component
LM2674N-ADJ
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+45@@ -0,0 +1,45 @@+# LM2674N-ADJ++**Texas Instruments** · DC-DC Converters · PDIP-8++LM2674N-ADJ 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; a 10nF good-quality capacitor is connected between the CB pin and the VSW pin. |+| 2 | NC | unconnected | No-connect pin with no internal connection. |+| 3 | NC | unconnected | No-connect pin with no internal connection. |+| 4 | FB | input | Feedback sense input; connect to the midpoint of the feedback divider to set VOUT on the ADJ version, or tie directly to the output capacitor on fixed-output versions. |+| 5 | ON/OFF | input | Regulator enable input: high = on, low = off; pull high or leave floating to enable the regulator, and the device is in shutdown when the pin is below 1.4V. |+| 6 | GND | power_in | Power ground pin connected to system ground; keep the distance to CIN short. |+| 7 | VIN | power_in | Power input to the high-side FET; connect to the supply and input bypass capacitor CIN, keeping the path from VIN to CIN and GND as short as possible. |+| 8 | VSW | output | Internal high-side FET source and switching node; connect 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: `LM2674N-ADJ`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: PDIP-8 (KiCad packages3D, STEP)+- 3D model files: `lm2674n-adj-etched.step` / `lm2674n-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2674n-adj.step` / `lm2674n-adj.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/lm2674) (41 pp, sha256 `a9cee9aefd8786a1`, retrieved 2026-10-07, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/lm2674n-adj-datasheet.pdf)
page.jsonadded+201@@ -0,0 +1,201 @@+{+ "slug": "lm2674n-adj",+ "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)",+ "lm2674n-adj",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2674n-adj.kicad_sym",+ "lm2674n-adj.kicad_mod",+ "lm2674n-adj.glb",+ "lm2674n-adj.step",+ "lm2674n-adj.lbr",+ "docs/hero.png",+ "docs/lm2674n-adj-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm2674n-adj-hero.glb",+ "lm2674n-adj-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM2674N-ADJ",+ "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/lm2674",+ "parts": {+ "symbol": "lm2674n-adj.kicad_sym",+ "footprint": "lm2674n-adj.kicad_mod",+ "model_3d": "lm2674n-adj-hero.glb",+ "model_3d_plain": "lm2674n-adj.glb",+ "model_3d_step": "lm2674n-adj-etched.step",+ "model_3d_step_plain": "lm2674n-adj.step",+ "lbr": "lm2674n-adj.lbr"+ },+ "distributor_links": {+ "lcsc": "C1355485",+ "digikey": "LM2674N-ADJ-ND",+ "mouser": "926-LM2674N-ADJ"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T23:45:43Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM2674N-ADJ-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM2674N-ADJ",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "CB",+ "type": "input",+ "description": "Bootstrap capacitor connection for the high-side driver; a 10nF good-quality capacitor is connected between the CB pin and the VSW pin."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "No-connect pin with no internal connection."+ },+ {+ "number": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "No-connect pin with no internal connection."+ },+ {+ "number": "4",+ "name": "FB",+ "type": "input",+ "description": "Feedback sense input; connect to the midpoint of the feedback divider to set VOUT on the ADJ version, or tie directly to the output capacitor on fixed-output versions."+ },+ {+ "number": "5",+ "name": "ON/OFF",+ "type": "input",+ "description": "Regulator enable input: high = on, low = off; pull high or leave floating to enable the regulator, and the device is in shutdown when the pin is below 1.4V."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Power ground pin connected to system ground; keep the distance to CIN short."+ },+ {+ "number": "7",+ "name": "VIN",+ "type": "power_in",+ "description": "Power input to the high-side FET; connect to the supply and input bypass capacitor CIN, keeping the path from VIN to CIN and GND as short as possible."+ },+ {+ "number": "8",+ "name": "VSW",+ "type": "output",+ "description": "Internal high-side FET source and switching node; connect 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: Pin names and descriptions were translated from the Simplified Chinese TI translation (ZHCSS97I), wh; Both NC pins are listed in the datasheet pin table as no-connect pins for the 8-pin SOIC/PDIP packag; ON/OFF threshold of 1.4V (typical, rising) comes from the electrical characteristics and shutdown-mo"+ ],+ "pages_sent": 29,+ "cost_usd": 0.1253,+ "at": "2026-10-07T23:45:28"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm2674",+ "pages": 41,+ "sha256": "a9cee9aefd8786a1",+ "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": "lm2674n-adj.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": "lm2674n-adj-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": "da2418ba54a710cd39ef3f3a1ff02dbdc4d0aef2ed3cbd7c92a5b098e1db0b45",+ "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]"+ }+}