MCP73831

@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "mcp73831",+  "title": "MCP73831",+  "brief": "Microchip single-cell LiPo linear charger, SOT-23-5. 4.20 V, programmable current, integrated pass FET. Datasheet-verified.",   "version": "0.1.0",-  "type": "component",-  "description": "Microchip single-cell LiPo linear charger, SOT-23-5. 4.20 V, programmable current, integrated pass FET. Datasheet-verified.",+  "license": "CC-BY-SA-4.0",   "tags": [     "component",     "battery-charger",@@ -12,6 +15,103 @@     "sot-23-5",     "microchip"   ],+  "component": {+    "mpn": "MCP73831",+    "manufacturer": "Microchip Technology",+    "package": "SOT-23-5",+    "pin_count": 5,+    "category": "Power Management",+    "subcategory": "Li-Ion / LiPo battery charger",+    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf",+    "parts": {+      "symbol": "mcp73831.kicad_sym",+      "footprint": "mcp73831.kicad_mod",+      "model_3d": "mcp73831.glb"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "STAT",+        "type": "tri_state",+        "description": "Charge Status Output. Tri-state logic output on the MCP73831 (open-drain on MCP73832). Drives an indicator LED directly (ISINK up to 25 mA, VOL \u2248 0.4 V at 4 mA; ISOURCE up to 35 mA, VOH \u2265 VDD-1 at 4 mA) or can be pulled up for interfacing to a host microcontroller."+      },+      {+        "number": "2",+        "name": "VSS",+        "type": "power_in",+        "description": "Battery Management 0 V Reference. Connect to the negative terminal of the battery and the input supply return."+      },+      {+        "number": "3",+        "name": "VBAT",+        "type": "power_out",+        "description": "Battery Charge Control Output. Connect to the positive terminal of the single-cell Li-Ion/Li-Polymer battery; this is the drain of the internal P-channel MOSFET pass transistor (RDSON \u2248 350 m\u03a9). Bypass to VSS with a minimum of 4.7 \u00b5F to ensure loop stability when the battery is disconnected. Regulated to VREG (4.20/4.35/4.40/4.50 V option) at \u00b10.75%."+      },+      {+        "number": "4",+        "name": "VDD",+        "type": "power_in",+        "description": "Battery Management Input Supply. Recommended range [VREG(typical) + 0.3 V] to 6 V (absolute max 7 V). Bypass to VSS with a minimum of 4.7 \u00b5F. Supply current is 510 \u00b5A typical while charging."+      },+      {+        "number": "5",+        "name": "PROG",+        "type": "input",+        "description": "Current Regulation Set and Charge Control Enable. A resistor from PROG to VSS programs the preconditioning, fast-charge, and termination currents (RPROG range 2 k\u03a9 to 67 k\u03a9; e.g., 2 k\u03a9 \u2192 505 mA, 10 k\u03a9 \u2192 100 mA, 67 k\u03a9 \u2192 14.5 mA typical). Allowing PROG to float (impedance \u2265 70 k\u03a9, minimum shutdown impedance) disables the charge management controller."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf",+        "pages": 29,+        "sha256": "75297f2a52355993",+        "source_tier": "mfr"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 5,+        "described": 5,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    }+  },+  "metadata": {+    "specs": {+      "Type": "Single-cell Li-Ion/LiPo linear charger",+      "Regulation voltage": "4.20 V (-2 variant)",+      "Charge current": "Programmable via PROG (15-500 mA)",+      "Integrated": "Pass transistor, current sense, reverse-discharge protection",+      "Status": "STAT open-drain (charge LED)",+      "Preconditioning + termination": "Automatic",+      "Package": "SOT-23-5",+      "Body (L\u00d7W\u00d7H)": "2.9 \u00d7 1.6 \u00d7 1.1 mm"+    }+  },+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "mcp73831",+    "lipo charger ic",+    "li-ion battery charger",+    "single cell charger sot-23"+  ],+  "discovery_pitch": "MCP73831 single-cell Li-Ion/LiPo linear battery charger (SOT-23-5) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  },   "dependencies": {},   "hero": {     "type": "image",@@ -27,10 +127,5 @@     "docs/mcp73831-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": "public",-  "author": {-    "name": "Ray",-    "email": "[email protected]"-  }+  ] }\ No newline at end of file