component
CN3722
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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+164−8@@ -1,13 +1,174 @@ {+ "schema_version": 1,+ "type": "component", "slug": "cn3722",+ "title": "CN3722",+ "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", "cn3722" ],+ "component": {+ "mpn": "CN3722",+ "manufacturer": "ShangHai Consonance Elec",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e09b267b1b044776b539c00c1c147bff.pdf",+ "parts": {+ "symbol": "cn3722.kicad_sym",+ "footprint": "cn3722.kicad_mod",+ "model_3d": "cn3722.glb",+ "model_3d_step": "cn3722.step",+ "lbr": "cn3722.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VG",+ "type": "power_out",+ "description": "Internal LDO regulator output that powers the internal gate-driver circuitry. Connect a 100 nF decoupling capacitor between VG and VCC."+ },+ {+ "number": "2",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return for the gate driver."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground reference for the control circuitry."+ },+ {+ "number": "4",+ "name": "CHRG",+ "type": "output",+ "description": "Open-drain charge status indicator (active low). Internal transistor pulls this pin low during trickle-charge, constant-current, and constant-voltage charging; otherwise high-impedance. Rated up to 30 V, sink 12 mA typ."+ },+ {+ "number": "5",+ "name": "DONE",+ "type": "output",+ "description": "Open-drain charge-complete indicator (active low). Internal transistor pulls this pin low when charging ends; otherwise high-impedance. Rated up to 30 V, sink 12 mA typ."+ },+ {+ "number": "6",+ "name": "TEMP",+ "type": "input",+ "description": "Battery temperature sensing input. Connect an NTC thermistor (typ. 10 k\u03a9) between TEMP and GND. Internal 55 \u00b5A pull-up; charging is suspended when temperature is out of range (Vthh 1.61 V / Vthl 0.175 V)."+ },+ {+ "number": "7",+ "name": "MPPT",+ "type": "input",+ "description": "Solar panel maximum-power-point tracking input. Regulated to 1.04 V at 25 \u00b0C with a \u22120.4 %/\u00b0C temperature coefficient to match a Si solar cell's MPP voltage. Requires an external resistor divider from the panel to sense its terminal voltage."+ },+ {+ "number": "8",+ "name": "COM1",+ "type": "passive",+ "description": "Loop compensation input 1. Connect a 470 pF capacitor from this pin to GND."+ },+ {+ "number": "9",+ "name": "COM2",+ "type": "passive",+ "description": "Loop compensation input 2. Connect a 120 \u03a9 resistor in series with a 220 nF capacitor from this pin to GND."+ },+ {+ "number": "10",+ "name": "FB",+ "type": "input",+ "description": "Battery voltage feedback input. Sense the battery voltage through an external resistor divider; the regulator holds this pin at 2.416 V. Bias current ~50 nA typ (300 nA max)."+ },+ {+ "number": "11",+ "name": "COM3",+ "type": "passive",+ "description": "Loop compensation input 3. Connect a 100 nF capacitor from this pin to GND. Absolute max 6.5 V."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection. Leave floating."+ },+ {+ "number": "13",+ "name": "CSP",+ "type": "input",+ "description": "Positive input of the charge-current sense amplifier. CSP and BAT measure the voltage across the sense resistor R_CS to close the current-regulation loop. In CC mode V(CSP\u2212BAT) = 200 mV typ (\u2192 I_chg = 200 mV / R_CS)."+ },+ {+ "number": "14",+ "name": "BAT",+ "type": "input",+ "description": "Negative input of the charge-current sense amplifier and battery-terminal connection. Together with CSP measures V(R_CS) and monitors the battery voltage for over-voltage protection (Vov = 1.08\u00b7V_REG typ)."+ },+ {+ "number": "15",+ "name": "VCC",+ "type": "power_in",+ "description": "Main supply input for the chip and internal circuitry. Operating range 7.5-28 V; UVLO \u2248 6 V. Bypass to GND with a local filter capacitor."+ },+ {+ "number": "16",+ "name": "DRV",+ "type": "output",+ "description": "Gate drive output for the external P-channel MOSFET (buck high-side switch). Referenced to VCC: VH (VCC\u2212DRV) = 60 mV @ \u221210 mA, VL = 6.5 V typ; ~40 ns rise/fall into 2 nF; f_osc = 300 kHz, D_max = 94 %."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/e09b267b1b044776b539c00c1c147bff.pdf",+ "pages": 12,+ "sha256": "311dd6f804ec3a0f",+ "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"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "cn3722"+ ],+ "discovery_pitch": "CN3722 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +186,5 @@ "docs/cn3722-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }