component
CH315G
Public Made by Adomby adom
WCH(Jiangsu Qin Heng) USB ICs, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ch315g",
"title": "CH315G",
"brief": "WCH(Jiangsu Qin Heng) USB ICs, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"interface ics",
"ch315g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CH315G",
"manufacturer": "WCH(Jiangsu Qin Heng)",
"package": "SOP-14",
"pin_count": 14,
"category": "Interface ICs",
"subcategory": "USB ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ce1f2064da7c2049461742ed5fc2b659.pdf",
"parts": {
"symbol": "ch315g.kicad_sym",
"footprint": "ch315g.kicad_mod",
"model_3d": "ch315g-hero.glb",
"model_3d_plain": "ch315g-etched.glb",
"model_3d_step": "ch315g-etched.step",
"model_3d_step_plain": "ch315g.step",
"lbr": "ch315g.lbr"
},
"distributor_links": {
"lcsc": "C92287"
},
"distributor_check": {
"checked_at": "2026-10-27T00:50:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "REF",
"type": "passive",
"description": "Reference voltage of the internal analog circuit, requires an external voltage-divider resistor and decoupling capacitor."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Common ground, connected directly to the ground wire of the USB bus."
},
{
"number": "3",
"name": "VCC",
"type": "power_in",
"description": "Positive supply input (3.2-5.3V), requires an external 0.1-1uF decoupling capacitor."
},
{
"number": "4",
"name": "XD-",
"type": "bidirectional",
"description": "Analog signal pin connected directly to the negative end of the differential extension cable."
},
{
"number": "5",
"name": "XD+",
"type": "bidirectional",
"description": "Analog signal pin connected directly to the positive end of the differential extension cable."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Common ground, connected directly to the ground wire of the USB bus."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No-connect pin, must not be connected."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No-connect pin, must not be connected."
},
{
"number": "9",
"name": "VCC",
"type": "power_in",
"description": "Positive supply input (3.2-5.3V), requires an external 0.1-1uF decoupling capacitor."
},
{
"number": "10",
"name": "UP#",
"type": "input",
"description": "Mode select input with internal pull-up; low selects upstream (host-side) mode, high selects downstream (device-side) mode."
},
{
"number": "11",
"name": "NC",
"type": "unconnected",
"description": "No-connect pin, must not be connected."
},
{
"number": "12",
"name": "UD-",
"type": "bidirectional",
"description": "USB signal pin connected directly to the D- data line of the USB bus."
},
{
"number": "13",
"name": "UD+",
"type": "bidirectional",
"description": "USB signal pin connected directly to the D+ data line of the USB bus."
},
{
"number": "14",
"name": "V3",
"type": "passive",
"description": "Tied to VCC with external 3.3V supply at 3.3V operation; at 5V operation needs a 0.01-0.1uF decoupling capacitor."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: V3 is listed as a power pin that is either an input (3.3V mode) or a decoupled internal regulator no; XD+/XD- are described only as analog signals to the differential cable; direction not stated, typed ; REF direction not stated; typed passive."
],
"pages_sent": 4,
"cost_usd": 0.0735,
"at": "2026-10-27T00:49:52"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/ce1f2064da7c2049461742ed5fc2b659.pdf",
"pages": 4,
"sha256": "d41610cac3975a46",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 14,
"described": 14,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
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"models_3d": [
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ch315g-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
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"sha256": "549bae41ed84636d7a963e8667e2a879809df0e79668fb07bc38e7de75a96532",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "WCH(Jiangsu Qin Heng)",
"Package": "SOP-14",
"Category": "Interface ICs",
"Pins": "14"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d41610cac3975a4602011475fa1c686dd1e4c266dede52221cd52d92b4bbbf8c",
"rows": [
{
"name": "Ambient operating temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TS",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "VCC to power, GND to ground",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Voltage on input or output pins",
"symbol": "VIO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "max printed as VCC+0.5",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "electrical",
"unit": "V",
"min": 3.2,
"typ": 5,
"max": 5.3,
"conditions": "TA=25℃, VCC=5V or VCC=V3=3.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent supply current",
"symbol": "ICCs",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 6,
"conditions": "TA=25℃, VCC=5V or VCC=V3=3.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating supply current",
"symbol": "ICCa",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 20,
"max": 50,
"conditions": "TA=25℃, VCC=5V or VCC=V3=3.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "UP# pin pull-up input current",
"symbol": "IUPup",
"kind": "electrical",
"unit": "uA",
"min": 3,
"typ": 150,
"max": 300,
"conditions": "TA=25℃, VCC=5V or VCC=V3=3.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ACT# pin pull-up input current",
"symbol": "IUPact",
"kind": "electrical",
"unit": "uA",
"min": 100,
"typ": 230,
"max": 400,
"conditions": "TA=25℃, VCC=5V or VCC=V3=3.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Full-speed USB extension distance",
"symbol": "Lfs",
"kind": "electrical",
"unit": "m",
"min": 60,
"typ": 75,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-speed USB extension distance",
"symbol": "Lls",
"kind": "electrical",
"unit": "m",
"min": 150,
"typ": 200,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
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"discovery_triggers": [
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],
"discovery_pitch": "CH315G (WCH(Jiangsu Qin Heng)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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