component
LGS63040B5
Public Made by Adomby adom
Legend Si LED Drivers, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -34,6 +34,20 @@ LGS63040B5 from Legend Si, in a SOT-23-5. Pinout and pin descriptions extracted - Footprint: `Package_TO_SOT_SMD:SOT-23-5` - 3D model: SOT-23-5 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`lgs63040b5.step`](lgs63040b5.step) | 85 KB | You want the bare part, or you mark your own boards. |+| [`lgs63040b5-etched.step`](lgs63040b5-etched.step) | 2.4 MB | You want the part with `LGS63040B5` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 566 faces against 102 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": "lgs63040b5",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Legend Si LED Drivers, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+9−9@@ -4,7 +4,7 @@ "slug": "lgs63040b5", "title": "LGS63040B5", "brief": "Legend Si LED Drivers, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,7 +34,7 @@ "number": "1", "name": "SW", "type": "output",- "description": "Internal power switch node (drain of the 350m\u03a9 low-side NMOS). Externally connected to the power inductor and Schottky freewheeling diode. High dv/dt node - keep copper area small to limit EMI."+ "description": "Internal power switch node (drain of the 350mΩ low-side NMOS). Externally connected to the power inductor and Schottky freewheeling diode. High dv/dt node - keep copper area small to limit EMI." }, { "number": "2",@@ -46,19 +46,19 @@ "number": "3", "name": "EN", "type": "input",- "description": "Enable / dimming input. Digital high (>0.5V) enables the regulator; low (<0.4V) shuts it down. On LGS63040 accepts an analog voltage 0.6V-1.2V for analog dimming of LED current; on LGS63042 accepts a 100Hz-100kHz PWM square wave for PWM dimming. Internal 800k\u03a9 pull-down; do not leave floating. Absolute max 6V."+ "description": "Enable / dimming input. Digital high (>0.5V) enables the regulator; low (<0.4V) shuts it down. On LGS63040 accepts an analog voltage 0.6V-1.2V for analog dimming of LED current; on LGS63042 accepts a 100Hz-100kHz PWM square wave for PWM dimming. Internal 800kΩ pull-down; do not leave floating. Absolute max 6V." }, { "number": "4", "name": "CSN", "type": "input",- "description": "LED current sense input. Connect to the LED-side node of the external sampling resistor R_Sence. Output current is set by I_OUT = (V_OUT(VIN) \u2212 V_CSN) / R_Sence, with typical V_OUT\u2212V_CSN = 0.2V (0.195V-0.205V). High-impedance node - route short and away from SW."+ "description": "LED current sense input. Connect to the LED-side node of the external sampling resistor R_Sence. Output current is set by I_OUT = (V_OUT(VIN) − V_CSN) / R_Sence, with typical V_OUT−V_CSN = 0.2V (0.195V-0.205V). High-impedance node - route short and away from SW." }, { "number": "5", "name": "VIN/OUT", "type": "power_in",- "description": "Combined input supply pin and output-voltage sense point. Also the VIN-side terminal of the external LED current sampling resistor R_Sence. Serves as input-voltage detection in buck mode and as output-voltage connection in boost / buck-boost mode. Operating range 3.0V-60V (abs max 60V). Bypass with 4.7\u00b5F/100V X7R or X5R ceramic near the pin."+ "description": "Combined input supply pin and output-voltage sense point. Also the VIN-side terminal of the external LED current sampling resistor R_Sence. Serves as input-voltage detection in buck mode and as output-voltage connection in boost / buck-boost mode. Operating range 3.0V-60V (abs max 60V). Bypass with 4.7µF/100V X7R or X5R ceramic near the pin." } ], "provenance": {@@ -132,9 +132,9 @@ "docs/hero.png", "docs/lgs63040b5-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Legend Si LED Drivers, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D." }