component
CN3125
Public Made by Adomby adom
ShangHai Consonance Elec Battery Management, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+122−8@@ -1,13 +1,132 @@ {+ "schema_version": 1,+ "type": "component", "slug": "cn3125",+ "title": "CN3125",+ "brief": "ShangHai Consonance Elec Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "ShangHai Consonance Elec Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "cn3125" ],+ "component": {+ "mpn": "CN3125",+ "manufacturer": "ShangHai Consonance Elec",+ "package": "ESOP-8",+ "pin_count": 9,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bbc335548944dc2a0f0c95095e91329d.pdf",+ "parts": {+ "symbol": "cn3125.kicad_sym",+ "footprint": "cn3125.kicad_mod",+ "model_3d": "cn3125.glb",+ "model_3d_step": "cn3125.step",+ "lbr": "cn3125.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "CE",+ "type": "input",+ "description": "Chip Enable. A logic high enables normal operation; pulling CE low puts the CN3125 into disable mode and the whole device is turned off. TTL/CMOS compatible (VCEH >= 2.2V, VCEL <= 0.7V)."+ },+ {+ "number": "2",+ "name": "ISET",+ "type": "passive",+ "description": "Constant charge current setting and charge current monitor pin. Charge current is programmed by a resistor R_ISET from this pin to GND; V_ISET is regulated to 1.205V in constant-current mode. Charge current: ICH = (V_ISET / R_ISET) x 986."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Ground terminal."+ },+ {+ "number": "4",+ "name": "VIN",+ "type": "power_in",+ "description": "Positive input supply voltage (2.7V to 6V, absolute max 6.5V). Powers internal circuitry and the on-chip P-channel power MOSFET. When VIN drops within 10mV of the TOP pin voltage, the part enters low-power sleep mode (TOP/MID current < 3uA)."+ },+ {+ "number": "5",+ "name": "TOP",+ "type": "power_out",+ "description": "Positive terminal connection to the top supercapacitor. Charge current is delivered from this pin. For 2-cell configuration, connect to the positive terminal of the top supercap; for single-cell, tie the single supercap between TOP and GND. Continuous short-circuit tolerant."+ },+ {+ "number": "6",+ "name": "MID",+ "type": "bidirectional",+ "description": "Middle connection of the 2 supercapacitors. The negative terminal of the top supercap and the positive terminal of the bottom supercap connect here. Sources/sinks active cell-balancing shunt current (I_SHTOP up to ~55mA typ, I_SHBOT up to ~50mA typ). Continuous short-circuit tolerant."+ },+ {+ "number": "7",+ "name": "PG",+ "type": "output",+ "description": "Open-drain Power Good output (active-low, /PG). Pulls low when the supercapacitor voltage rises above ~94.1% of the final regulated voltage set at FB, and returns to high-impedance when it falls below ~90%. High-impedance when disabled or in sleep mode. Sink current up to 10mA at V_PG = 0.3V."+ },+ {+ "number": "8",+ "name": "FB",+ "type": "input",+ "description": "Supercapacitor voltage feedback pin. The constant-voltage regulation point is set by an external resistor divider tied from TOP (or MID for single-cell) to FB to GND; internal reference V_REGFB = 1.205V (1.193-1.217V). Leakage +/-100nA max."+ },+ {+ "number": "9",+ "name": "EP",+ "type": "power_in",+ "description": "Exposed thermal pad on the underside of the eSOP-8 package. Must be soldered to the GND plane for proper electrical grounding and heat dissipation."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/bbc335548944dc2a0f0c95095e91329d.pdf",+ "pages": 11,+ "sha256": "01642d3ae17a657f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 9,+ "described": 9,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "ShangHai Consonance Elec",+ "Package": "ESOP-8",+ "Category": "PMIC",+ "Pins": "9"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "cn3125"+ ],+ "discovery_pitch": "CN3125 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +144,5 @@ "docs/cn3125-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }