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Initial commit: component/lm5156hpwpr

Ray ·8b565e2058 ·8d ago
2 files changed +249
README.mdadded+52
@@ -0,0 +1,52 @@+# LM5156HPWPR++**Texas Instruments** · DC-DC Converters · HTSSOP-14-EP++LM5156HPWPR from Texas Instruments, in a HTSSOP-14-EP. 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 | BIAS | power_in | Supply voltage input to VCC regulator operating from 2.97 V to 60 V with absolute maximum 65 V. |+| 2 | NC | unconnected | No electrical connection. |+| 3 | VCC | power_out | VCC regulator output and MOSFET driver supply voltage regulated to 6.85 V typical from ≥8 V BIAS input. |+| 4 | GATE | output | N-channel MOSFET gate drive output with ±1.5 A peak sourcing and sinking current capability. |+| 5 | PGND | power_in | Power ground connection for sense resistor return path requiring low inductance wide and short path. |+| 6 | AGND | power_in | Analog ground connection to be connected directly to analog ground plane through wide and short path. |+| 7 | CS | input | Current sense input with peak current limit threshold of 100 mV ±7% for cycle-by-cycle limiting. |+| 8 | COMP | output | Transconductance error amplifier output with 2 mA/V gain and internal voltage clamps from 1.15 V to 2.8 V. |+| 9 | DITHOFF | input | Spread spectrum selection pin with internal dithering enabled when grounded and disabled when connected to VCC. |+| 10 | FB | input | Inverting input of error amplifier with 1.0 V ±1% internal reference and absolute maximum voltage rating 4.0 V. |+| 11 | SS | input | Soft-start capacitor programming pin charged with 10 μA internal current source to ramp reference voltage. |+| 12 | RT | input | Switching frequency setting pin with external resistor programming frequency from 100 kHz to 2.2 MHz. |+| 13 | PGOOD | tri_state | Open-drain power good indicator output pulled low when FB voltage falls below 90% ±3% of internal reference. |+| 14 | EN/UVLO/SYNC | input | Undervoltage lockout and external clock synchronization input with enable threshold 0.52 V and UVLO threshold 1.5 V. |+| 15 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-14-EP |+| Category | Power Management (PMIC) |+| Pins | 15 |++## CAD (KiCad official)++- Symbol: `LM5156HPWPR`+- Footprint: `Package_SO:TSSOP-14-1EP_4.4x5mm_P0.65mm`+- 3D model: HTSSOP-14-EP (KiCad packages3D, STEP)+- 3D model files: `lm5156hpwpr-etched.step` / `lm5156hpwpr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm5156hpwpr.step` / `lm5156hpwpr.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/lm5156h) (47 pp, sha256 `1c2afe6d19f818b2`, retrieved 2026-09-27, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/lm5156hpwpr-datasheet.pdf)
page.jsonadded+197
@@ -0,0 +1,197 @@+{+  "slug": "lm5156hpwpr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, HTSSOP-14-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm5156hpwpr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm5156hpwpr.kicad_sym",+    "lm5156hpwpr.kicad_mod",+    "lm5156hpwpr.glb",+    "lm5156hpwpr.step",+    "lm5156hpwpr.lbr",+    "docs/hero.png",+    "docs/lm5156hpwpr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "LM5156HPWPR",+    "manufacturer": "Texas Instruments",+    "package": "HTSSOP-14-EP",+    "pin_count": 15,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm5156h",+    "parts": {+      "symbol": "lm5156hpwpr.kicad_sym",+      "footprint": "lm5156hpwpr.kicad_mod",+      "model_3d": "lm5156hpwpr-etched.glb",+      "model_3d_plain": "lm5156hpwpr.glb",+      "model_3d_step": "lm5156hpwpr-etched.step",+      "model_3d_step_plain": "lm5156hpwpr.step",+      "lbr": "lm5156hpwpr.lbr"+    },+    "distributor_links": {+      "lcsc": "C2867852",+      "digikey": "296-LM5156HPWPRTR-ND",+      "mouser": "595-LM5156HPWPR"+    },+    "distributor_check": {+      "checked_at": "2026-09-27T10:49:46Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-LM5156HPWPRTR-ND",+        "status": "found"+      },+      "mouser": {+        "pn": "595-LM5156HPWPR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "BIAS",+        "type": "power_in",+        "description": "Supply voltage input to VCC regulator operating from 2.97 V to 60 V with absolute maximum 65 V."+      },+      {+        "number": "2",+        "name": "NC",+        "type": "unconnected",+        "description": "No electrical connection."+      },+      {+        "number": "3",+        "name": "VCC",+        "type": "power_out",+        "description": "VCC regulator output and MOSFET driver supply voltage regulated to 6.85 V typical from ≥8 V BIAS input."+      },+      {+        "number": "4",+        "name": "GATE",+        "type": "output",+        "description": "N-channel MOSFET gate drive output with ±1.5 A peak sourcing and sinking current capability."+      },+      {+        "number": "5",+        "name": "PGND",+        "type": "power_in",+        "description": "Power ground connection for sense resistor return path requiring low inductance wide and short path."+      },+      {+        "number": "6",+        "name": "AGND",+        "type": "power_in",+        "description": "Analog ground connection to be connected directly to analog ground plane through wide and short path."+      },+      {+        "number": "7",+        "name": "CS",+        "type": "input",+        "description": "Current sense input with peak current limit threshold of 100 mV ±7% for cycle-by-cycle limiting."+      },+      {+        "number": "8",+        "name": "COMP",+        "type": "output",+        "description": "Transconductance error amplifier output with 2 mA/V gain and internal voltage clamps from 1.15 V to 2.8 V."+      },+      {+        "number": "9",+        "name": "DITHOFF",+        "type": "input",+        "description": "Spread spectrum selection pin with internal dithering enabled when grounded and disabled when connected to VCC."+      },+      {+        "number": "10",+        "name": "FB",+        "type": "input",+        "description": "Inverting input of error amplifier with 1.0 V ±1% internal reference and absolute maximum voltage rating 4.0 V."+      },+      {+        "number": "11",+        "name": "SS",+        "type": "input",+        "description": "Soft-start capacitor programming pin charged with 10 μA internal current source to ramp reference voltage."+      },+      {+        "number": "12",+        "name": "RT",+        "type": "input",+        "description": "Switching frequency setting pin with external resistor programming frequency from 100 kHz to 2.2 MHz."+      },+      {+        "number": "13",+        "name": "PGOOD",+        "type": "tri_state",+        "description": "Open-drain power good indicator output pulled low when FB voltage falls below 90% ±3% of internal reference."+      },+      {+        "number": "14",+        "name": "EN/UVLO/SYNC",+        "type": "input",+        "description": "Undervoltage lockout and external clock synchronization input with enable threshold 0.52 V and UVLO threshold 1.5 V."+      },+      {+        "number": "15",+        "name": "EP",+        "type": "passive",+        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.2",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.2",+        "primary_model": "claude-haiku-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-4-6",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [],+        "pages_sent": 47,+        "cost_usd": 0.3244,+        "at": "2026-09-27T10:49:30"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm5156h",+        "pages": 47,+        "sha256": "1c2afe6d19f818b2",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 15,+        "described": 15,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    }+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file