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Initial commit: component/lp87332brhdrq1

Ray ·8d18a1dae7 ·1d ago
2 files changed +393
README.mdadded+66
@@ -0,0 +1,66 @@+# LP87332BRHDRQ1++**Texas Instruments** · DC-DC Converters · VQFN-28-EP(5x5)++LP87332BRHDRQ1 from Texas Instruments, in a VQFN-28-EP(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 | VOUT_LDO0 | power_out | LDO0 regulator output; leave the pin floating if LDO0 is not used. |+| 2 | FB_B0 | input | Output voltage feedback (positive sense) for Buck 0. |+| 3 | FB_B1 | input | Output voltage feedback (positive sense) for Buck 1. |+| 4 | AGND | power_in | Ground. |+| 5 | VANA | power_in | Supply voltage for analog and digital blocks; must be connected to the same node as VIN_Bx. |+| 6 | EN | input | Programmable enable signal for the regulators and GPOs; leave floating if not used. |+| 7 | VOUT_LDO1 | power_out | LDO1 regulator output; leave the pin floating if LDO1 is not used. |+| 8 | VIN_LDO1 | power_in | Power input for LDO1; connect to VANA if LDO1 is not used. |+| 9 | nINT | output | Open-drain interrupt output, active LOW; connect to ground if not used. |+| 10 | CLKIN | bidirectional | External clock input, alternatively configurable as general-purpose digital output GPO2; leave floating if not used. |+| 11 | VIN_B1 | power_in | Input for Buck 1; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed. |+| 12 | VIN_B1 | power_in | Input for Buck 1; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed. |+| 13 | SW_B1 | power_out | Buck 1 switch node; leave floating if Buck 1 is not used. |+| 14 | SW_B1 | power_out | Buck 1 switch node; leave floating if Buck 1 is not used. |+| 15 | PGND_B1 | power_in | Power ground for Buck 1. |+| 16 | PGND_B1 | power_in | Power ground for Buck 1. |+| 17 | SCL | input | I2C serial interface clock input; connect a pullup resistor, or connect to ground if the I2C interface is not used. |+| 18 | SDA | bidirectional | I2C serial interface data input and output; connect a pullup resistor, or connect to ground if the I2C interface is not used. |+| 19 | SGND | power_in | Ground. |+| 20 | PGND_B0 | power_in | Power ground for Buck 0. |+| 21 | PGND_B0 | power_in | Power ground for Buck 0. |+| 22 | SW_B0 | power_out | Buck 0 switch node; leave floating if Buck 0 is not used. |+| 23 | SW_B0 | power_out | Buck 0 switch node; leave floating if Buck 0 is not used. |+| 24 | VIN_B0 | power_in | Input for Buck 0; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed. |+| 25 | VIN_B0 | power_in | Input for Buck 0; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed. |+| 26 | GPO | output | General-purpose digital output; leave floating if not used. |+| 27 | PGOOD | output | Power-good indication output; leave floating if not used. |+| 28 | VIN_LDO0 | power_in | Power input for LDO0; connect to VANA if LDO0 is not used. |+| 29 | THERMAL PAD | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-28-EP(5x5) |+| Category | Power Management (PMIC) |+| Pins | 29 |++## CAD (KiCad official)++- Symbol: `LP87332BRHDRQ1`+- Footprint: `Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm`+- 3D model: VQFN-28-EP(5x5) (KiCad packages3D, STEP)+- 3D model files: `lp87332brhdrq1-etched.step` / `lp87332brhdrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lp87332brhdrq1.step` / `lp87332brhdrq1.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/lp87332b-q1) (82 pp, sha256 `4590c4a26437430a`, retrieved 2026-10-08, 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-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/lp87332brhdrq1-datasheet.pdf)
page.jsonadded+327
@@ -0,0 +1,327 @@+{+  "slug": "lp87332brhdrq1",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, VQFN-28-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lp87332brhdrq1",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lp87332brhdrq1.kicad_sym",+    "lp87332brhdrq1.kicad_mod",+    "lp87332brhdrq1.glb",+    "lp87332brhdrq1.step",+    "lp87332brhdrq1.lbr",+    "docs/hero.png",+    "docs/lp87332brhdrq1-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lp87332brhdrq1-hero.glb",+    "lp87332brhdrq1-hero.overlay.json"+  ],+  "component": {+    "mpn": "LP87332BRHDRQ1",+    "manufacturer": "Texas Instruments",+    "package": "VQFN-28-EP(5x5)",+    "pin_count": 29,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lp87332b-q1",+    "parts": {+      "symbol": "lp87332brhdrq1.kicad_sym",+      "footprint": "lp87332brhdrq1.kicad_mod",+      "model_3d": "lp87332brhdrq1-hero.glb",+      "model_3d_plain": "lp87332brhdrq1.glb",+      "model_3d_step": "lp87332brhdrq1-etched.step",+      "model_3d_step_plain": "lp87332brhdrq1.step",+      "lbr": "lp87332brhdrq1.lbr"+    },+    "distributor_links": {+      "lcsc": "C2650294",+      "digikey": "296-51415-2-ND",+      "mouser": "595-LP87332BRHDRQ1"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T15:44:49Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-51415-2-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-LP87332BRHDRQ1",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VOUT_LDO0",+        "type": "power_out",+        "description": "LDO0 regulator output; leave the pin floating if LDO0 is not used."+      },+      {+        "number": "2",+        "name": "FB_B0",+        "type": "input",+        "description": "Output voltage feedback (positive sense) for Buck 0."+      },+      {+        "number": "3",+        "name": "FB_B1",+        "type": "input",+        "description": "Output voltage feedback (positive sense) for Buck 1."+      },+      {+        "number": "4",+        "name": "AGND",+        "type": "power_in",+        "description": "Ground."+      },+      {+        "number": "5",+        "name": "VANA",+        "type": "power_in",+        "description": "Supply voltage for analog and digital blocks; must be connected to the same node as VIN_Bx."+      },+      {+        "number": "6",+        "name": "EN",+        "type": "input",+        "description": "Programmable enable signal for the regulators and GPOs; leave floating if not used."+      },+      {+        "number": "7",+        "name": "VOUT_LDO1",+        "type": "power_out",+        "description": "LDO1 regulator output; leave the pin floating if LDO1 is not used."+      },+      {+        "number": "8",+        "name": "VIN_LDO1",+        "type": "power_in",+        "description": "Power input for LDO1; connect to VANA if LDO1 is not used."+      },+      {+        "number": "9",+        "name": "nINT",+        "type": "output",+        "description": "Open-drain interrupt output, active LOW; connect to ground if not used."+      },+      {+        "number": "10",+        "name": "CLKIN",+        "type": "bidirectional",+        "description": "External clock input, alternatively configurable as general-purpose digital output GPO2; leave floating if not used."+      },+      {+        "number": "11",+        "name": "VIN_B1",+        "type": "power_in",+        "description": "Input for Buck 1; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed."+      },+      {+        "number": "12",+        "name": "VIN_B1",+        "type": "power_in",+        "description": "Input for Buck 1; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed."+      },+      {+        "number": "13",+        "name": "SW_B1",+        "type": "power_out",+        "description": "Buck 1 switch node; leave floating if Buck 1 is not used."+      },+      {+        "number": "14",+        "name": "SW_B1",+        "type": "power_out",+        "description": "Buck 1 switch node; leave floating if Buck 1 is not used."+      },+      {+        "number": "15",+        "name": "PGND_B1",+        "type": "power_in",+        "description": "Power ground for Buck 1."+      },+      {+        "number": "16",+        "name": "PGND_B1",+        "type": "power_in",+        "description": "Power ground for Buck 1."+      },+      {+        "number": "17",+        "name": "SCL",+        "type": "input",+        "description": "I2C serial interface clock input; connect a pullup resistor, or connect to ground if the I2C interface is not used."+      },+      {+        "number": "18",+        "name": "SDA",+        "type": "bidirectional",+        "description": "I2C serial interface data input and output; connect a pullup resistor, or connect to ground if the I2C interface is not used."+      },+      {+        "number": "19",+        "name": "SGND",+        "type": "power_in",+        "description": "Ground."+      },+      {+        "number": "20",+        "name": "PGND_B0",+        "type": "power_in",+        "description": "Power ground for Buck 0."+      },+      {+        "number": "21",+        "name": "PGND_B0",+        "type": "power_in",+        "description": "Power ground for Buck 0."+      },+      {+        "number": "22",+        "name": "SW_B0",+        "type": "power_out",+        "description": "Buck 0 switch node; leave floating if Buck 0 is not used."+      },+      {+        "number": "23",+        "name": "SW_B0",+        "type": "power_out",+        "description": "Buck 0 switch node; leave floating if Buck 0 is not used."+      },+      {+        "number": "24",+        "name": "VIN_B0",+        "type": "power_in",+        "description": "Input for Buck 0; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed."+      },+      {+        "number": "25",+        "name": "VIN_B0",+        "type": "power_in",+        "description": "Input for Buck 0; VIN_Bx pins are not connected together internally and must be tied together in the application and locally bypassed."+      },+      {+        "number": "26",+        "name": "GPO",+        "type": "output",+        "description": "General-purpose digital output; leave floating if not used."+      },+      {+        "number": "27",+        "name": "PGOOD",+        "type": "output",+        "description": "Power-good indication output; leave floating if not used."+      },+      {+        "number": "28",+        "name": "VIN_LDO0",+        "type": "power_in",+        "description": "Power input for LDO0; connect to VANA if LDO0 is not used."+      },+      {+        "number": "29",+        "name": "THERMAL PAD",+        "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 thermal pad is not given a pin number in Table 5-1 (listed only as 'Thermal Pad'), so it is excl; Pin-to-number mapping was taken from Table 5-1 (Pin Functions), not from the Figure 5-1 top-view dra; Pins with shared numbers in Table 5-1 (11/12, 13/14, 15/16, 20/21, 22/23, 24/25) are split into one ",+          "exposed pad 29 added from the footprint"+        ],+        "pages_sent": 17,+        "cost_usd": 0.1125,+        "at": "2026-10-08T15:44:30"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lp87332b-q1",+        "pages": 82,+        "sha256": "4590c4a26437430a",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 29,+        "described": 29,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lp87332brhdrq1.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          5,+          5,+          0.92+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "e9d6d740f505b03e5aa0ac826330f9e269344b84656d051f50eb07ac162749eb",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lp87332brhdrq1-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          5,+          5,+          0.92+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "7269e074e8b29cab6b4e1fdeffaa446aad522296b59ed24817f8f4b4cc1af64e",+        "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