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Initial commit: component/lm2738xmy

Ray ·94476f8b9c ·1d ago
2 files changed +250
README.mdadded+45
@@ -0,0 +1,45 @@+# LM2738XMY++**Texas Instruments** · DC-DC Converters · HVSSOP-8++LM2738XMY from Texas Instruments, in a HVSSOP-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 | BOOST | input | Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between BOOST and SW; Boost-to-SW voltage is recommended at 2.5 V to 5.5 V. |+| 2 | VIN | power_in | Supply voltage for the output power stage, with a bypass capacitor to this pin; must be tied to pin 3 at the package and VIN/VCC is recommended at 3 V to 20 V. |+| 3 | VCC | power_in | Input supply voltage of the device, with a bypass capacitor to this pin; must be tied to pin 2 at the package and VIN/VCC is recommended at 3 V to 20 V. |+| 4 | EN | input | Enable control input where logic high enables operation; do not allow this pin to float or exceed VIN + 0.3 V. |+| 5 | GND | power_in | Signal and power ground; the bottom resistor of the feedback network should be placed as close as possible to this pin. |+| 6 | FB | input | Feedback pin that connects to the external resistor divider to set the output voltage (0.8 V internal reference). |+| 7 | GND | power_in | Signal and power ground; the bottom resistor of the feedback network should be placed as close as possible to this pin. |+| 8 | SW | output | Output switch that connects to the inductor, catch diode, and bootstrap capacitor; SW voltage is recommended at -0.5 V to 20 V. |+| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HVSSOP-8 |+| Category | Power Management (PMIC) |+| Pins | 9 |++## CAD (KiCad official)++- Symbol: `LM2738XMY`+- Footprint: `Package_SO:HVSSOP-8-1EP_3x3mm_P0.65mm_EP1.57x1.89mm`+- 3D model: HVSSOP-8, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.0 mm nominal HVSSOP height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `lm2738xmy-etched.step` / `lm2738xmy-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2738xmy.step` / `lm2738xmy.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/lm2738) (44 pp, sha256 `2b1805b4c3e0d675`, 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/lm2738xmy-datasheet.pdf)
page.jsonadded+205
@@ -0,0 +1,205 @@+{+  "slug": "lm2738xmy",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, HVSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm2738xmy",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm2738xmy.kicad_sym",+    "lm2738xmy.kicad_mod",+    "lm2738xmy.glb",+    "lm2738xmy.step",+    "lm2738xmy.lbr",+    "docs/hero.png",+    "docs/lm2738xmy-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm2738xmy-hero.glb",+    "lm2738xmy-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM2738XMY",+    "manufacturer": "Texas Instruments",+    "package": "HVSSOP-8",+    "pin_count": 9,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2738",+    "parts": {+      "symbol": "lm2738xmy.kicad_sym",+      "footprint": "lm2738xmy.kicad_mod",+      "model_3d": "lm2738xmy-hero.glb",+      "model_3d_plain": "lm2738xmy.glb",+      "model_3d_step": "lm2738xmy-etched.step",+      "model_3d_step_plain": "lm2738xmy.step",+      "lbr": "lm2738xmy.lbr"+    },+    "distributor_links": {+      "lcsc": "C2869306"+    },+    "distributor_check": {+      "checked_at": "2026-10-07T22:43:56Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "BOOST",+        "type": "input",+        "description": "Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between BOOST and SW; Boost-to-SW voltage is recommended at 2.5 V to 5.5 V."+      },+      {+        "number": "2",+        "name": "VIN",+        "type": "power_in",+        "description": "Supply voltage for the output power stage, with a bypass capacitor to this pin; must be tied to pin 3 at the package and VIN/VCC is recommended at 3 V to 20 V."+      },+      {+        "number": "3",+        "name": "VCC",+        "type": "power_in",+        "description": "Input supply voltage of the device, with a bypass capacitor to this pin; must be tied to pin 2 at the package and VIN/VCC is recommended at 3 V to 20 V."+      },+      {+        "number": "4",+        "name": "EN",+        "type": "input",+        "description": "Enable control input where logic high enables operation; do not allow this pin to float or exceed VIN + 0.3 V."+      },+      {+        "number": "5",+        "name": "GND",+        "type": "power_in",+        "description": "Signal and power ground; the bottom resistor of the feedback network should be placed as close as possible to this pin."+      },+      {+        "number": "6",+        "name": "FB",+        "type": "input",+        "description": "Feedback pin that connects to the external resistor divider to set the output voltage (0.8 V internal reference)."+      },+      {+        "number": "7",+        "name": "GND",+        "type": "power_in",+        "description": "Signal and power ground; the bottom resistor of the feedback network should be placed as close as possible to this pin."+      },+      {+        "number": "8",+        "name": "SW",+        "type": "output",+        "description": "Output switch that connects to the inductor, catch diode, and bootstrap capacitor; SW voltage is recommended at -0.5 V to 20 V."+      },+      {+        "number": "9",+        "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-5-5",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: The exposed thermal pad is printed as 'DAP' rather than a numbered pin. It is included with number '; Pin 2 (VIN) and pin 3 (VCC) are both tied together at the package. The datasheet types VIN as PWR an; The DGN top-view drawing is not present in the extracted text, so physical pin positions were not ve",+          "exposed pad 9 added from the footprint",+          "dropped thermal pad ['EP'] absent from footprint"+        ],+        "pages_sent": 7,+        "cost_usd": 0.0508,+        "at": "2026-10-07T22:43:36"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm2738",+        "pages": 44,+        "sha256": "2b1805b4c3e0d675",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 9,+        "described": 9,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lm2738xmy.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          4.91,+          3,+          1+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "1ea4760a0a22a613ec8ad84b76cef616e440be3b416d73a1a5aa1a7069a66b19",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm2738xmy-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          4.91,+          3,+          1+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "6b56ed7c3dc8db0ddf8bfaef7aebc03062ec481b4abe67384f1e4c154669e6bb",+        "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]"+  }+}\ No newline at end of file