "lp2951cn.kicad_mod",+ "lp2951cn.glb",+ "lp2951cn.step",+ "lp2951cn.lbr",+ "docs/hero.png",+ "docs/lp2951cn-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lp2951cn-hero.glb",+ "lp2951cn-hero.overlay.json"+ ],+ "component": {+ "mpn": "LP2951CN",+ "manufacturer": "Texas Instruments",+ "package": "PDIP-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/lp2951-n",+ "parts": {+ "symbol": "lp2951cn.kicad_sym",+ "footprint": "lp2951cn.kicad_mod",+ "model_3d": "lp2951cn-hero.glb",+ "model_3d_plain": "lp2951cn.glb",+ "model_3d_step": "lp2951cn-etched.step",+ "model_3d_step_plain": "lp2951cn.step",+ "lbr": "lp2951cn.lbr"+ },+ "distributor_links": {+ "lcsc": "C2862011",+ "digikey": "2156-LP2951CN-ON-ND",+ "mouser": "926-LP2951CN"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T22:38:09Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "2156-LP2951CN-ON-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LP2951CN",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated output voltage; in dual-supply systems where the output sees loads returned to a negative supply, the output should be diode-clamped to ground."+ },+ {+ "number": "2",+ "name": "SENSE",+ "type": "input",+ "description": "Output voltage sense input, which the 8-pin test conditions tie to OUT; the datasheet gives an absolute input voltage range of -0.3 V to 30 V for the SHUTDOWN, ERROR and IN class of pins, and ESD rating of ±1500 V for this pin."+ },+ {+ "number": "3",+ "name": "SHUTDOWN",+ "type": "input",+ "description": "Logic-compatible shutdown input that disables the device; the electrical characteristics are specified with VSHUTDOWN ≤ 0.8 V and the absolute maximum input voltage is -0.3 V to 30 V."+ },+ {+ "number": "4",+ "name": "GROUND",+ "type": "power_in",+ "description": "Ground reference pin for the regulator."+ },+ {+ "number": "5",+ "name": "ERROR",+ "type": "output",+ "description": "Error flag output that warns of low output voltage (dropout), with an absolute maximum voltage of -0.3 V to 30 V."+ },+ {+ "number": "6",+ "name": "VTAP",+ "type": "output",+ "description": "Internal resistor divider tap, which the 8-pin test conditions tie to FEEDBACK."+ },+ {+ "number": "7",+ "name": "FEEDBACK",+ "type": "input",+ "description": "Voltage feedback input with an absolute input voltage range of -1.5 V to 30 V; the 8-pin test conditions tie it to VTAP."+ },+ {+ "number": "8",+ "name": "IN",+ "type": "power_in",+ "description": "Input supply voltage, specified from 2.3 V to 30 V with an absolute maximum of 30 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 Pin Functions table gives one pin-number column for the P (PDIP), D (SOIC) and DGK (VSSOP) packa; The voltage option table lists the PDIP (P) package only as the 5 V (±0.5%, ±1%) option. The MPN LP2; The SENSE and FEEDBACK descriptions and the VTAP and SHUTDOWN conditions come from the electrical ch"+ ],+ "pages_sent": 17,+ "cost_usd": 0.1052,+ "at": "2026-10-07T22:37:53"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lp2951-n",+ "pages": 62,+ "sha256": "b9e1f8851a20b9c9",+ "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": "lp2951cn.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "body on z = 0, through-hole leads below",+ "extents_mm": [+ 7.874,+ 9.27,+ 6.98+ ],+ "zmin_mm": -3.3,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lp2951cn-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "body on z = 0, through-hole leads below",+ "extents_mm": [+ 7.874,+ 9.27,+ 6.98+ ],+ "zmin_mm": -3.3,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "975e50039a2cb04a8fac253c90d45b0106d1e0c1e29bcf137905ae7b09e6cf5d",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}