component
CN3717
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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": "cn3717",+ "title": "CN3717",+ "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", "cn3717" ],+ "component": {+ "mpn": "CN3717",+ "manufacturer": "ShangHai Consonance Elec",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b85fb3af0deb4951a4ac0b7ff4444671.pdf",+ "parts": {+ "symbol": "cn3717.kicad_sym",+ "footprint": "cn3717.kicad_mod",+ "model_3d": "cn3717.glb",+ "model_3d_step": "cn3717.step",+ "lbr": "cn3717.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VG",+ "type": "power_out",+ "description": "Internal LDO regulator output that supplies the internal driver circuitry. Connect a 100nF capacitor between VG and VCC."+ },+ {+ "number": "2",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return for the gate-driver and high-current internal paths."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Analog signal ground for the internal reference, control and sensing circuitry."+ },+ {+ "number": "4",+ "name": "CHRG",+ "type": "output",+ "description": "Open-drain charge status output (active-low, bar-CHRG). Pulled low during trickle, constant-current and over-charge states; high-impedance otherwise. Sinks 7-18mA (typ 12mA) at VCHRG=1V; leakage <=1uA at 25V."+ },+ {+ "number": "5",+ "name": "DONE",+ "type": "output",+ "description": "Open-drain end-of-charge status output (active-low, bar-DONE). Pulled low in float-charge state, high-impedance otherwise. Sinks 7-18mA (typ 12mA) at VDONE=1V; leakage <=1uA at 25V."+ },+ {+ "number": "6",+ "name": "TEMP",+ "type": "input",+ "description": "Battery-temperature sense input. Connect an NTC thermistor (approx 10k at 25C) from TEMP to GND. Internal ~50uA pull-up; comparator thresholds Vthh=1.61V (typ) and Vthl=0.175V (typ) define allowed temperature window. Temperature-abnormal shutdown only active during trickle, constant-current and over-charge phases."+ },+ {+ "number": "7",+ "name": "EOC",+ "type": "input",+ "description": "End-of-charge current program input. Connect directly to GND or through an external resistor Rext (<=100k) to set the over-charge termination current: IEOC = 1.278*(14350+Rext) / (RCS*1e6). IEOC/ICH ranges from 10.5% (Rext=0) to 83.5% (Rext=100k)."+ },+ {+ "number": "8",+ "name": "COM1",+ "type": "passive",+ "description": "Loop compensation input 1. Connect a 470pF ceramic capacitor from COM1 to GND for control-loop stability."+ },+ {+ "number": "9",+ "name": "COM2",+ "type": "passive",+ "description": "Loop compensation input 2. Connect a 120 ohm resistor in series with a 220nF ceramic capacitor from COM2 to GND."+ },+ {+ "number": "10",+ "name": "FB",+ "type": "input",+ "description": "Battery-voltage feedback input. External resistor divider (R6/R7) from BAT to FB to GND sets the over-charge and float voltages: VBAT = 3.69*(1+R7/R6) + IB*R7, with IB (FB bias current) approx 40nA typ (260nA max). Max settable over-charge voltage 25V."+ },+ {+ "number": "11",+ "name": "COM3",+ "type": "passive",+ "description": "Loop compensation input 3. Connect a 100nF capacitor from COM3 to GND. Absolute max voltage on COM3 to GND is 6.5V."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "13",+ "name": "CSP",+ "type": "input",+ "description": "Positive input of the charge-current sense amplifier. Measures the voltage across the current-sense resistor RCS placed between CSP and BAT; feeds the internal current regulation loop. Constant-current threshold VCS(CSP-BAT) = 120mV typ (113-127mV); trickle-mode threshold 23mV typ. Absolute max 28V."+ },+ {+ "number": "14",+ "name": "BAT",+ "type": "input",+ "description": "Negative input of the charge-current sense amplifier and battery-terminal connection. Measures VRCS together with CSP; typical DC current into pin approx 10uA (VBAT=12V). Absolute max 28V."+ },+ {+ "number": "15",+ "name": "VCC",+ "type": "power_in",+ "description": "Main supply / external power input, also the supply for internal circuitry. Operating range 7.5V to 28V; UVLO rising threshold 4.2-7.3V (typ 6V). Requires a local filter/bulk capacitor to GND."+ },+ {+ "number": "16",+ "name": "DRV",+ "type": "output",+ "description": "Gate-drive output for the external P-channel MOSFET. VH = VCC-60mV (at IDRV=-10mA); VL = VCC-6.5V typ (5-8V) at IDRV=0. Rise/fall times ~40ns typ into 2nF load. Internal clamp keeps VCC-VDRV below 8V max so low-Vgs P-MOSFETs may be used."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/b85fb3af0deb4951a4ac0b7ff4444671.pdf",+ "pages": 11,+ "sha256": "6a59b77def44b583",+ "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": [+ "cn3717"+ ],+ "discovery_pitch": "CN3717 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +186,5 @@ "docs/cn3717-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }