component
CN3705
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ShangHai Consonance Elec Battery Management, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+165−8@@ -1,13 +1,175 @@ {+ "schema_version": 1,+ "type": "component", "slug": "cn3705",+ "title": "CN3705",+ "brief": "ShangHai Consonance Elec Battery Management, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "ShangHai Consonance Elec Battery Management, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "cn3705" ],+ "component": {+ "mpn": "CN3705",+ "manufacturer": "ShangHai Consonance Elec",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/02b404b208964be2a8b4fa5ee7f42f1a.pdf",+ "parts": {+ "symbol": "cn3705.kicad_sym",+ "footprint": "cn3705.kicad_mod",+ "model_3d": "cn3705.glb",+ "model_3d_step": "cn3705.step",+ "lbr": "cn3705.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VG",+ "type": "power_out",+ "description": "Internal LDO regulator output. Provides power to the internal driver circuitry. Connect a 100nF capacitor between VG and VCC."+ },+ {+ "number": "2",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "4",+ "name": "CHRG",+ "type": "output",+ "description": "Open-drain output. Pulled low by an internal transistor while charging; high-impedance otherwise. Typical pull-down current 12mA at VCHRG=1V; leakage <1uA at 25V."+ },+ {+ "number": "5",+ "name": "DONE",+ "type": "output",+ "description": "Open-drain output. Pulled low by an internal transistor when charging is complete; high-impedance otherwise. Typical pull-down current 12mA at VDONE=1V; leakage <1uA at 25V."+ },+ {+ "number": "6",+ "name": "TEMP",+ "type": "input",+ "description": "Battery temperature monitoring input. Connect an NTC thermistor (typ. 10k\u03a9) between this pin and GND. Internal 50uA pull-up; comparator thresholds Vthh=1.61V (rising) and Vthl=0.175V (falling)."+ },+ {+ "number": "7",+ "name": "EOC",+ "type": "input",+ "description": "End-of-charge current setting pin. Connect directly to GND or through a resistor to GND to set the termination current per IEOC = 1.278\u00d7(14350+Rext)/(RCS\u00d710^6). Rext \u2264 100k\u03a9."+ },+ {+ "number": "8",+ "name": "COM1",+ "type": "passive",+ "description": "Loop compensation input 1. Connect a 470pF capacitor between this pin and GND."+ },+ {+ "number": "9",+ "name": "COM2",+ "type": "passive",+ "description": "Loop compensation input 2. Connect a 120\u03a9 resistor in series with a 220nF capacitor between this pin and GND."+ },+ {+ "number": "10",+ "name": "FB",+ "type": "input",+ "description": "Battery voltage feedback input. External resistor divider from the battery sets the CV regulation voltage: VBAT = 2.416\u00d7(1+R7/R6)+IB\u00d7R7. Typical VFB=2.416V, IFB\u224850nA."+ },+ {+ "number": "11",+ "name": "COM3",+ "type": "passive",+ "description": "Loop compensation input 3. Connect a 100nF capacitor between this pin and GND. Absolute max voltage on this pin is 6.5V."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection."+ },+ {+ "number": "13",+ "name": "CSP",+ "type": "input",+ "description": "Positive input of the charge-current sense amplifier. CSP and BAT sense the voltage across the external sense resistor RCS (200mV/RCS sets constant charge current ICH)."+ },+ {+ "number": "14",+ "name": "BAT",+ "type": "input",+ "description": "Negative input of the charge-current sense amplifier and battery terminal sense. CSP and BAT measure the voltage across RCS to regulate charge current."+ },+ {+ "number": "15",+ "name": "VCC",+ "type": "power_in",+ "description": "External supply input and internal circuit power. Operating range 7.5V to 28V; UVLO typ. 6V. Requires a bypass capacitor to GND."+ },+ {+ "number": "16",+ "name": "DRV",+ "type": "output",+ "description": "Gate driver output for external P-channel MOSFET. VH (VCC\u2212VDRV) typ. 60mV at IDRV=\u221210mA; VL typ. 6.5V at IDRV=0mA. Rise/fall time ~40ns into 2nF."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/02b404b208964be2a8b4fa5ee7f42f1a.pdf",+ "pages": 12,+ "sha256": "31298125f291dc5e",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "ShangHai Consonance Elec",+ "Package": "TSSOP-16",+ "Category": "PMIC",+ "Pins": "16"+ }+ },+ "variants": [],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "cn3705"+ ],+ "discovery_pitch": "CN3705 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +187,5 @@ "docs/cn3705-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }