component
BL2556ACB5TR
Public Made by Adomby adom
BL Shanghai Belling USB Converters, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -34,6 +34,20 @@ BL2556ACB5TR from BL Shanghai Belling, in a SOT-23-5. Pinout and pin description - Footprint: `Package_TO_SOT_SMD:SOT-23-5` - 3D model: SOT-23-5 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`bl2556acb5tr.step`](bl2556acb5tr.step) | 85 KB | You want the bare part, or you mark your own boards. |+| [`bl2556acb5tr-etched.step`](bl2556acb5tr-etched.step) | 2.4 MB | You want the part with `BL2556ACB5TR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 568 faces against 102 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:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "bl2556acb5tr",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "BL Shanghai Belling USB Converters, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+8−8@@ -4,7 +4,7 @@ "slug": "bl2556acb5tr", "title": "BL2556ACB5TR", "brief": "BL Shanghai Belling USB Converters, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,7 +34,7 @@ "number": "1", "name": "VOUT", "type": "power_out",- "description": "Switched power output; connects to USB VBUS. Internally connected to VIN through the ~70m\u03a9 high-side power MOSFET when the switch is enabled. Has an internal pull-down to discharge the output cap when the switch is off."+ "description": "Switched power output; connects to USB VBUS. Internally connected to VIN through the ~70mΩ high-side power MOSFET when the switch is enabled. Has an internal pull-down to discharge the output cap when the switch is off." }, { "number": "2",@@ -46,7 +46,7 @@ "number": "3", "name": "RSET", "type": "passive",- "description": "Current-limit threshold set pin. Connect an external resistor from RSET to GND to program the overcurrent threshold: Ioc = 60k\u03a9 / Rset (typical range 1.7-2.3 A with Rset=30 k\u03a9). Place resistor as close as possible to the pin."+ "description": "Current-limit threshold set pin. Connect an external resistor from RSET to GND to program the overcurrent threshold: Ioc = 60kΩ / Rset (typical range 1.7-2.3 A with Rset=30 kΩ). Place resistor as close as possible to the pin." }, { "number": "4",@@ -58,7 +58,7 @@ "number": "5", "name": "VIN", "type": "power_in",- "description": "Main supply input, 2.7 V to 5.5 V (abs max 6 V). Bypass with a low-ESR ceramic capacitor (e.g. 4.7 \u00b5F) placed close to the pin. UVLO ~2.2 V rising."+ "description": "Main supply input, 2.7 V to 5.5 V (abs max 6 V). Bypass with a low-ESR ceramic capacitor (e.g. 4.7 µF) placed close to the pin. UVLO ~2.2 V rising." } ], "provenance": {@@ -132,9 +132,9 @@ "docs/hero.png", "docs/bl2556acb5tr-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "BL Shanghai Belling USB Converters, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D." }