component
LGS63040EP
Public Made by Adomby adom
Legend Si LED Drivers, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
5 files changed
+311−8
lgs63040ep.lbr+1−1@@ -71,7 +71,7 @@ <wire x1="2.0600" y1="-2.5600" x2="-2.0600" y2="-2.5600" width="0.1200" layer="21"/> <text x="0" y="3.480" size="1.27" layer="25" align="bottom-center">>NAME</text> <text x="0" y="-3.480" size="1.27" layer="27" align="top-center">>VALUE</text>-</package>+<!--adom-pin1--><polygon width="0.0500" layer="21"><vertex x="-2.6000" y="2.4700"/><vertex x="-2.8400" y="2.8000"/><vertex x="-2.3600" y="2.8000"/></polygon></package> </packages> <symbols> <symbol name="LGS63040EP">
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/lgs63040ep-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+291@@ -0,0 +1,291 @@+{+ "schema": "adom.pads/1",+ "slug": "lgs63040ep",+ "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm",+ "generated_from": {+ "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.475,+ -1.905+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e"+ },+ "pad_count": 9,+ "paste_apertures": 4,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No external component required. Recommended to be grounded.",+ "is_pin1": true,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin. Return for power switch and control circuitry.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "SW",+ "type": "power_out",+ "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.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "SW",+ "type": "power_out",+ "description": "Internal power switch node (second SW pin, internally tied to pin 3). Connect together with pin 3 to the inductor/Schottky junction.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "5",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "VIN/OUT",+ "type": "power_in",+ "description": "Combined output-voltage sense / input-voltage supply pin (3.0-60V operating range, 60V absolute max). Acts as VIN in boost/lift topologies and as the output-voltage sense point in buck topologies; connects to the top of the RSENCE current-sense resistor.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "6",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "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)−V(CSN) ≈ 0.2V typ (0.195-0.205V), giving IOUT = (V(VIN)−V(CSN))/RSENCE.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "7",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "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 −0.3V to 6V. Used in boost/lift applications to protect against open-LED faults; VOUT_OVP = (1 + RH/RL) × 1.0V.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "8",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "8",+ "name": "EN",+ "type": "input",+ "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.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "9",+ "kind": "smd",+ "shape": "rect",+ "at": [+ 0.0,+ 0.0+ ],+ "rot": 0.0,+ "size": [+ 2.41,+ 3.3+ ],+ "layers": [],+ "thermal": true,+ "pin": "EP",+ "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 (θJB ≈ 33.2°C/W, θJA ≈ 173°C/W).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm.kicad_mod",+ "meaning": null,+ "correspondence": "derived: sole unmatched pin \"EP\" to sole thermal pad \"9\""+ }+ }+ ]+}
page.json+16−5@@ -44,7 +44,7 @@ "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",@@ -62,25 +62,25 @@ "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": "EP", "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)." } ], "provenance": {@@ -102,6 +102,17 @@ "viewers": { "symbol": "viewers/symbol.html", "footprint": "viewers/footprint.html"+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.475,+ -1.905+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",+ "mark": "drawn" } }, "metadata": {
viewers/footprint.html+1−1@@ -23,7 +23,7 @@ rect.pad.hi{stroke:var(--hi);stroke-width:.15;paint-order:stroke} #tip .td{font-size:11px;color:var(--ink);margin-top:5px;line-height:1.4} </style></head><body> <div class=bar><span class=h>PCB footprint</span><span class=sp></span><button class="lyrtog on" data-lyr="copper"><span class="d" style="background:#e35d5d"></span>Copper</button><button class="lyrtog on" data-lyr="silk"><span class="d" style="background:#e6edf3"></span>Silkscreen</button><button class="lyrtog" data-lyr="fab"><span class="d" style="background:#8b949e"></span>Fab</button><button class="lyrtog" data-lyr="courtyard"><span class="d" style="background:#bc8cff"></span>Courtyard</button></div>-<div class=stage id=stage><svg xmlns='http://www.w3.org/2000/svg' viewBox='-4.100 -3.100 8.200 6.200' style='width:100%;height:100%'><line class='ly-silk' x1='-2.060' y1='-2.560' x2='2.060' y2='-2.560' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-2.060' 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y1='2.460' x2='-3.700' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-2.200' y1='2.700' x2='-2.200' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='-2.700' x2='2.200' y2='-2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='-2.460' x2='3.700' y2='-2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='2.460' x2='2.200' y2='2.700' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='2.200' y1='2.700' x2='-2.200' y2='2.700' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.700' y1='-2.460' x2='3.700' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.700' y1='2.460' x2='2.200' y2='2.460' stroke='#4ade80' stroke-width='0.050'/><rect class='ly-copper pad' data-num='' data-name='' x='-1.085' y='-1.490' width='0.970' height='1.330' rx='0.242' fill='#f59e0b' stroke='#00000033' 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fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'></text><rect class='ly-copper pad' data-num='' data-name='' x='0.115' y='0.160' width='0.970' height='1.330' rx='0.242' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='0.600' y='0.825' font-size='0.582' transform='rotate(-90 0.600 0.825)' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'></text><rect class='ly-copper pad' data-num='1' data-name='NC' x='-3.450' y='-2.205' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='-1.905' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>1</text><rect class='ly-copper pad' data-num='2' data-name='GND' x='-3.450' y='-0.935' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='-0.635' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>2</text><rect class='ly-copper pad' data-num='3' data-name='SW' x='-3.450' y='0.335' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='0.635' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>3</text><rect class='ly-copper pad' data-num='4' data-name='SW' x='-3.450' y='1.605' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.475' y='1.905' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>4</text><rect class='ly-copper pad' data-num='5' data-name='VIN/OUT' x='1.500' y='1.605' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.475' y='1.905' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>5</text><rect class='ly-copper pad' data-num='6' data-name='CSN' x='1.500' y='0.335' width='1.950' height='0.600' rx='0.150' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.475' y='0.635' font-size='0.360' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>6</text><rect class='ly-copper pad' 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