component
bl8531ccb5tr50
Public Made by Adomby adom
BL Shanghai Belling DC-DC Converters, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.
← Commit history
bl8531ccb5tr50: restore the component block (pinout + model declarations) from this page's own README and symbol
1 file changed
+56−1
page.json+56−1@@ -33,5 +33,60 @@ "author": { "name": "Ray", "email": "[email protected]"+ },+ "component": {+ "mpn": "BL8531CCB5TR50",+ "manufacturer": "BL Shanghai Belling",+ "package": "SOT-23-5",+ "pin_count": 5,+ "category": "DC-DC Converters",+ "parts": {+ "symbol": "bl8531ccb5tr50.kicad_sym",+ "footprint": "bl8531ccb5tr50.kicad_mod",+ "model_3d": "bl8531ccb5tr50-etched.glb",+ "model_3d_plain": "bl8531ccb5tr50.glb",+ "model_3d_step": "bl8531ccb5tr50-etched.step",+ "model_3d_step_plain": "bl8531ccb5tr50.step",+ "lbr": "bl8531ccb5tr50.lbr"+ },+ "pins": [+ {+ "number": "1",+ "name": "CE",+ "type": "input",+ "description": "Chip Enable, active high. VCEH ≥ 0.8V enables the controller; VCEL ≤ 0.3V puts the device into standby (Istandby ≤ 1uA). Absolute maximum: -0.3V to (VOUT+0.3V)."+ },+ {+ "number": "2",+ "name": "OUT",+ "type": "power_in",+ "description": "Output-voltage sense and internal power-supply pin. The chip's switch current flows from this pin through the die to GND, so this pin is fed from the boost output rail (up to 12V absolute max, typical trimmed values 2.5-6.0V). A 1nF ceramic filter cap between OUT and GND is recommended close to the pin for a stable sense reference."+ },+ {+ "number": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection. Leave floating or tie to a convenient net per board layout."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference and return for the internal switch current. Route the OUT filter capacitor's ground terminal close to this pin."+ },+ {+ "number": "5",+ "name": "EXT",+ "type": "output",+ "description": "PFM driver output for the external switching transistor (NMOSFET gate or NPN base). Sources up to ~41mA (IEXTH) and sinks up to ~31mA (IEXTL) at nominal Vout=5.0V, with a fixed 400kHz oscillator and 70-80% on-side duty cycle. Absolute maximum swing: -0.3V to (VOUT+0.3V)."+ }+ ],+ "provenance": {+ "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ } }-}+}