UC3845BD1R2G

@@ -42,6 +42,20 @@ UC3845BD1R2G from onsemi, in a SOIC-8. Pinout and pin descriptions extracted fro - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SOIC-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`uc3845bd1r2g.step`](uc3845bd1r2g.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`uc3845bd1r2g-etched.step`](uc3845bd1r2g-etched.step) | 2.8 MB | You want the part with `UC3845BD1R2G` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 680 faces against 147 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance  Data extracted from the manufacturer datasheet, not a distributor listing:

@@ -1,6 +1,6 @@ {   "slug": "uc3845bd1r2g",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "onsemi AC-DC Controllers and Regulators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "uc3845bd1r2g",   "title": "UC3845BD1R2G",   "brief": "onsemi AC-DC Controllers and Regulators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -52,7 +52,7 @@         "number": "4",         "name": "RT/CT",         "type": "passive",-        "description": "Oscillator timing pin. External resistor RT to Vref and timing capacitor CT to GND set the oscillator frequency (fOSC \u2248 1.72 / (RT\u00b7CT) for RT > 5 k\u03a9). Output switching frequency equals oscillator frequency."+        "description": "Oscillator timing pin. External resistor RT to Vref and timing capacitor CT to GND set the oscillator frequency (fOSC ≈ 1.72 / (RT·CT) for RT > 5 kΩ). Output switching frequency equals oscillator frequency."       },       {         "number": "5",@@ -64,7 +64,7 @@         "number": "6",         "name": "Output",         "type": "output",-        "description": "High-current totem-pole gate-drive output for the external power MOSFET. Capable of \u00b11 A peak source/sink; typical VOH \u2248 13.5 V and VOL \u2248 0.1 V at 20 mA. Rise/fall times ~50 ns into 1 nF."+        "description": "High-current totem-pole gate-drive output for the external power MOSFET. Capable of ±1 A peak source/sink; typical VOH ≈ 13.5 V and VOL ≈ 0.1 V at 20 mA. Rise/fall times ~50 ns into 1 nF."       },       {         "number": "7",@@ -76,7 +76,7 @@         "number": "8",         "name": "Vref",         "type": "power_out",-        "description": "Buffered 5.0 V \u00b11% precision reference output (4.95-5.05 V at 25 \u00b0C, 1 mA). Sources up to ~50 mA to bias external circuitry and to feed the oscillator timing resistor RT. Short-circuit protected (~85 mA typ)."+        "description": "Buffered 5.0 V ±1% precision reference output (4.95-5.05 V at 25 °C, 1 mA). Sources up to ~50 mA to bias external circuitry and to feed the oscillator timing resistor RT. Short-circuit protected (~85 mA typ)."       }     ],     "provenance": {@@ -150,9 +150,9 @@     "docs/hero.png",     "docs/uc3845bd1r2g-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "onsemi AC-DC Controllers and Regulators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file