BL9342

@@ -30,6 +30,20 @@ BL9342 from BL Shanghai Belling, in a SOT-23-6. Pinout and pin descriptions extr - Footprint: `Package_TO_SOT_SMD:SOT-23-6` - 3D model: SOT-23-6 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`bl9342.step`](bl9342.step) | 97 KB | You want the bare part, or you mark your own boards. |+| [`bl9342-etched.step`](bl9342-etched.step) | 1.5 MB | You want the part with `BL9342` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 362 faces against 117 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": "bl9342",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "BL Shanghai Belling DC-DC Converters, SOT-23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "bl9342",   "title": "BL9342",   "brief": "BL Shanghai Belling DC-DC Converters, SOT-23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -46,25 +46,25 @@         "number": "3",         "name": "FB",         "type": "input",-        "description": "Feedback input to the internal error amplifier. An external resistor divider from VOUT to GND sets the regulated output voltage, compared against the internal 0.794 V (typ. 0.8 V) reference. Recommended R1 \u2248 124 k\u03a9 for optimal loop response."+        "description": "Feedback input to the internal error amplifier. An external resistor divider from VOUT to GND sets the regulated output voltage, compared against the internal 0.794 V (typ. 0.8 V) reference. Recommended R1 ≈ 124 kΩ for optimal loop response."       },       {         "number": "4",         "name": "EN",         "type": "input",-        "description": "Enable input, active high. VIH \u2265 1.6 V (typ. 2.0 V) turns the chip on; pulling below the threshold shuts it down. Hysteresis 0.6 V. Internally pulled to GND so floating EN disables the part; do not leave floating in operation."+        "description": "Enable input, active high. VIH ≥ 1.6 V (typ. 2.0 V) turns the chip on; pulling below the threshold shuts it down. Hysteresis 0.6 V. Internally pulled to GND so floating EN disables the part; do not leave floating in operation."       },       {         "number": "5",         "name": "VIN",         "type": "power_in",-        "description": "Power supply input, 4.2 V to 40 V (absolute max 43 V). Supplies all internal control circuitry and the integrated high-side power MOSFET. Decouple to GND with a low-ESR capacitor (e.g. 4.7 \u00b5F/50 V) placed close to the pin to minimise switching spikes."+        "description": "Power supply input, 4.2 V to 40 V (absolute max 43 V). Supplies all internal control circuitry and the integrated high-side power MOSFET. Decouple to GND with a low-ESR capacitor (e.g. 4.7 µF/50 V) placed close to the pin to minimise switching spikes."       },       {         "number": "6",         "name": "SW",         "type": "output",-        "description": "Switch node output from the internal high-side power MOSFET (RDS(on) \u2248 500 m\u03a9). Connect the inductor here and place a low-VF Schottky freewheeling diode from SW to GND close to the pin. Rated up to VIN (max 40 V)."+        "description": "Switch node output from the internal high-side power MOSFET (RDS(on) ≈ 500 mΩ). Connect the inductor here and place a low-VF Schottky freewheeling diode from SW to GND close to the pin. Rated up to VIN (max 40 V)."       }     ],     "provenance": {@@ -138,9 +138,9 @@     "docs/hero.png",     "docs/bl9342-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "BL Shanghai Belling DC-DC Converters, SOT-23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file