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component page: CAD + datasheet-first provenance (official mfr datasheet)

Ray ·5a5be42aec ·2mo ago ·parent d12ce6d
1 file changed +122−8
page.json+122−8
@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "tps54331",+  "title": "TPS54331",+  "brief": "TI 3 A step-down converter with integrated FET, SOIC-8. 3.5-28 V input, 570 kHz. Datasheet-verified.",   "version": "0.1.0",-  "type": "component",-  "description": "TI 3 A step-down converter with integrated FET, SOIC-8. 3.5-28 V input, 570 kHz. Datasheet-verified.",+  "license": "CC-BY-SA-4.0",   "tags": [     "component",     "power",@@ -13,6 +16,122 @@     "soic-8",     "texas-instruments"   ],+  "component": {+    "mpn": "TPS54331",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-8",+    "pin_count": 8,+    "category": "Power Management",+    "subcategory": "3 A step-down (buck) converter",+    "datasheet": "https://www.ti.com/lit/ds/symlink/tps54331.pdf",+    "parts": {+      "symbol": "tps54331.kicad_sym",+      "footprint": "tps54331.kicad_mod",+      "model_3d": "tps54331.glb"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "BOOT",+        "type": "power_out",+        "description": "Bootstrap capacitor node for the internal high-side N-channel MOSFET gate driver. A 0.1-\u00b5F ceramic capacitor is required between BOOT and PH. Absolute-max BOOT-to-GND is 38 V and BOOT-PH is 8 V; if the BOOT-PH voltage falls below the minimum, the high-side MOSFET is turned off until the bootstrap cap is refreshed."+      },+      {+        "number": "2",+        "name": "VIN",+        "type": "power_in",+        "description": "3.5-V to 28-V input supply pin. Absolute max 30 V; recommended operating range 3.5-28 V. Bypass to GND with a low-ESR ceramic capacitor placed close to the pin."+      },+      {+        "number": "3",+        "name": "EN",+        "type": "input",+        "description": "Enable input. Float to enable; pull below 1.25 V (typ enable threshold) to disable. A resistor divider from VIN to EN to GND programs the input UVLO with two resistors (uses the small hysteresis current, ~-1 \u00b5A at threshold and ~-4 \u00b5A at threshold+50 mV). Absolute-max 6 V."+      },+      {+        "number": "4",+        "name": "SS",+        "type": "input",+        "description": "Slow-start pin. An external capacitor from SS to GND sets the output voltage rise time (charge current ~2 \u00b5A at V(SS)=0.4 V). SS-to-VSENSE matching typ 10 mV. Absolute-max 3 V."+      },+      {+        "number": "5",+        "name": "VSENSE",+        "type": "input",+        "description": "Inverting input of the internal transconductance (gm) error amplifier. Connect the feedback resistor divider from the regulated output to VSENSE (reference voltage 0.8 V typ, 0.772-0.828 V). Absolute-max 3 V."+      },+      {+        "number": "6",+        "name": "COMP",+        "type": "output",+        "description": "Error-amplifier output and input to the PWM comparator. Connect the type-II frequency compensation network (typically Rc + Cc series to GND with optional high-frequency Cp) to this pin. Error-amp gm 92 \u00b5mhos, \u00b17 \u00b5A source/sink typ. Absolute-max 3 V."+      },+      {+        "number": "7",+        "name": "GND",+        "type": "power_in",+        "description": "Device ground. Return for all internal circuitry; must be tied to system ground (and to the exposed PowerPAD on the DDA package)."+      },+      {+        "number": "8",+        "name": "PH",+        "type": "power_out",+        "description": "Switch node - source of the internal high-side power MOSFET. Connect the external inductor to PH and the freewheeling Schottky rectifier cathode to PH. Absolute-max range -0.6 V to 30 V (10-ns transients to -5 V allowed); peak sink current up to 9 A."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://www.ti.com/lit/ds/symlink/tps54331.pdf",+        "pages": 41,+        "sha256": "cf72dfd0ac69eec6",+        "source_tier": "mfr"+      },+      "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"+    }+  },+  "metadata": {+    "specs": {+      "Type": "Step-down (buck) converter, integrated FET",+      "Output current": "3 A",+      "Input voltage": "3.5-28 V",+      "Output voltage": "down to 0.8 V",+      "Switching frequency": "570 kHz",+      "Control": "voltage-mode, external COMP",+      "Protection": "current limit + thermal shutdown",+      "Package": "SOIC-8"+    }+  },+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "tps54331",+    "3a buck converter",+    "step down converter",+    "integrated fet buck",+    "28v buck"+  ],+  "discovery_pitch": "TPS54331 3 A step-down (buck) converter with integrated FET (SOIC-8) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  },   "dependencies": {},   "hero": {     "type": "image",@@ -28,10 +147,5 @@     "docs/tps54331-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": "public",-  "author": {-    "name": "Ray",-    "email": "[email protected]"-  }+  ] }\ No newline at end of file