component
al3353s-13
Public Made by Adomby adom
Diodes Incorporated LED Drivers, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
← Commit history
al3353s-13: restore the component block (pinout + model declarations) from this page's own README and symbol
1 file changed
+74−1
page.json+74−1@@ -33,5 +33,78 @@ "author": { "name": "Ray", "email": "[email protected]"+ },+ "component": {+ "mpn": "AL3353S-13",+ "manufacturer": "Diodes Incorporated",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "LED Drivers",+ "parts": {+ "symbol": "al3353s-13.kicad_sym",+ "footprint": "al3353s-13.kicad_mod",+ "model_3d": "al3353s-13-etched.glb",+ "model_3d_plain": "al3353s-13.glb",+ "model_3d_step": "al3353s-13-etched.step",+ "model_3d_step_plain": "al3353s-13.step",+ "lbr": "al3353s-13.lbr"+ },+ "pins": [+ {+ "number": "1",+ "name": "VIN",+ "type": "power_in",+ "description": "Power supply input. Operating range 9 V to 40 V (absolute max 43 V). Internally supplies the 5 V LDO and gate driver; UVLO turn-on 8.3 V typ with 800 mV hysteresis. A decoupling capacitor should be placed close to this pin."+ },+ {+ "number": "2",+ "name": "GATE",+ "type": "output",+ "description": "Gate drive output for the external boost power N-MOSFET. Typical output amplitude ~13 V at VIN = 24 V, with ~40 ns rise / ~20 ns fall into 1 nF. Absolute max −0.3 V to 43 V."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground / return for the internal analog, logic, and gate-driver circuits. Tie to the system ground plane; grounds of the OVP divider and compensation network should return here."+ },+ {+ "number": "4",+ "name": "CS",+ "type": "input",+ "description": "Current-sense input from the MOSFET source resistor for peak-current-mode control. Cycle-by-cycle OCP threshold ≈500 mV (typ, at 90% duty); diode/inductor short protection latches if CS exceeds ~1.2 V for 17 consecutive cycles. Absolute max −0.3 V to 7 V. An external slope-compensation resistor RSL can be inserted in this path."+ },+ {+ "number": "5",+ "name": "FB",+ "type": "input",+ "description": "LED current feedback input to the error amplifier. Regulates the voltage across the external LED-current sense resistor to VFB = 400 mV ±1.5 % (394/400/406 mV). Absolute max −0.3 V to 7 V; ILED[mA] ≈ 400 mV·DUTY / RFB."+ },+ {+ "number": "6",+ "name": "COMP",+ "type": "output",+ "description": "Boost converter loop compensation node - output of the internal gm error amplifier (gm ≈ 100 µA/V, Isource 30 µA / Isink 60 µA). Connect an external RC network to GND close to the pin. Latches GATE off if VCOMP > 3.2 V for 37 ms (FB-short / LED-cathode-short protection). Absolute max −0.3 V to 7 V."+ },+ {+ "number": "7",+ "name": "OVP",+ "type": "input",+ "description": "Overvoltage-protection sense input from an external resistor divider on the boost output. Triggers OVP at ~2.0 V (VOUT_OVP = (R4+R5)/R5 · 2 V). Also monitors VOUT-short (trips when < ~0.25 V normal / 150 mV at startup). Absolute max −0.3 V to 43 V; protection is latched and cleared via VIN or PWM."+ },+ {+ "number": "8",+ "name": "PWM",+ "type": "input",+ "description": "PWM signal input for analog dimming / enable. Internally pulled to GND via ~220 kΩ. Logic high ≥ 2.5 V enables the device; logic low ≤ 1.2 V for > 20 ms puts it in standby (~130 µA). Supported PWM frequency 5 kHz to 50 kHz; absolute max −0.3 V to 7 V (relaxed to −5 V for <100 ns pulses)."+ }+ ],+ "provenance": {+ "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ } }-}+}