UC2845BD1R2G - Commit

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pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)

Ray ·97e9f7495a ·2mo ago ·parent 924d3d5

5 files changed +290−3

package.json+2−1 pads.json+275 page.json+11 uc2845bd1r2g.lbr+1−1 viewers/footprint.html+1−1

package.json+2−1

@@ -24,6 +24,7 @@     "docs/hero.png",     "docs/uc2845bd1r2g-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ] }\ No newline at end of file

pads.jsonadded+275

@@ -0,0 +1,275 @@+{+ "schema": "adom.pads/1",+ "slug": "uc2845bd1r2g",+ "footprint": "SOIC-8_3.9x4.9mm_P1.27mm",+ "generated_from": {+  "footprint": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",+  "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_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4"+ },+ "pad_count": 8,+ "symbol_pins": [+  "1",+  "2",+  "3",+  "4",+  "5",+  "6",+  "7",+  "8"+ ],+ "paste_apertures": 0,+ "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": "Compensation",+   "type": "output",+   "description": "Error Amplifier output, made available for external loop compensation. Typical output swing is 0.8 V (low) to 6.2 V (high) with RL = 15 kOhm; sinks up to 12 mA, sources up to 1 mA.",+   "is_pin1": true,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.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": "Voltage Feedback",+   "type": "input",+   "description": "Inverting input of the Error Amplifier. Normally connected to the switching power supply output through a resistor divider. Internally biased at 2.5 V; input bias current typically -0.1 uA (max -2 uA).",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.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": "Current Sense",+   "type": "input",+   "description": "Current sense input. A voltage proportional to inductor current is applied here; the PWM uses it to terminate output switch conduction cycle-by-cycle. Internal comparator threshold clamped at 1.0 V typical; current-sense-to-output propagation delay 150 ns typical.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.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": "RT/CT",+   "type": "passive",+   "description": "Oscillator timing pin. Program frequency and maximum output duty cycle by connecting resistor RT from Vref to this pin and capacitor CT from this pin to ground. Oscillator operation down to 1.0 kHz is possible; typical CT swing is 1.2 V to 2.8 V.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.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": "GND",+   "type": "power_in",+   "description": "Combined control-circuitry and power ground return for the 8-pin package.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.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": "Output",+   "type": "output",+   "description": "Totem-pole gate driver output for a power MOSFET. Sources and sinks peak currents up to 1.0 A; switches at one-half the oscillator frequency. VOH ~13.5 V and VOL ~0.1 V at 20 mA; rise/fall time ~50 ns typical into 1.0 nF.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.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": "VCC",+   "type": "power_in",+   "description": "Positive supply for the control IC. Absolute maximum 36 V (Zener clamped at ~36 V, ICC(max) 30 mA). UC2845B UVLO turn-on 8.5 V typical, turn-off 7.6 V typical; startup current ~0.3 mA, operating current ~12 mA typical.",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.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": "Vref",+   "type": "power_out",+   "description": "5.0 V trimmed reference output (4.95 V min, 5.05 V max at IO = 1 mA, 25 degC). Supplies charging current for CT through RT. Short-circuit current typically -85 mA (limited to -180 mA max).",+   "is_pin1": false,+   "source": {+    "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  }+ ]+}\ No newline at end of file

page.json+11

@@ -96,6 +96,17 @@     "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_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",+      "mark": "drawn"     }   },   "metadata": {

uc2845bd1r2g.lbr+1−1

@@ -70,7 +70,7 @@   <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">&gt;NAME</text>   <text x="0" y="-3.480" size="1.27" layer="27" align="top-center">&gt;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="UC2845BD1R2G">

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='Compensation' 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='Voltage Feedback' 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='Current Sense' 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='RT/CT' 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='GND' 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='Output' 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='VCC' 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='Vref' 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' 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='Compensation' 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='Voltage Feedback' 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' 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