CN3722

@@ -40,6 +40,20 @@ CN3722 from ShangHai Consonance Elec, in a TSSOP-16. Pinout and pin descriptions - Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm` - 3D model: TSSOP-16 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`cn3722.step`](cn3722.step) | 205 KB | You want the bare part, or you mark your own boards. |+| [`cn3722-etched.step`](cn3722-etched.step) | 1.8 MB | You want the part with `CN3722` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 453 faces against 255 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance  Data extracted from the manufacturer datasheet, not a distributor listing:

@@ -1,6 +1,6 @@ {   "slug": "cn3722",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "ShangHai Consonance Elec Battery Management, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "cn3722",   "title": "CN3722",   "brief": "ShangHai Consonance Elec Battery Management, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -64,13 +64,13 @@         "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)."+        "description": "Battery temperature sensing input. Connect an NTC thermistor (typ. 10 kΩ) between TEMP and GND. Internal 55 µA 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."+        "description": "Solar panel maximum-power-point tracking input. Regulated to 1.04 V at 25 °C with a −0.4 %/°C 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",@@ -82,7 +82,7 @@         "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."+        "description": "Loop compensation input 2. Connect a 120 Ω resistor in series with a 220 nF capacitor from this pin to GND."       },       {         "number": "10",@@ -106,25 +106,25 @@         "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)."+        "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−BAT) = 200 mV typ (→ 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)."+        "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·V_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."+        "description": "Main supply input for the chip and internal circuitry. Operating range 7.5-28 V; UVLO ≈ 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 %."+        "description": "Gate drive output for the external P-channel MOSFET (buck high-side switch). Referenced to VCC: VH (VCC−DRV) = 60 mV @ −10 mA, VL = 6.5 V typ; ~40 ns rise/fall into 2 nF; f_osc = 300 kHz, D_max = 94 %."       }     ],     "provenance": {@@ -198,9 +198,9 @@     "docs/hero.png",     "docs/cn3722-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "ShangHai Consonance Elec Battery Management, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file