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Initial commit: component/lm3489mm

Ray ·bf8c47755b ·1d ago
2 files changed +245
README.mdadded+44
@@ -0,0 +1,44 @@+# LM3489MM++**Texas Instruments** · DC-DC Converters · VSSOP-8-0.65mm++LM3489MM from Texas Instruments, in a VSSOP-8-0.65mm. 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 | ISENSE | input | The current sense input must be connected to the PFET drain terminal directly or through a series resistor up to 600 Ω for 28 V > VIN > 35 V (limit as printed in the datasheet). |+| 2 | GND | power_in | Signal ground for the controller. |+| 3 | EN | input | Enable pin: connect to ground to shut down the part or float to enable operation (internally pulled high and clamped at 8 V typical); recommended EN voltage is 5.5 V maximum, and it can also be used for a UVLO function. |+| 4 | FB | input | Feedback input; connect to a resistor voltage divider between the output and GND to set the adjustable output voltage. |+| 5 | ADJ | input | Current limit threshold adjustment pin tied to an internal 5.5 µA current source; a resistor between this pin and VIN sets the overcurrent threshold compared against the ISENSE voltage. |+| 6 | PGND | power_in | Power ground for the external PFET gate drive. |+| 7 | PGATE | output | Gate drive output for the external PFET, which swings between VIN and VIN minus 5 V. |+| 8 | VIN | power_in | Power supply input pin; recommended VIN supply range is 4.5 V to 35 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8-0.65mm |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM3489MM`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8-0.65mm (KiCad packages3D, STEP)+- 3D model files: `lm3489mm-etched.step` / `lm3489mm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3489mm.step` / `lm3489mm.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/lm3489) (28 pp, sha256 `8486c86e0ce9150d`, 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/lm3489mm-datasheet.pdf)
page.jsonadded+201
@@ -0,0 +1,201 @@+{+  "slug": "lm3489mm",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, VSSOP-8-0.65mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm3489mm",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm3489mm.kicad_sym",+    "lm3489mm.kicad_mod",+    "lm3489mm.glb",+    "lm3489mm.step",+    "lm3489mm.lbr",+    "docs/hero.png",+    "docs/lm3489mm-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm3489mm-hero.glb",+    "lm3489mm-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM3489MM",+    "manufacturer": "Texas Instruments",+    "package": "VSSOP-8-0.65mm",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm3489",+    "parts": {+      "symbol": "lm3489mm.kicad_sym",+      "footprint": "lm3489mm.kicad_mod",+      "model_3d": "lm3489mm-hero.glb",+      "model_3d_plain": "lm3489mm.glb",+      "model_3d_step": "lm3489mm-etched.step",+      "model_3d_step_plain": "lm3489mm.step",+      "lbr": "lm3489mm.lbr"+    },+    "distributor_links": {+      "lcsc": "C129961",+      "digikey": "LM3489MMTR-ND",+      "mouser": "926-LM3489MM"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T02:21:21Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "LM3489MMTR-ND",+        "status": "found",+        "lifecycle": "Obsolete"+      },+      "mouser": {+        "pn": "926-LM3489MM",+        "status": "found",+        "lifecycle": "Obsolete"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "ISENSE",+        "type": "input",+        "description": "The current sense input must be connected to the PFET drain terminal directly or through a series resistor up to 600 Ω for 28 V > VIN > 35 V (limit as printed in the datasheet)."+      },+      {+        "number": "2",+        "name": "GND",+        "type": "power_in",+        "description": "Signal ground for the controller."+      },+      {+        "number": "3",+        "name": "EN",+        "type": "input",+        "description": "Enable pin: connect to ground to shut down the part or float to enable operation (internally pulled high and clamped at 8 V typical); recommended EN voltage is 5.5 V maximum, and it can also be used for a UVLO function."+      },+      {+        "number": "4",+        "name": "FB",+        "type": "input",+        "description": "Feedback input; connect to a resistor voltage divider between the output and GND to set the adjustable output voltage."+      },+      {+        "number": "5",+        "name": "ADJ",+        "type": "input",+        "description": "Current limit threshold adjustment pin tied to an internal 5.5 µA current source; a resistor between this pin and VIN sets the overcurrent threshold compared against the ISENSE voltage."+      },+      {+        "number": "6",+        "name": "PGND",+        "type": "power_in",+        "description": "Power ground for the external PFET gate drive."+      },+      {+        "number": "7",+        "name": "PGATE",+        "type": "output",+        "description": "Gate drive output for the external PFET, which swings between VIN and VIN minus 5 V."+      },+      {+        "number": "8",+        "name": "VIN",+        "type": "power_in",+        "description": "Power supply input pin; recommended VIN supply range is 4.5 V to 35 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 ISENSE series-resistor limit is garbled in the extracted text ('for 28 V > VIN > 35 V'), which i; The PGATE swing is printed as 'VIN and VIN 5-V' with the minus sign apparently lost in extraction. I; The datasheet lists VIN as type 'I'. I mapped it to KiCad power_in because it is the supply input; t"+        ],+        "pages_sent": 7,+        "cost_usd": 0.0498,+        "at": "2026-10-08T02:21:07"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm3489",+        "pages": 28,+        "sha256": "8486c86e0ce9150d",+        "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": "lm3489mm.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          3.1,+          2,+          0.85+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm3489mm-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          3.1,+          2,+          0.85+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "0a18b7aaac57bf8393c1161ef54b661e24a6f934700a5c127e0e6f6b55c33a2e",+        "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]"+  }+}\ No newline at end of file