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Initial commit: component/lm2676s-adj

Ray ·63357c7109 ·2d ago
2 files changed +206
README.mdadded+45
@@ -0,0 +1,45 @@+# LM2676S-ADJ++**Texas Instruments** · DC-DC Converters · TO-263-7++LM2676S-ADJ from Texas Instruments, in a TO-263-7. 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 | Switch_output | output | Internal high-side FET source pin and switching node; connect to inductor and external diode cathode. |+| 2 | Input | power_in | Power supply input pin; voltage range 8V to 40V, connect input bypass capacitor CIN as close as possible to this pin. |+| 3 | CB | input | Bootstrap capacitor connection pin; connect 100nF quality capacitor between this pin and Switch_output pin. |+| 4 | GND | power_in | Ground pin; connect to system ground and the ground pins of input and output capacitors, minimize trace distance to Input pin. |+| 5 | NC | unconnected | No connection pin. |+| 6 | FB | input | Feedback input pin; reference voltage 1.21V typical for ADJ version, connect to feedback divider midpoint to set output voltage. |+| 7 | ON/OFF | input | Enable control input; voltage above 1.4V enables regulator operation, voltage below 0.8V disables to 50µA standby mode. |+| 8 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TO-263-7 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2676S-ADJ`+- Footprint: `Package_TO_SOT_SMD:TO-263-7_TabPin8`+- 3D model: TO-263-7 (KiCad packages3D, STEP)+- 3D model files: `lm2676s-adj-etched.step` / `lm2676s-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2676s-adj.step` / `lm2676s-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/lm2676) (40 pp, sha256 `e66be2b2a64d67e2`, retrieved 2026-10-06, 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-4-5-20251001` (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/lm2676s-adj-datasheet.pdf)
page.jsonadded+161
@@ -0,0 +1,161 @@+{+  "slug": "lm2676s-adj",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm2676s-adj",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm2676s-adj.kicad_sym",+    "lm2676s-adj.kicad_mod",+    "lm2676s-adj.glb",+    "lm2676s-adj.step",+    "lm2676s-adj.lbr",+    "docs/hero.png",+    "docs/lm2676s-adj-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm2676s-adj-hero.glb",+    "lm2676s-adj-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM2676S-ADJ",+    "manufacturer": "Texas Instruments",+    "package": "TO-263-7",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2676",+    "parts": {+      "symbol": "lm2676s-adj.kicad_sym",+      "footprint": "lm2676s-adj.kicad_mod",+      "model_3d": "lm2676s-adj-hero.glb",+      "model_3d_plain": "lm2676s-adj.glb",+      "model_3d_step": "lm2676s-adj-etched.step",+      "model_3d_step_plain": "lm2676s-adj.step",+      "lbr": "lm2676s-adj.lbr"+    },+    "distributor_links": {+      "lcsc": 2873135,+      "digikey": "LM2676S-ADJ-ND",+      "mouser": "926-LM2676S-ADJ"+    },+    "distributor_check": {+      "checked_at": "2026-10-06T04:22:19Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "LM2676S-ADJ-ND",+        "status": "found",+        "lifecycle": "Obsolete"+      },+      "mouser": {+        "pn": "926-LM2676S-ADJ",+        "status": "found",+        "lifecycle": "Obsolete"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "Switch_output",+        "type": "output",+        "description": "Internal high-side FET source pin and switching node; connect to inductor and external diode cathode."+      },+      {+        "number": "2",+        "name": "Input",+        "type": "power_in",+        "description": "Power supply input pin; voltage range 8V to 40V, connect input bypass capacitor CIN as close as possible to this pin."+      },+      {+        "number": "3",+        "name": "CB",+        "type": "input",+        "description": "Bootstrap capacitor connection pin; connect 100nF quality capacitor between this pin and Switch_output pin."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Ground pin; connect to system ground and the ground pins of input and output capacitors, minimize trace distance to Input pin."+      },+      {+        "number": "5",+        "name": "NC",+        "type": "unconnected",+        "description": "No connection pin."+      },+      {+        "number": "6",+        "name": "FB",+        "type": "input",+        "description": "Feedback input pin; reference voltage 1.21V typical for ADJ version, connect to feedback divider midpoint to set output voltage."+      },+      {+        "number": "7",+        "name": "ON/OFF",+        "type": "input",+        "description": "Enable control input; voltage above 1.4V enables regulator operation, voltage below 0.8V disables to 50µA standby mode."+      },+      {+        "number": "8",+        "name": "EP",+        "type": "passive",+        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.3",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.3",+        "primary_model": "claude-haiku-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "exposed pad 8 added from the footprint"+        ],+        "pages_sent": 19,+        "cost_usd": 0.1617,+        "at": "2026-10-06T04:22:04"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm2676",+        "pages": 40,+        "sha256": "e66be2b2a64d67e2",+        "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"+    }+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file