component
EUP3484DIR1
Public Made by Adomby adom
Eutech Microelectronics DC-DC Converters, SOIC-8-EP. 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
+310−7
eup3484dir1.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="EUP3484DIR1">
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/eup3484dir1-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": "eup3484dir1",+ "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm",+ "generated_from": {+ "footprint": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm@sha256:a7971720bdda0353",+ "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_EP2.29x3mm@sha256:a7971720bdda0353"+ },+ "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": "BS",+ "type": "passive",+ "description": "High-Side Gate Drive Boost Input. Supplies drive for the high-side N-Channel DMOS switch. Connect a 0.01μF (10nF) or greater bootstrap capacitor from SW to BS to power the high-side switch. Absolute maximum: VSW-0.3V to VSW+6V.",+ "is_pin1": true,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": "IN",+ "type": "power_in",+ "description": "Input Supply Pin. Supplies power to the IC and to the step-down converter switches. Drive IN with a 4.5V to 30V power source (abs max 35V). Bypass to GND with a suitably large capacitor to minimize input ripple.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": "Power Switching Output. Connect the output LC filter (inductor to output capacitor) from SW to the load. Switch voltage range -1V to VIN+0.3V.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": "GND",+ "type": "power_in",+ "description": "Ground. Must be connected to the exposed thermal pad for proper operation. Connect the thermal pad to the PCB ground plane using multiple vias for good thermal performance.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": "FB",+ "type": "input",+ "description": "Output Feedback Input. Senses and regulates the output voltage. Drive FB with a resistive voltage divider from the output; feedback threshold is 0.925V (typ). VOUT = 0.925 × (R1+R2)/R2.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": "COMP",+ "type": "output",+ "description": "Loop Compensation Input/Error-Amplifier Output. Connect a series RC network from COMP to GND to compensate the regulation control loop.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": "EN",+ "type": "input",+ "description": "Enable Input. Logic input controlling on/off. Drive high to turn on, low to turn off. Do not leave floating; directly connect to IN (or through a resistance) for automatic startup. Disable threshold typ 1.5V; lockout threshold typ 2.5V; abs max -0.3V to 35V.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": "SS",+ "type": "passive",+ "description": "Soft-Start Control Input. Connect an external capacitor (e.g. 0.1μF) to program the soft-start ramp; charge current is typ 6μA. Leave open to use the internal soft-start function.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.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": [+ 2.29,+ 3.0+ ],+ "layers": [],+ "thermal": true,+ "pin": "9",+ "name": "GND (Exposed Pad)",+ "type": "power_in",+ "description": "Exposed thermal pad on package underside. Electrically tied to GND (pin 4). Must be soldered to the PCB ground plane with multiple thermal vias for proper thermal and electrical performance (θJA ≈ 60°C/W).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}
page.json+15−4@@ -32,7 +32,7 @@ "number": "1", "name": "BS", "type": "passive",- "description": "High-Side Gate Drive Boost Input. Supplies drive for the high-side N-Channel DMOS switch. Connect a 0.01\u03bcF (10nF) or greater bootstrap capacitor from SW to BS to power the high-side switch. Absolute maximum: VSW-0.3V to VSW+6V."+ "description": "High-Side Gate Drive Boost Input. Supplies drive for the high-side N-Channel DMOS switch. Connect a 0.01μF (10nF) or greater bootstrap capacitor from SW to BS to power the high-side switch. Absolute maximum: VSW-0.3V to VSW+6V." }, { "number": "2",@@ -56,7 +56,7 @@ "number": "5", "name": "FB", "type": "input",- "description": "Output Feedback Input. Senses and regulates the output voltage. Drive FB with a resistive voltage divider from the output; feedback threshold is 0.925V (typ). VOUT = 0.925 \u00d7 (R1+R2)/R2."+ "description": "Output Feedback Input. Senses and regulates the output voltage. Drive FB with a resistive voltage divider from the output; feedback threshold is 0.925V (typ). VOUT = 0.925 × (R1+R2)/R2." }, { "number": "6",@@ -74,13 +74,13 @@ "number": "8", "name": "SS", "type": "passive",- "description": "Soft-Start Control Input. Connect an external capacitor (e.g. 0.1\u03bcF) to program the soft-start ramp; charge current is typ 6\u03bcA. Leave open to use the internal soft-start function."+ "description": "Soft-Start Control Input. Connect an external capacitor (e.g. 0.1μF) to program the soft-start ramp; charge current is typ 6μA. Leave open to use the internal soft-start function." }, { "number": "9", "name": "GND (Exposed Pad)", "type": "power_in",- "description": "Exposed thermal pad on package underside. Electrically tied to GND (pin 4). Must be soldered to the PCB ground plane with multiple thermal vias for proper thermal and electrical performance (\u03b8JA \u2248 60\u00b0C/W)."+ "description": "Exposed thermal pad on package underside. Electrically tied to GND (pin 4). Must be soldered to the PCB ground plane with multiple thermal vias for proper thermal and electrical performance (θJA ≈ 60°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_EP2.29x3mm@sha256:a7971720bdda0353",+ "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' y1='-2.465' x2='-2.060' y2='-2.560' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-2.060' y1='2.560' x2='-2.060' y2='2.465' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.060' y1='-2.560' x2='2.060' y2='-2.465' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.060' y1='2.465' x2='2.060' y2='2.560' stroke='#d8b4fe' stroke-width='0.120'/><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-courtyard' x1='-3.700' y1='-2.460' x2='-2.200' y2='-2.460' 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='-2.200' y1='-2.700' x2='2.200' y2='-2.700' 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='2.460' 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='1' data-name='BS' 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='IN' 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='GND' 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='FB' 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='COMP' 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' data-num='7' data-name='EN' x='1.500' 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'>7</text><rect class='ly-copper pad' data-num='8' data-name='SS' x='1.500' 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'>8</text></svg></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' y1='-2.465' x2='-2.060' y2='-2.560' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-2.060' y1='2.560' x2='-2.060' y2='2.465' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.060' y1='-2.560' x2='2.060' y2='-2.465' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.060' y1='2.465' x2='2.060' y2='2.560' stroke='#d8b4fe' stroke-width='0.120'/><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-courtyard' x1='-3.700' y1='-2.460' x2='-2.200' y2='-2.460' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' 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