component
CH340N
Public Made by Adomby adom
WCH Jiangsu Qin Heng USB Converters, SOP-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
+417−140
ch340n.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">>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="CH340N">
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/ch340n-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+265@@ -0,0 +1,265 @@+{+ "schema": "adom.pads/1",+ "slug": "ch340n",+ "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,+ "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": "UD+",+ "type": "bidirectional",+ "description": "USB D+ data line. Connect directly to the USB bus D+; do not add a series resistor. Internal pull-up and full USB 2.0 full-speed transceiver are integrated.",+ "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": "UD-",+ "type": "bidirectional",+ "description": "USB D- data line. Connect directly to the USB bus D-; do not add a series resistor.",+ "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": "GND",+ "type": "power_in",+ "description": "Common ground. Connect directly to the USB bus ground.",+ "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": "RTS#",+ "type": "output",+ "description": "MODEM Request-To-Send output, active low (software-controllable polarity). Only MODEM handshake line brought out on the SOP-8 CH340N.",+ "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": "VCC",+ "type": "power_in",+ "description": "Positive supply input. Supports 5V (4.0-5.3V) or 3.3V (3.1-3.6V) operation. Requires a 0.1uF decoupling capacitor. In 3.3V mode, tie VCC to V3 (pin 8).",+ "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": "TXD",+ "type": "output",+ "description": "UART serial data output. Idle-high in normal (non-IrDA) mode. Baud rates 50 bps to 2 Mbps; transmit baud error <1.8% on CH340N (internal oscillator).",+ "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": "RXD",+ "type": "input",+ "description": "UART serial data input. Has software-controllable internal pull-up and pull-down resistors. Should idle high.",+ "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": "V3",+ "type": "power_out",+ "description": "Internal 3.3V regulator node. In 5V operation, connect a 0.1uF decoupling capacitor to GND. In 3.3V operation, tie directly to VCC (pin 5) and feed 3.3V externally.",+ "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"+ }+ }+ ]+}
page.json+148−137@@ -1,142 +1,153 @@ {- "schema_version": 1,- "type": "component",- "slug": "ch340n",- "title": "CH340N",- "brief": "WCH Jiangsu Qin Heng USB Converters, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",- "license": "CC-BY-SA-4.0",- "tags": [- "component",- "interface",- "ch340n"- ],- "component": {- "mpn": "CH340N",- "manufacturer": "WCH Jiangsu Qin Heng",- "package": "SOP-8",- "pin_count": 8,- "category": "Interface",- "subcategory": "USB Converters",- "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403131131_WCH-Jiangsu-Qin-Heng-CH340N_C2977777.pdf",- "parts": {- "symbol": "ch340n.kicad_sym",- "footprint": "ch340n.kicad_mod",- "model_3d": "ch340n.glb",- "model_3d_step": "ch340n.step",- "lbr": "ch340n.lbr"+ "schema_version": 1,+ "type": "component",+ "slug": "ch340n",+ "title": "CH340N",+ "brief": "WCH Jiangsu Qin Heng USB Converters, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "version": "0.1.0",+ "license": "CC-BY-SA-4.0",+ "tags": [+ "component",+ "interface",+ "ch340n"+ ],+ "component": {+ "mpn": "CH340N",+ "manufacturer": "WCH Jiangsu Qin Heng",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "USB Converters",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403131131_WCH-Jiangsu-Qin-Heng-CH340N_C2977777.pdf",+ "parts": {+ "symbol": "ch340n.kicad_sym",+ "footprint": "ch340n.kicad_mod",+ "model_3d": "ch340n.glb",+ "model_3d_step": "ch340n.step",+ "lbr": "ch340n.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "UD+",+ "type": "bidirectional",+ "description": "USB D+ data line. Connect directly to the USB bus D+; do not add a series resistor. Internal pull-up and full USB 2.0 full-speed transceiver are integrated."+ },+ {+ "number": "2",+ "name": "UD-",+ "type": "bidirectional",+ "description": "USB D- data line. Connect directly to the USB bus D-; do not add a series resistor."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Common ground. Connect directly to the USB bus ground."+ },+ {+ "number": "4",+ "name": "RTS#",+ "type": "output",+ "description": "MODEM Request-To-Send output, active low (software-controllable polarity). Only MODEM handshake line brought out on the SOP-8 CH340N."+ },+ {+ "number": "5",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply input. Supports 5V (4.0-5.3V) or 3.3V (3.1-3.6V) operation. Requires a 0.1uF decoupling capacitor. In 3.3V mode, tie VCC to V3 (pin 8)."+ },+ {+ "number": "6",+ "name": "TXD",+ "type": "output",+ "description": "UART serial data output. Idle-high in normal (non-IrDA) mode. Baud rates 50 bps to 2 Mbps; transmit baud error <1.8% on CH340N (internal oscillator)."+ },+ {+ "number": "7",+ "name": "RXD",+ "type": "input",+ "description": "UART serial data input. Has software-controllable internal pull-up and pull-down resistors. Should idle high."+ },+ {+ "number": "8",+ "name": "V3",+ "type": "power_out",+ "description": "Internal 3.3V regulator node. In 5V operation, connect a 0.1uF decoupling capacitor to GND. In 3.3V operation, tie directly to VCC (pin 5) and feed 3.3V externally."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403131131_WCH-Jiangsu-Qin-Heng-CH340N_C2977777.pdf",+ "pages": 10,+ "sha256": "6a6922d3c4de2d4f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "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": {+ "specs": {+ "Manufacturer": "Unknown",+ "Package": "SOP-8",+ "Category": "Interface",+ "Pins": "8"+ } },- "distributor_links": {},- "pins": [- {- "number": "1",- "name": "UD+",- "type": "bidirectional",- "description": "USB D+ data line. Connect directly to the USB bus D+; do not add a series resistor. Internal pull-up and full USB 2.0 full-speed transceiver are integrated."- },- {- "number": "2",- "name": "UD-",- "type": "bidirectional",- "description": "USB D- data line. Connect directly to the USB bus D-; do not add a series resistor."- },- {- "number": "3",- "name": "GND",- "type": "power_in",- "description": "Common ground. Connect directly to the USB bus ground."- },- {- "number": "4",- "name": "RTS#",- "type": "output",- "description": "MODEM Request-To-Send output, active low (software-controllable polarity). Only MODEM handshake line brought out on the SOP-8 CH340N."- },- {- "number": "5",- "name": "VCC",- "type": "power_in",- "description": "Positive supply input. Supports 5V (4.0-5.3V) or 3.3V (3.1-3.6V) operation. Requires a 0.1uF decoupling capacitor. In 3.3V mode, tie VCC to V3 (pin 8)."- },- {- "number": "6",- "name": "TXD",- "type": "output",- "description": "UART serial data output. Idle-high in normal (non-IrDA) mode. Baud rates 50 bps to 2 Mbps; transmit baud error <1.8% on CH340N (internal oscillator)."- },- {- "number": "7",- "name": "RXD",- "type": "input",- "description": "UART serial data input. Has software-controllable internal pull-up and pull-down resistors. Should idle high."- },- {- "number": "8",- "name": "V3",- "type": "power_out",- "description": "Internal 3.3V regulator node. In 5V operation, connect a 0.1uF decoupling capacitor to GND. In 3.3V operation, tie directly to VCC (pin 5) and feed 3.3V externally."- }+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info" ],- "provenance": {- "extractor": "ds2sf",- "datasheet": {- "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403131131_WCH-Jiangsu-Qin-Heng-CH340N_C2977777.pdf",- "pages": 10,- "sha256": "6a6922d3c4de2d4f",- "source_tier": "lcsc"- },- "cad": "KiCad official (CC-BY-SA 4.0)",- "pins": {- "total": 8,- "described": 8,- "cites_pages": true,- "refuses_to_fabricate": true- }+ "discovery_triggers": [+ "ch340n"+ ],+ "discovery_pitch": "CH340N (Unknown) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png" },- "viewers": {- "symbol": "viewers/symbol.html",- "footprint": "viewers/footprint.html"- }- },- "metadata": {- "specs": {- "Manufacturer": "Unknown",- "Package": "SOP-8",- "Category": "Interface",- "Pins": "8"- }- },- "sections": [- "hero",- "viewers",- "readme",- "breadcrumbs",- "info"- ],- "discovery_triggers": [- "ch340n"- ],- "discovery_pitch": "CH340N (Unknown) component page with datasheet-verified CAD.",- "author": {- "name": "Ray",- "email": "[email protected]"- },- "dependencies": {},- "hero": {- "type": "image",- "path": "docs/hero.png"- },- "files": [- "page.json",- "README.md",- "ch340n.kicad_sym",- "ch340n.kicad_mod",- "ch340n.glb",- "ch340n.step",- "ch340n.lbr",- "docs/hero.png",- "docs/ch340n-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"- ]+ "files": [+ "page.json",+ "README.md",+ "ch340n.kicad_sym",+ "ch340n.kicad_mod",+ "ch340n.glb",+ "ch340n.step",+ "ch340n.lbr",+ "docs/hero.png",+ "docs/ch340n-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ] }
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='UD+' 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='UD-' 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='GND' 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' 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