bd9d320efj-e2

@@ -33,5 +33,84 @@   "author": {     "name": "Ray",     "email": "[email protected]"+  },+  "component": {+    "mpn": "BD9D320EFJ-E2",+    "manufacturer": "ROHM",+    "package": "HTSOP-8-EP",+    "pin_count": 9,+    "category": "DC-DC Converters",+    "parts": {+      "symbol": "bd9d320efj-e2.kicad_sym",+      "footprint": "bd9d320efj-e2.kicad_mod",+      "model_3d": "bd9d320efj-e2-etched.glb",+      "model_3d_plain": "bd9d320efj-e2.glb",+      "model_3d_step": "bd9d320efj-e2-etched.step",+      "model_3d_step_plain": "bd9d320efj-e2.step",+      "lbr": "bd9d320efj-e2.lbr"+    },+    "pins": [+      {+        "number": "1",+        "name": "EN",+        "type": "input",+        "description": "Enable input. Drive ≤0.3V to force shutdown; drive ≥2.2V to enable the device. Must not be left floating."+      },+      {+        "number": "2",+        "name": "FB",+        "type": "input",+        "description": "Feedback input. Inverting input of the error comparator, compared against the internal 0.765V reference (VREF). Set VOUT via an external resistor divider from VOUT to FB to GND."+      },+      {+        "number": "3",+        "name": "VREG",+        "type": "power_out",+        "description": "Internal 5.25V (Typ) LDO output used as the IC's control-circuit supply. Active when EN is above 2.2V. Bypass to GND with a 1µF ceramic capacitor."+      },+      {+        "number": "4",+        "name": "SS",+        "type": "passive",+        "description": "Soft-start timing pin. Connect a capacitor to GND to set the output-voltage rise time during startup."+      },+      {+        "number": "5",+        "name": "GND",+        "type": "power_in",+        "description": "Ground return for both the switching output stage and the internal control circuitry."+      },+      {+        "number": "6",+        "name": "SW",+        "type": "output",+        "description": "Switch node. Connected to the source of the high-side MOSFET and drain of the low-side MOSFET. Connect the output inductor here (sized for the required DC current) and a 0.1µF bootstrap capacitor between SW and BOOT."+      },+      {+        "number": "7",+        "name": "BOOT",+        "type": "passive",+        "description": "Bootstrap capacitor node. Connect a 0.1µF capacitor between BOOT and SW; this capacitor generates the gate-drive voltage for the high-side MOSFET (VBOOT-VSW = 4.5-5.5V recommended)."+      },+      {+        "number": "8",+        "name": "VIN",+        "type": "power_in",+        "description": "Power-supply input for the switching regulator. Recommended operating range 4.5V to 18V (20V absolute max). Bypass to GND with 20µF (10µF×2) plus 0.1µF ceramic capacitors close to the pin."+      },+      {+        "number": "9",+        "name": "FIN",+        "type": "power_in",+        "description": "Exposed backside heat-dissipation pad. Connect to the internal PCB ground plane with multiple thermal vias for good heat dissipation. Electrically tied to GND."+      }+    ],+    "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"+    }   }-}\ No newline at end of file+}