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Initial commit: component/lmh7324sq

Ray ·2c33928cb5 ·20h ago
2 files changed +417
README.mdadded+69
@@ -0,0 +1,69 @@+# LMH7324SQ++**Texas Instruments** · Comparators · WQFN-32(5x5)++LMH7324SQ from Texas Instruments, in a WQFN-32(5x5). 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 | VCCOA | power_in | Positive supply for output stage A, independent of the input stage supply, allowing output levels of different logic families. |+| 2 | ~{QA} | output | Inverted output A, with output levels determined by the choice of VCCOA. |+| 3 | QA | output | Output A, with output levels determined by the choice of VCCOA. |+| 4 | VEEA | power_in | Negative supply A; all four VEE pins are circular connected together via two antiparallel diodes. |+| 5 | VEEB | power_in | Negative supply B; all four VEE pins are circular connected together via two antiparallel diodes. |+| 6 | QB | output | Output B, with output levels determined by the choice of VCCOB. |+| 7 | ~{QB} | output | Inverted output B, with output levels determined by the choice of VCCOB. |+| 8 | VCCOB | power_in | Positive supply for output stage B, independent of the input stage supply, allowing output levels of different logic families. |+| 9 | VCCIB | power_in | Positive supply for input stage B, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE. |+| 10 | INB- | input | Negative input B for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 11 | INB+ | input | Positive input B for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 12 | VEEB | power_in | Negative supply B; all four VEE pins are circular connected together via two antiparallel diodes. |+| 13 | VEEC | power_in | Negative supply C; all four VEE pins are circular connected together via two antiparallel diodes. |+| 14 | INC+ | input | Positive input C for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 15 | INC- | input | Negative input C for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 16 | VCCIC | power_in | Positive supply for input stage C, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE. |+| 17 | VCCOC | power_in | Positive supply for output stage C, independent of the input stage supply, allowing output levels of different logic families. |+| 18 | ~{QC} | output | Inverted output C, with output levels determined by the choice of VCCOC. |+| 19 | QC | output | Output C, with output levels determined by the choice of VCCOC. |+| 20 | VEEC | power_in | Negative supply C; all four VEE pins are circular connected together via two antiparallel diodes. |+| 21 | VEED | power_in | Negative supply D; all four VEE pins are circular connected together via two antiparallel diodes. |+| 22 | QD | output | Output D, with output levels determined by the choice of VCCOD. |+| 23 | ~{QD} | output | Inverted output D, with output levels determined by the choice of VCCOD. |+| 24 | VCCOD | power_in | Positive supply for output stage D, independent of the input stage supply, allowing output levels of different logic families. |+| 25 | VCCID | power_in | Positive supply for input stage D, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE. |+| 26 | IND- | input | Negative input D for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 27 | IND+ | input | Positive input D for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 28 | VEED | power_in | Negative supply D; all four VEE pins are circular connected together via two antiparallel diodes. |+| 29 | VEEA | power_in | Negative supply A; all four VEE pins are circular connected together via two antiparallel diodes. |+| 30 | INA+ | input | Positive input A for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 31 | INA- | input | Negative input A for analog voltages between 200 mV below VEE and 2V below VCCI. |+| 32 | VCCIA | power_in | Positive supply for input stage A, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE. |+| 33 | DAP | passive | Central pad at the bottom of the package that transfers heat out of the part; it is electrically isolated and may be connected to any voltage within the part's allowed range, commonly the lowest supply. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-32(5x5) |+| Category | Amplifiers/Comparators |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `LMH7324SQ`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: WQFN-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `lmh7324sq-etched.step` / `lmh7324sq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmh7324sq.step` / `lmh7324sq.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/lmh7324) (32 pp, sha256 `0b1db4cc5a2f6630`, 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/lmh7324sq-datasheet.pdf)
page.jsonadded+348
@@ -0,0 +1,348 @@+{+  "slug": "lmh7324sq",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Comparators, WQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "amplifiers-comparators",+    "lmh7324sq",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lmh7324sq.kicad_sym",+    "lmh7324sq.kicad_mod",+    "lmh7324sq.glb",+    "lmh7324sq.step",+    "lmh7324sq.lbr",+    "docs/hero.png",+    "docs/lmh7324sq-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lmh7324sq-hero.glb",+    "lmh7324sq-hero.overlay.json"+  ],+  "component": {+    "mpn": "LMH7324SQ",+    "manufacturer": "Texas Instruments",+    "package": "WQFN-32(5x5)",+    "pin_count": 33,+    "category": "Amplifiers/Comparators",+    "subcategory": "Comparators",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lmh7324",+    "parts": {+      "symbol": "lmh7324sq.kicad_sym",+      "footprint": "lmh7324sq.kicad_mod",+      "model_3d": "lmh7324sq-hero.glb",+      "model_3d_plain": "lmh7324sq.glb",+      "model_3d_step": "lmh7324sq-etched.step",+      "model_3d_step_plain": "lmh7324sq.step",+      "lbr": "lmh7324sq.lbr"+    },+    "distributor_links": {+      "lcsc": "C2865186"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T19:39:21Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VCCOA",+        "type": "power_in",+        "description": "Positive supply for output stage A, independent of the input stage supply, allowing output levels of different logic families."+      },+      {+        "number": "2",+        "name": "~{QA}",+        "type": "output",+        "description": "Inverted output A, with output levels determined by the choice of VCCOA."+      },+      {+        "number": "3",+        "name": "QA",+        "type": "output",+        "description": "Output A, with output levels determined by the choice of VCCOA."+      },+      {+        "number": "4",+        "name": "VEEA",+        "type": "power_in",+        "description": "Negative supply A; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "5",+        "name": "VEEB",+        "type": "power_in",+        "description": "Negative supply B; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "6",+        "name": "QB",+        "type": "output",+        "description": "Output B, with output levels determined by the choice of VCCOB."+      },+      {+        "number": "7",+        "name": "~{QB}",+        "type": "output",+        "description": "Inverted output B, with output levels determined by the choice of VCCOB."+      },+      {+        "number": "8",+        "name": "VCCOB",+        "type": "power_in",+        "description": "Positive supply for output stage B, independent of the input stage supply, allowing output levels of different logic families."+      },+      {+        "number": "9",+        "name": "VCCIB",+        "type": "power_in",+        "description": "Positive supply for input stage B, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE."+      },+      {+        "number": "10",+        "name": "INB-",+        "type": "input",+        "description": "Negative input B for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "11",+        "name": "INB+",+        "type": "input",+        "description": "Positive input B for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "12",+        "name": "VEEB",+        "type": "power_in",+        "description": "Negative supply B; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "13",+        "name": "VEEC",+        "type": "power_in",+        "description": "Negative supply C; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "14",+        "name": "INC+",+        "type": "input",+        "description": "Positive input C for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "15",+        "name": "INC-",+        "type": "input",+        "description": "Negative input C for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "16",+        "name": "VCCIC",+        "type": "power_in",+        "description": "Positive supply for input stage C, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE."+      },+      {+        "number": "17",+        "name": "VCCOC",+        "type": "power_in",+        "description": "Positive supply for output stage C, independent of the input stage supply, allowing output levels of different logic families."+      },+      {+        "number": "18",+        "name": "~{QC}",+        "type": "output",+        "description": "Inverted output C, with output levels determined by the choice of VCCOC."+      },+      {+        "number": "19",+        "name": "QC",+        "type": "output",+        "description": "Output C, with output levels determined by the choice of VCCOC."+      },+      {+        "number": "20",+        "name": "VEEC",+        "type": "power_in",+        "description": "Negative supply C; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "21",+        "name": "VEED",+        "type": "power_in",+        "description": "Negative supply D; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "22",+        "name": "QD",+        "type": "output",+        "description": "Output D, with output levels determined by the choice of VCCOD."+      },+      {+        "number": "23",+        "name": "~{QD}",+        "type": "output",+        "description": "Inverted output D, with output levels determined by the choice of VCCOD."+      },+      {+        "number": "24",+        "name": "VCCOD",+        "type": "power_in",+        "description": "Positive supply for output stage D, independent of the input stage supply, allowing output levels of different logic families."+      },+      {+        "number": "25",+        "name": "VCCID",+        "type": "power_in",+        "description": "Positive supply for input stage D, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE."+      },+      {+        "number": "26",+        "name": "IND-",+        "type": "input",+        "description": "Negative input D for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "27",+        "name": "IND+",+        "type": "input",+        "description": "Positive input D for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "28",+        "name": "VEED",+        "type": "power_in",+        "description": "Negative supply D; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "29",+        "name": "VEEA",+        "type": "power_in",+        "description": "Negative supply A; all four VEE pins are circular connected together via two antiparallel diodes."+      },+      {+        "number": "30",+        "name": "INA+",+        "type": "input",+        "description": "Positive input A for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "31",+        "name": "INA-",+        "type": "input",+        "description": "Negative input A for analog voltages between 200 mV below VEE and 2V below VCCI."+      },+      {+        "number": "32",+        "name": "VCCIA",+        "type": "power_in",+        "description": "Positive supply for input stage A, independent of the output stage supply; VCCI and VCCO share the same ground pin VEE."+      },+      {+        "number": "33",+        "name": "DAP",+        "type": "passive",+        "description": "Central pad at the bottom of the package that transfers heat out of the part; it is electrically isolated and may be connected to any voltage within the part's allowed range, commonly the lowest supply."+      }+    ],+    "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: Overbars were lost in text extraction. The datasheet prints both complementary outputs as 'Q'. Pins ; The connection diagram (page 6, Figure 1) text is scrambled, so pin positions could not be checked a; The datasheet labels several VEE pins with the same or inconsistent letters (pins 4 and 29 are both ",+          "4/33 pins cited to the wrong page (name found elsewhere): ['3:QA@p12', '6:QB@p12', '19:QC@p12', '22:QD@p12']"+        ],+        "pages_sent": 11,+        "cost_usd": 0.0849,+        "at": "2026-10-08T19:38:44"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lmh7324",+        "pages": 32,+        "sha256": "0b1db4cc5a2f6630",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 33,+        "described": 33,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lmh7324sq.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          5,+          5,+          0.875+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lmh7324sq-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          5,+          5,+          0.875+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "9cfb0f5d69d6406cc4c014d239b3d111f5529bffb64131896aa7ae00127fed19",+        "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