component
CH343P
Public Made by Adomby adom
WCH Jiangsu Qin Heng USB Converters, TQFN-16-EP(3x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+170−8@@ -1,13 +1,180 @@ {+ "schema_version": 1,+ "type": "component", "slug": "ch343p",+ "title": "CH343P",+ "brief": "WCH Jiangsu Qin Heng USB Converters, TQFN-16-EP(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "WCH Jiangsu Qin Heng USB Converters, TQFN-16-EP(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "interface", "ch343p" ],+ "component": {+ "mpn": "CH343P",+ "manufacturer": "WCH Jiangsu Qin Heng",+ "package": "TQFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Interface",+ "subcategory": "USB Converters",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/60ab625effae247ff0bd8e1f7ad25257.pdf",+ "parts": {+ "symbol": "ch343p.kicad_sym",+ "footprint": "ch343p.kicad_mod",+ "model_3d": "ch343p.glb",+ "model_3d_step": "ch343p.step",+ "lbr": "ch343p.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VIO",+ "type": "power_in",+ "description": "I/O port power supply input for UART and RST pins. Supports 1.8V-5.5V; should share the supply used by the connected MCU. Requires an external decoupling capacitor. Not fed by V3/VDD5 internally and no reverse current path."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Common ground. Must be connected to the USB bus ground. Pin 0 (exposed pad on the underside of the QFN) is also GND and is optional but recommended for connection."+ },+ {+ "number": "3",+ "name": "VDD5",+ "type": "power_in",+ "description": "Positive supply input to the internal 3.3V LDO regulator. Accepts 4.0-5.5V when V3 is not tied to VDD5, or 3.0-3.6V when V3 is tied to VDD5. Requires an external decoupling capacitor."+ },+ {+ "number": "4",+ "name": "TXD",+ "type": "output",+ "description": "UART serial data output. Idle state is high. Referenced to VIO."+ },+ {+ "number": "5",+ "name": "RXD",+ "type": "input",+ "description": "UART serial data input with an internal pull-up to VIO (typ. ~60 uA at 3.3V). Idle state is high."+ },+ {+ "number": "6",+ "name": "V3",+ "type": "power_in",+ "description": "Internal 3.3V LDO regulator output and core/USB PHY supply input. When VDD5 < 3.6V, tie V3 to VDD5 and feed 3.3V externally; when VDD5 > 3.6V, leave V3 with only its decoupling capacitor (0.1 uF). LDO drive capability ~10 mA."+ },+ {+ "number": "7",+ "name": "UD+",+ "type": "bidirectional",+ "description": "USB D+ data line. Connect directly to the USB bus D+; no series resistor allowed (internal USB transceiver/1.5K pull-up per USB 2.0 full-speed)."+ },+ {+ "number": "8",+ "name": "UD-",+ "type": "bidirectional",+ "description": "USB D- data line. Connect directly to the USB bus D-; no series resistor allowed."+ },+ {+ "number": "9",+ "name": "VBUS",+ "type": "input",+ "description": "USB bus VBUS presence detection input with internal pull-down (controllable via MCR OUT1 to close/open the pull-down). Also supports the VIO low-voltage protection scheme when a series resistor + external PMOS is used to switch VIO. Abs max 6.5V."+ },+ {+ "number": "10",+ "name": "ACT#",+ "type": "output",+ "description": "USB enumeration/configuration-complete status output, active low. Inactive during USB suspend. Typically used to drive an LED (through a series resistor to VIO) or notify the MCU that the USB link is up."+ },+ {+ "number": "11",+ "name": "DCD",+ "type": "input",+ "description": "MODEM handshake input: Data Carrier Detect, active low. Driven by the peer's DCE."+ },+ {+ "number": "12",+ "name": "DTR/TNOW",+ "type": "output",+ "description": "Default: MODEM DTR output, active low. If a ~4.7 kOhm pull-down is detected on this pin at power-up/reset, the pin auto-switches to TNOW (transmit-in-progress indicator, active high) for driving RS485 DE/RE# in half-duplex mode."+ },+ {+ "number": "13",+ "name": "RTS",+ "type": "output",+ "description": "MODEM handshake output: Request To Send, active low. Also used by the hardware auto-flow-control logic (asserted while the RX buffer has room)."+ },+ {+ "number": "14",+ "name": "DSR",+ "type": "input",+ "description": "MODEM handshake input: Data Set Ready, active low. Internal pull-up to VIO."+ },+ {+ "number": "15",+ "name": "CTS",+ "type": "input",+ "description": "MODEM handshake input: Clear To Send, active low. Used by the auto-flow-control logic to gate transmission. Internal pull-up to VIO."+ },+ {+ "number": "16",+ "name": "RI",+ "type": "input",+ "description": "MODEM handshake input: Ring Indicator, active low. Internal pull-up to VIO."+ },+ {+ "number": "0",+ "name": "GND",+ "type": "power_in",+ "description": "Exposed thermal/ground pad on the underside of the QFN16 package. Connection is optional but recommended; ties to the same net as pin 2 GND."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/60ab625effae247ff0bd8e1f7ad25257.pdf",+ "pages": 8,+ "sha256": "656a3a7bd49d78a4",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "WCH Jiangsu Qin Heng",+ "Package": "TQFN-16-EP(3x3)",+ "Category": "Interface",+ "Pins": "17"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "ch343p"+ ],+ "discovery_pitch": "CH343P (WCH Jiangsu Qin Heng) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +192,5 @@ "docs/ch343p-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }