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LM2671N-5.0
Public Made by Adomby adom
Texas Instruments DC-DC Converters, 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 @@+# LM2671N-5.0++**Texas Instruments** · DC-DC Converters · PDIP-8++LM2671N-5.0 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 | CB | input | Bootstrap capacitor connection for the high-side driver; connect a high-quality 100-nF capacitor from CB to the VSW pin. |+| 2 | SS | input | Soft-start pin; connect a capacitor from this pin to GND to control the output voltage ramp, or leave it floating if the feature is not desired. |+| 3 | SYNC | input | Allows control of the switching clock frequency; if left open-circuited the regulator switches at the internal oscillator frequency, typically 260 kHz. |+| 4 | FB | input | Feedback sense input; connect to the midpoint of the feedback divider to set VOUT for the ADJ version, or connect directly to the output capacitor for a fixed-output version. |+| 5 | ON/OFF | input | Enable input to the regulator: high = ON and low = OFF; pull this pin high or float it to enable the regulator. |+| 6 | GND | power_in | Power ground pin; connect to system ground, keeping the path to the input capacitor CIN as short as possible. |+| 7 | VIN | power_in | Supply input pin feeding the collector of the high-side FET; connect to the power supply and input bypass capacitor CIN, with the VIN-to-CIN-to-GND path kept as short as possible. |+| 8 | VSW | output | Source pin of the internal high-side FET and the switching node; attach to the inductor and the cathode of the external diode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | PDIP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2671N-5.0`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: PDIP-8 (KiCad packages3D, STEP)+- 3D model files: `lm2671n-5-0-etched.step` / `lm2671n-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2671n-5-0.step` / `lm2671n-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/lm2671) (40 pp, sha256 `3002d970b17265d0`, 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/lm2671n-5-0-datasheet.pdf)
page.jsonadded+201@@ -0,0 +1,201 @@+{+ "slug": "lm2671n-5-0",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments DC-DC Converters, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm2671n-5.0",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2671n-5-0.kicad_sym",+ "lm2671n-5-0.kicad_mod",+ "lm2671n-5-0.glb",+ "lm2671n-5-0.step",+ "lm2671n-5-0.lbr",+ "docs/hero.png",+ "docs/lm2671n-5-0-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm2671n-5-0-hero.glb",+ "lm2671n-5-0-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM2671N-5.0",+ "manufacturer": "Texas Instruments",+ "package": "PDIP-8",+ "pin_count": 8,+ "category": "Power Management (PMIC)",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm2671",+ "parts": {+ "symbol": "lm2671n-5-0.kicad_sym",+ "footprint": "lm2671n-5-0.kicad_mod",+ "model_3d": "lm2671n-5-0-hero.glb",+ "model_3d_plain": "lm2671n-5-0.glb",+ "model_3d_step": "lm2671n-5-0-etched.step",+ "model_3d_step_plain": "lm2671n-5-0.step",+ "lbr": "lm2671n-5-0.lbr"+ },+ "distributor_links": {+ "lcsc": "C1355581",+ "digikey": "LM2671N-5.0-ND",+ "mouser": "926-LM2671N-50"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T14:33:57Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM2671N-5.0-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM2671N-50",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "CB",+ "type": "input",+ "description": "Bootstrap capacitor connection for the high-side driver; connect a high-quality 100-nF capacitor from CB to the VSW pin."+ },+ {+ "number": "2",+ "name": "SS",+ "type": "input",+ "description": "Soft-start pin; connect a capacitor from this pin to GND to control the output voltage ramp, or leave it floating if the feature is not desired."+ },+ {+ "number": "3",+ "name": "SYNC",+ "type": "input",+ "description": "Allows control of the switching clock frequency; if left open-circuited the regulator switches at the internal oscillator frequency, typically 260 kHz."+ },+ {+ "number": "4",+ "name": "FB",+ "type": "input",+ "description": "Feedback sense input; connect to the midpoint of the feedback divider to set VOUT for the ADJ version, or connect directly to the output capacitor for a fixed-output version."+ },+ {+ "number": "5",+ "name": "ON/OFF",+ "type": "input",+ "description": "Enable input to the regulator: high = ON and low = OFF; pull this pin high or float it to enable the regulator."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Power ground pin; connect to system ground, keeping the path to the input capacitor CIN as short as possible."+ },+ {+ "number": "7",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply input pin feeding the collector of the high-side FET; connect to the power supply and input bypass capacitor CIN, with the VIN-to-CIN-to-GND path kept as short as possible."+ },+ {+ "number": "8",+ "name": "VSW",+ "type": "output",+ "description": "Source pin of the internal high-side FET and the switching node; attach to the inductor and the cathode of the external diode."+ }+ ],+ "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 datasheet lists VIN as type I (input). Mapped to KiCad power_in because it is the supply input p; Datasheet types are I (input) for these pins. Mapped directly to KiCad input; CB is a bootstrap capa; The 8-pin pinout is taken from the D or P (SOIC/PDIP) pin table on page 3. The PDIP pin numbering is"+ ],+ "pages_sent": 9,+ "cost_usd": 0.0573,+ "at": "2026-10-08T14:33:31"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2671",+ "pages": 40,+ "sha256": "3002d970b17265d0",+ "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": "lm2671n-5-0.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": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm2671n-5-0-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": "dc36120f1470a396b6b5cb39d7c2cccee7c4e99d8da8fd89e79b6de8ce12649c",+ "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]"+ }+}