component
bd9e104fj-e2
Public Made by Adomby adom
ROHM DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
← Commit history
bd9e104fj-e2: restore the component block (pinout + model declarations) from this page's own README and symbol
1 file changed
+74−1
page.json+74−1@@ -33,5 +33,78 @@ "author": { "name": "Ray", "email": "[email protected]"+ },+ "component": {+ "mpn": "BD9E104FJ-E2",+ "manufacturer": "ROHM",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "DC-DC Converters",+ "parts": {+ "symbol": "bd9e104fj-e2.kicad_sym",+ "footprint": "bd9e104fj-e2.kicad_mod",+ "model_3d": "bd9e104fj-e2-etched.glb",+ "model_3d_plain": "bd9e104fj-e2.glb",+ "model_3d_step": "bd9e104fj-e2-etched.step",+ "model_3d_step_plain": "bd9e104fj-e2.step",+ "lbr": "bd9e104fj-e2.lbr"+ },+ "pins": [+ {+ "number": "1",+ "name": "BOOT",+ "type": "passive",+ "description": "Bootstrap capacitor pin. Connect a 0.1 µF ceramic capacitor between BOOT and SW; the capacitor voltage supplies the gate drive for the internal high-side MOSFET. Absolute maximum voltage from GND to BOOT is 35.0 V."+ },+ {+ "number": "2",+ "name": "VIN",+ "type": "power_in",+ "description": "Power supply input for the switching regulator and internal control circuits. Operating range 7.0 V to 26.0 V (absolute max −0.3 V to +30.0 V). A 10 µF ceramic decoupling capacitor is recommended close to this pin."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "Enable input. Drive high (≥ 2.5 V) to enable the converter; drive low (≤ 0.8 V) to force shutdown mode. Must not be left floating. Absolute maximum EN voltage is −0.3 V to +30.0 V."+ },+ {+ "number": "4",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground for the internal control circuitry. Should be connected to the system ground plane and typically tied to PGND (pin 7) at a single low-impedance point."+ },+ {+ "number": "5",+ "name": "FB",+ "type": "input",+ "description": "Feedback input to the internal gm error amplifier. Connect to an external resistor divider from VOUT to set the output voltage (reference 0.8 V typ; output range 1.0 V to VIN × 0.5). Also monitored by SCP (< 0.56 V typ) and OVP (> 1.04 V typ)."+ },+ {+ "number": "6",+ "name": "COMP",+ "type": "output",+ "description": "Error amplifier output and PWM comparator input. Connect an external RC network (phase-compensation components) from COMP to AGND to shape the control-loop response."+ },+ {+ "number": "7",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground for the output stage of the switching regulator (return for the low-side MOSFET). Route with wide, low-impedance copper directly to the input and output capacitor grounds."+ },+ {+ "number": "8",+ "name": "SW",+ "type": "power_out",+ "description": "Switch node. Common connection of the high-side MOSFET source and low-side MOSFET drain. Connect the output inductor here (accounting for DC-superimposition characteristic) and the bootstrap capacitor between SW and BOOT."+ }+ ],+ "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"+ } }-}+}