component
LGS63040EP
Public Made by Adomby adom
Legend Si LED Drivers, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -38,6 +38,20 @@ LGS63040EP from Legend Si, in a ESOP-8. Pinout and pin descriptions extracted fr - Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm` - 3D model: ESOP-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`lgs63040ep.step`](lgs63040ep.step) | 193 KB | You want the bare part, or you mark your own boards. |+| [`lgs63040ep-etched.step`](lgs63040ep-etched.step) | 2.0 MB | You want the part with `LGS63040EP` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 504 faces against 63 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:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "lgs63040ep",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Legend Si LED Drivers, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+11−8@@ -4,7 +4,7 @@ "slug": "lgs63040ep", "title": "LGS63040EP", "brief": "Legend Si LED Drivers, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -46,7 +46,7 @@ "number": "3", "name": "SW", "type": "power_out",- "description": "Internal power switch node (drain of the 350m\u03a9 low-side NMOS, RDS(on) typ 350m\u03a9). Externally connected to power inductor and Schottky diode. Peak current limit ~1.7A typ. Pins 3 and 4 are internally tied and must both connect to the switching node."+ "description": "Internal power switch node (drain of the 350mΩ low-side NMOS, RDS(on) typ 350mΩ). Externally connected to power inductor and Schottky diode. Peak current limit ~1.7A typ. Pins 3 and 4 are internally tied and must both connect to the switching node." }, { "number": "4",@@ -64,25 +64,25 @@ "number": "6", "name": "CSN", "type": "input",- "description": "LED current-sense (sampling) pin. Connect to the low side of external sampling resistor RSENCE. Regulation loop forces V(VIN)\u2212V(CSN) \u2248 0.2V typ (0.195-0.205V), giving IOUT = (V(VIN)\u2212V(CSN))/RSENCE."+ "description": "LED current-sense (sampling) pin. Connect to the low side of external sampling resistor RSENCE. Regulation loop forces V(VIN)−V(CSN) ≈ 0.2V typ (0.195-0.205V), giving IOUT = (V(VIN)−V(CSN))/RSENCE." }, { "number": "7", "name": "OVP", "type": "input",- "description": "Output overvoltage-protection sense pin. Tie to a resistor divider from the output (RH/RL); OVP triggers at 1.0V typ (recovery 0.9V). Absolute max \u22120.3V to 6V. Used in boost/lift applications to protect against open-LED faults; VOUT_OVP = (1 + RH/RL) \u00d7 1.0V."+ "description": "Output overvoltage-protection sense pin. Tie to a resistor divider from the output (RH/RL); OVP triggers at 1.0V typ (recovery 0.9V). Absolute max −0.3V to 6V. Used in boost/lift applications to protect against open-LED faults; VOUT_OVP = (1 + RH/RL) × 1.0V." }, { "number": "8", "name": "EN", "type": "input",- "description": "Enable / dimming input. Rising threshold >0.5V enables the output, falling <0.4V shuts the chip down (IS ~10\u00b5A). Analog dimming range 0.6-1.2V on LGS63040 sets LED current proportionally; above 1.2V (up to 6V max) gives 100% current. Internal ~800k\u03a9 pull-down; do not leave floating. IEN typ 5\u00b5A at VEN=5V."+ "description": "Enable / dimming input. Rising threshold >0.5V enables the output, falling <0.4V shuts the chip down (IS ~10µA). Analog dimming range 0.6-1.2V on LGS63040 sets LED current proportionally; above 1.2V (up to 6V max) gives 100% current. Internal ~800kΩ pull-down; do not leave floating. IEN typ 5µA at VEN=5V." }, { "number": "9", "name": "GND", "type": "power_in",- "description": "Exposed thermal pad on package bottom, internally connected to GND. Must be soldered to the PCB ground plane for thermal dissipation (\u03b8JB \u2248 33.2\u00b0C/W, \u03b8JA \u2248 173\u00b0C/W).",+ "description": "Exposed thermal pad on package bottom, internally connected to GND. Must be soldered to the PCB ground plane for thermal dissipation (θJB ≈ 33.2°C/W, θJA ≈ 173°C/W).", "source": "renumbered-to-footprint-pad" } ],@@ -157,6 +157,9 @@ "docs/hero.png", "docs/lgs63040ep-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "Legend Si LED Drivers, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }