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Initial commit: component/lm2594n-5-0

Ray ·297c33ef16 ·1d ago
2 files changed +246
README.mdadded+44
@@ -0,0 +1,44 @@+# LM2594N-5.0++**Texas Instruments** · DC-DC Converters · PDIP-8++LM2594N-5.0 from Texas Instruments, in a PDIP-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 | NC | unconnected | No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer. |+| 2 | NC | unconnected | No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer. |+| 3 | NC | unconnected | No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer. |+| 4 | Feedback | input | Senses the regulated output voltage to complete the feedback loop. |+| 5 | ON/OFF | input | Logic-level shutdown: pulling below about 1.3 V turns the regulator on and pulling above 1.3 V (up to a maximum of 25 V) shuts it down, reducing total input supply current to about 80 µA; leave open or tie to ground to keep the regulator always on. |+| 6 | Ground | power_in | Circuit ground. |+| 7 | +VIN | power_in | Positive input supply for the switching regulator, requiring a suitable input bypass capacitor at this pin; recommended operating supply is 4.5 V to 40 V for LM2594 (60 V for LM2594HV) with absolute maximum of 45 V for LM2594. |+| 8 | Output | output | Internal switch output that swings between (+VIN − VSAT) and approximately −0.5 V with duty cycle VOUT/VIN; keep the PCB copper area on this pin to a minimum to limit coupling to sensitive circuitry. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | PDIP-8 |+| Category | Power Management (PMIC) |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2594N-5.0`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: PDIP-8 (KiCad packages3D, STEP)+- 3D model files: `lm2594n-5-0-etched.step` / `lm2594n-5-0-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2594n-5-0.step` / `lm2594n-5-0.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/lm2594) (48 pp, sha256 `f4ff0460f0a09cf3`, 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/lm2594n-5-0-datasheet.pdf)
page.jsonadded+202
@@ -0,0 +1,202 @@+{+  "slug": "lm2594n-5-0",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments DC-DC Converters, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm2594n-5.0",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm2594n-5-0.kicad_sym",+    "lm2594n-5-0.kicad_mod",+    "lm2594n-5-0.glb",+    "lm2594n-5-0.step",+    "lm2594n-5-0.lbr",+    "docs/hero.png",+    "docs/lm2594n-5-0-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm2594n-5-0-hero.glb",+    "lm2594n-5-0-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM2594N-5.0",+    "manufacturer": "Texas Instruments",+    "package": "PDIP-8",+    "pin_count": 8,+    "category": "Power Management (PMIC)",+    "subcategory": "DC-DC Converters",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2594",+    "parts": {+      "symbol": "lm2594n-5-0.kicad_sym",+      "footprint": "lm2594n-5-0.kicad_mod",+      "model_3d": "lm2594n-5-0-hero.glb",+      "model_3d_plain": "lm2594n-5-0.glb",+      "model_3d_step": "lm2594n-5-0-etched.step",+      "model_3d_step_plain": "lm2594n-5-0.step",+      "lbr": "lm2594n-5-0.lbr"+    },+    "distributor_links": {+      "lcsc": "C1355298",+      "digikey": "LM2594N-5.0-ND",+      "mouser": "926-LM2594N-50"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T05:01:44Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "LM2594N-5.0-ND",+        "status": "found",+        "lifecycle": "Obsolete"+      },+      "mouser": {+        "pn": "926-LM2594N-50",+        "status": "found",+        "lifecycle": "Obsolete"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "NC",+        "type": "unconnected",+        "description": "No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer."+      },+      {+        "number": "2",+        "name": "NC",+        "type": "unconnected",+        "description": "No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer."+      },+      {+        "number": "3",+        "name": "NC",+        "type": "unconnected",+        "description": "No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer."+      },+      {+        "number": "4",+        "name": "Feedback",+        "type": "input",+        "description": "Senses the regulated output voltage to complete the feedback loop."+      },+      {+        "number": "5",+        "name": "ON/OFF",+        "type": "input",+        "description": "Logic-level shutdown: pulling below about 1.3 V turns the regulator on and pulling above 1.3 V (up to a maximum of 25 V) shuts it down, reducing total input supply current to about 80 µA; leave open or tie to ground to keep the regulator always on."+      },+      {+        "number": "6",+        "name": "Ground",+        "type": "power_in",+        "description": "Circuit ground."+      },+      {+        "number": "7",+        "name": "+VIN",+        "type": "power_in",+        "description": "Positive input supply for the switching regulator, requiring a suitable input bypass capacitor at this pin; recommended operating supply is 4.5 V to 40 V for LM2594 (60 V for LM2594HV) with absolute maximum of 45 V for LM2594."+      },+      {+        "number": "8",+        "name": "Output",+        "type": "output",+        "description": "Internal switch output that swings between (+VIN − VSAT) and approximately −0.5 V with duty cycle VOUT/VIN; keep the PCB copper area on this pin to a minimum to limit coupling to sensitive circuitry."+      }+    ],+    "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: Pinout is taken from the shared D/P package table for the LM2594/LM2594HV family (Figure 6-1 and Tab; The datasheet's electrical limits for pins 5 and 7 (ON/OFF up to 25 V, +VIN 4.5 V to 40 V recommende",+          "1/8 pin names appear NOWHERE in the datasheet text: ['6:Ground@p3']"+        ],+        "pages_sent": 10,+        "cost_usd": 0.0631,+        "at": "2026-10-08T05:01:28"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm2594",+        "pages": 48,+        "sha256": "f4ff0460f0a09cf3",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 8,+        "described": 8,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lm2594n-5-0.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "body on z = 0, through-hole leads below",+        "extents_mm": [+          7.874,+          9.27,+          6.98+        ],+        "zmin_mm": -3.3,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm2594n-5-0-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "body on z = 0, through-hole leads below",+        "extents_mm": [+          7.874,+          9.27,+          6.98+        ],+        "zmin_mm": -3.3,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "9ef016a35f6a03ea2de0b0f24084c3dd9c933288fefb77cf90468b397049e1b7",+        "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