component
CN3703
Public Made by Adomby adom
ShangHai Consonance Elec Battery Management, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+164−8@@ -1,13 +1,174 @@ {+ "schema_version": 1,+ "type": "component", "slug": "cn3703",+ "title": "CN3703",+ "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", "cn3703" ],+ "component": {+ "mpn": "CN3703",+ "manufacturer": "ShangHai Consonance Elec",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "PMIC",+ "subcategory": "Battery Management",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dbebbd5ac1b14c4a934b4085494234bb.pdf",+ "parts": {+ "symbol": "cn3703.kicad_sym",+ "footprint": "cn3703.kicad_mod",+ "model_3d": "cn3703.glb",+ "model_3d_step": "cn3703.step",+ "lbr": "cn3703.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VG",+ "type": "power_out",+ "description": "Internal voltage regulator output. Supplies power to the internal gate-drive circuitry. Connect a 100 nF ceramic capacitor between VG and VCC."+ },+ {+ "number": "2",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground return for the high-current gate-drive circuitry."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground reference for the internal control circuitry."+ },+ {+ "number": "4",+ "name": "CHRG",+ "type": "output",+ "description": "Open-drain charge-status output (active-low). Internal transistor pulls this pin low while charging; high-impedance otherwise. Sink current typ. 12 mA at V_CHRG=1V; leakage <1 uA at 25V."+ },+ {+ "number": "5",+ "name": "DONE",+ "type": "output",+ "description": "Open-drain end-of-charge status output (active-low). Internal transistor pulls this pin low when charging terminates; high-impedance otherwise. Sink current typ. 12 mA at V_DONE=1V; leakage <1 uA at 25V."+ },+ {+ "number": "6",+ "name": "TEMP",+ "type": "input",+ "description": "Battery temperature-sense input. Connect an NTC thermistor (10 k\u03a9 at 25\u00b0C) between TEMP and GND. Internal 50 uA pull-up; upper threshold 1.61 V, lower threshold 0.175 V."+ },+ {+ "number": "7",+ "name": "EOC",+ "type": "input",+ "description": "End-of-charge current programming input. Connect a resistor R_ext from EOC to GND (or short to GND) to set the termination current: I_EOC = 1.278\u00d7(14350+R_ext)/(R_CS\u00d71e6). R_ext must be \u2264100 k\u03a9."+ },+ {+ "number": "8",+ "name": "COM1",+ "type": "passive",+ "description": "Loop compensation input 1. Connect a 470 pF capacitor between COM1 and GND."+ },+ {+ "number": "9",+ "name": "COM2",+ "type": "passive",+ "description": "Loop compensation input 2. Connect a 120 \u03a9 resistor in series with a 220 nF capacitor between COM2 and GND."+ },+ {+ "number": "10",+ "name": "test",+ "type": "input",+ "description": "Test pin. Must be tied to GND in normal operation."+ },+ {+ "number": "11",+ "name": "COM3",+ "type": "passive",+ "description": "Loop compensation input 3. Connect a 100 nF capacitor between COM3 and GND. Absolute max voltage to GND is 6.5 V."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "13",+ "name": "CSP",+ "type": "input",+ "description": "Charge-current sense positive input. Together with BAT, senses the voltage across the external current-sense resistor R_CS to regulate the charging current (V_CS = 200 mV typ; I_CH = 200 mV / R_CS)."+ },+ {+ "number": "14",+ "name": "BAT",+ "type": "input",+ "description": "Battery voltage-sense input and current-sense negative input. Internal precision resistor divider and reference set the 12.6 V constant-voltage float level. Also serves as the return for the CSP current-sense measurement."+ },+ {+ "number": "15",+ "name": "VCC",+ "type": "power_in",+ "description": "External supply input (7.5-28 V) and also the internal circuit's supply rail. Decouple to GND with a bulk/filter capacitor. UVLO threshold ~6 V typical."+ },+ {+ "number": "16",+ "name": "DRV",+ "type": "output",+ "description": "Gate-drive output for the external P-channel power MOSFET. Referenced to VCC: V_H \u2248 VCC\u221260 mV (I=\u221210 mA), V_L \u2248 VCC\u22126.5 V (I=0 mA). PWM switching frequency 300 kHz typ, max duty 94%."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/dbebbd5ac1b14c4a934b4085494234bb.pdf",+ "pages": 11,+ "sha256": "86648ccf3673c5c3",+ "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": [+ "cn3703"+ ],+ "discovery_pitch": "CN3703 (ShangHai Consonance Elec) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +186,5 @@ "docs/cn3703-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }