UC2845D8TR

@@ -71,7 +71,7 @@         "number": "4",         "name": "RT/CT",         "type": "bidirectional",-        "description": "Oscillator timing pin where timing resistor RRT (\u22655k\u03a9) connects to VREF and timing capacitor CCT connects to GROUND to set switching frequency from 100kHz to 500kHz per fOSC = 1.72/(RRT\u00d7CCT)."+        "description": "Oscillator timing pin where timing resistor RRT (≥5kΩ) connects to VREF and timing capacitor CCT connects to GROUND to set switching frequency from 100kHz to 500kHz per fOSC = 1.72/(RRT×CCT)."       },       {         "number": "5",@@ -83,19 +83,19 @@         "number": "6",         "name": "OUTPUT",         "type": "output",-        "description": "Gate driver output capable of sourcing and sinking \u00b11A peak current to directly drive external MOSFET; actively held low when VCC is below UVLO turn-on threshold."+        "description": "Gate driver output capable of sourcing and sinking ±1A peak current to directly drive external MOSFET; actively held low when VCC is below UVLO turn-on threshold."       },       {         "number": "7",         "name": "VCC",         "type": "power_in",-        "description": "Power supply input for analog controller bias requiring 0.1\u00b5F minimum bypass capacitor directly connected to GROUND with minimum wire length; recommended voltage 12V to 28V with maximum static current 17mA at 15V."+        "description": "Power supply input for analog controller bias requiring 0.1µF minimum bypass capacitor directly connected to GROUND with minimum wire length; recommended voltage 12V to 28V with maximum static current 17mA at 15V."       },       {         "number": "8",         "name": "VREF",         "type": "power_in",-        "description": "Internal 5V reference voltage (\u00b12% tolerance for UC284x) used to supply charging current to oscillator timing capacitor; requires 0.1\u00b5F minimum ceramic bypass capacitor placed as close as possible to pin."+        "description": "Internal 5V reference voltage (±2% tolerance for UC284x) used to supply charging current to oscillator timing capacitor; requires 0.1µF minimum ceramic bypass capacitor placed as close as possible to pin."       }     ],     "provenance": {@@ -130,6 +130,46 @@     "viewers": {       "symbol": "viewers/symbol.html",       "footprint": "viewers/footprint.html"-    }+    },+    "models_3d": [+      {+        "file": "uc2845d8tr.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.0,+          4.9,+          1.75+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "uc2845d8tr-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.0,+          4.9,+          1.75+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "f7c5371b8b4b7d2e41848e6ad5d4cc053c2e0c1ed8c3ceb8bc7c9d5e1d4eee6b",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]   }-}\ No newline at end of file+}