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Initial commit: component/lm25037qmtx

Ray ·fee92e41d6 ·10h ago
2 files changed +295
README.mdadded+52
@@ -0,0 +1,52 @@+# LM25037QMTX++**Texas Instruments** · AC-DC Controllers And Regulators · TSSOP-16++LM25037QMTX from Texas Instruments, in a TSSOP-16. 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 | RAMP | input | Modulation ramp input to PWM comparator, reset to ground at end of each cycle by internal FET. |+| 2 | UVLO | input | Line undervoltage lockout input with 0.45V shutdown and 1.25V standby thresholds. |+| 3 | COMP | bidirectional | Error amplifier output and PWM comparator input with internal 1.25V reference on noninverting input. |+| 4 | FB | input | Feedback input to error amplifier inverting input; connect to AGND for isolated applications. |+| 5 | RT2 | input | Oscillator dead-time control resistor to AGND; sets forced dead-time between alternating output switching periods. |+| 6 | AGND | power_in | Analog ground reference; must connect directly to Power Ground. |+| 7 | RT1 | input | Oscillator maximum on-time control resistor to AGND; sum with RT2-set dead-time determines oscillator period. |+| 8 | CS | input | Current sense input; 250mV cycle-by-cycle current limit threshold with 65ns leading edge blanking. |+| 9 | RES | bidirectional | Restart timer; sources 18µA when cycle-by-cycle limit reached; 2V threshold fully discharges soft-start capacitor. |+| 10 | SS | input | Soft-start capacitor charge control; 100µA internal current source reduced to 1µA after restart event. |+| 11 | PGND | power_in | Power ground reference; must connect directly to Analog Ground. |+| 12 | OUTB | output | Alternating gate drive output capable of 1.2A peak source and sink current. |+| 13 | OUTA | output | Alternating gate drive output capable of 1.2A peak source and sink current. |+| 14 | VCC | power_in | Voltage supply input/output; internally regulated to 7.7V with 0.47µF minimum decoupling capacitor. |+| 15 | REF | output | 5V reference output with 10mA typical maximum output current. |+| 16 | VIN | power_in | Input voltage source; operates from 5.5V to 75V supply range. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `LM25037QMTX`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `lm25037qmtx-etched.step` / `lm25037qmtx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm25037qmtx.step` / `lm25037qmtx.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/lm25037) (39 pp, sha256 `d21d69eae4ebea14`, retrieved 2026-10-07, tier: lcsc)+- **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/lm25037qmtx-datasheet.pdf)
page.jsonadded+243
@@ -0,0 +1,243 @@+{+  "slug": "lm25037qmtx",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments AC-DC Controllers And Regulators, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm25037qmtx",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm25037qmtx.kicad_sym",+    "lm25037qmtx.kicad_mod",+    "lm25037qmtx.glb",+    "lm25037qmtx.step",+    "lm25037qmtx.lbr",+    "docs/hero.png",+    "docs/lm25037qmtx-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm25037qmtx-hero.glb",+    "lm25037qmtx-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM25037QMTX",+    "manufacturer": "Texas Instruments",+    "package": "TSSOP-16",+    "pin_count": 16,+    "category": "Power Management (PMIC)",+    "subcategory": "AC-DC Controllers And Regulators",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm25037",+    "parts": {+      "symbol": "lm25037qmtx.kicad_sym",+      "footprint": "lm25037qmtx.kicad_mod",+      "model_3d": "lm25037qmtx-hero.glb",+      "model_3d_plain": "lm25037qmtx.glb",+      "model_3d_step": "lm25037qmtx-etched.step",+      "model_3d_step_plain": "lm25037qmtx.step",+      "lbr": "lm25037qmtx.lbr"+    },+    "distributor_links": {+      "lcsc": "C2658054"+    },+    "distributor_check": {+      "checked_at": "2026-10-07T08:02:30Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "RAMP",+        "type": "input",+        "description": "Modulation ramp input to PWM comparator, reset to ground at end of each cycle by internal FET."+      },+      {+        "number": "2",+        "name": "UVLO",+        "type": "input",+        "description": "Line undervoltage lockout input with 0.45V shutdown and 1.25V standby thresholds."+      },+      {+        "number": "3",+        "name": "COMP",+        "type": "bidirectional",+        "description": "Error amplifier output and PWM comparator input with internal 1.25V reference on noninverting input."+      },+      {+        "number": "4",+        "name": "FB",+        "type": "input",+        "description": "Feedback input to error amplifier inverting input; connect to AGND for isolated applications."+      },+      {+        "number": "5",+        "name": "RT2",+        "type": "input",+        "description": "Oscillator dead-time control resistor to AGND; sets forced dead-time between alternating output switching periods."+      },+      {+        "number": "6",+        "name": "AGND",+        "type": "power_in",+        "description": "Analog ground reference; must connect directly to Power Ground."+      },+      {+        "number": "7",+        "name": "RT1",+        "type": "input",+        "description": "Oscillator maximum on-time control resistor to AGND; sum with RT2-set dead-time determines oscillator period."+      },+      {+        "number": "8",+        "name": "CS",+        "type": "input",+        "description": "Current sense input; 250mV cycle-by-cycle current limit threshold with 65ns leading edge blanking."+      },+      {+        "number": "9",+        "name": "RES",+        "type": "bidirectional",+        "description": "Restart timer; sources 18µA when cycle-by-cycle limit reached; 2V threshold fully discharges soft-start capacitor."+      },+      {+        "number": "10",+        "name": "SS",+        "type": "input",+        "description": "Soft-start capacitor charge control; 100µA internal current source reduced to 1µA after restart event."+      },+      {+        "number": "11",+        "name": "PGND",+        "type": "power_in",+        "description": "Power ground reference; must connect directly to Analog Ground."+      },+      {+        "number": "12",+        "name": "OUTB",+        "type": "output",+        "description": "Alternating gate drive output capable of 1.2A peak source and sink current."+      },+      {+        "number": "13",+        "name": "OUTA",+        "type": "output",+        "description": "Alternating gate drive output capable of 1.2A peak source and sink current."+      },+      {+        "number": "14",+        "name": "VCC",+        "type": "power_in",+        "description": "Voltage supply input/output; internally regulated to 7.7V with 0.47µF minimum decoupling capacitor."+      },+      {+        "number": "15",+        "name": "REF",+        "type": "output",+        "description": "5V reference output with 10mA typical maximum output current."+      },+      {+        "number": "16",+        "name": "VIN",+        "type": "power_in",+        "description": "Input voltage source; operates from 5.5V to 75V supply range."+      }+    ],+    "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": [],+        "pages_sent": 11,+        "cost_usd": 0.1072,+        "at": "2026-10-07T08:02:15"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm25037",+        "pages": 39,+        "sha256": "d21d69eae4ebea14",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 16,+        "described": 16,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lm25037qmtx.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.4,+          5,+          1.1+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm25037qmtx-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.4,+          5,+          1.1+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "b8e00f1e065b36dfa68cbcbc07a9d512dcfdab584ba53f4ade8b6c75447ecb04",+        "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