component
TUSB321RWBR
Public Made by Adomby adom
Texas Instruments Specialized, X2-QFN-12(1.6x1.6). KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.
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page.json+16−16@@ -20,7 +20,7 @@ "pin_count": 12, "category": "Interface", "subcategory": "Specialized",- "datasheet": "https://www.ti.com/cn/lit/gpn/tusb321",+ "datasheet": "https://www.ti.com/lit/ds/symlink/tusb321.pdf", "parts": { "symbol": "tusb321rwbr.kicad_sym", "footprint": "tusb321rwbr.kicad_mod",@@ -49,73 +49,73 @@ "number": "1", "name": "CC1", "type": "bidirectional",- "description": "Type-C configuration channel signal 1. Connects to the CC1 pin of the USB Type-C receptacle for attach/detach detection, cable orientation detection, and current-mode advertisement. Absolute max rating -0.3 V to 6 V. [datasheet p.3]"+ "description": "USB Type-C Configuration Channel signal 1. Internal pull-ups/pull-downs (Rp or Rd ≈ 5.1 kΩ) select DFP/UFP role and detect cable attach, orientation, and advertised current. [datasheet p.3]" }, { "number": "2", "name": "CC2", "type": "bidirectional",- "description": "Type-C configuration channel signal 2. Connects to the CC2 pin of the USB Type-C receptacle for attach/detach detection, cable orientation detection, and current-mode advertisement. Absolute max rating -0.3 V to 6 V. [datasheet p.3]"+ "description": "USB Type-C Configuration Channel signal 2. Mirror of CC1 for the other CC line in the Type-C receptacle; used together with CC1 to determine plug orientation. [datasheet p.3]" }, { "number": "3", "name": "CURRENT_MODE", "type": "input",- "description": "Tri-level input that advertises VBUS current capability in DFP or source-DRP mode. L = Default (pull-down to GND or leave unconnected); M = Medium 1.5 A (pull-up to VDD via 500-kΩ resistor); H = High 3.0 A (pull-up to VDD via 10-kΩ resistor). VDD must be ≥3.5 V to advertise 3 A. [datasheet p.3]"+ "description": "Tri-level input that selects advertised VBUS current when in DFP or DRP-as-source mode. L = default USB current (pull-down or GND); M = 1.5 A (pull-up to VDD via 500 kΩ); H = 3.0 A (pull-up to VDD via 10 kΩ). VDD must be ≥ 3.5 V to advertise 3 A. [datasheet p.3]" }, { "number": "4", "name": "PORT", "type": "input",- "description": "Tri-level port-mode select input, sampled when VDD becomes active. H = DFP (pull-up to VDD); NC = DRP (leave open or tie via 4.7 kΩ); L = UFP (pull-down or tie to GND). Internal R_pu ≈ 588 kΩ, R_pd ≈ 1.1 MΩ. [datasheet p.3]"+ "description": "Tri-level input that selects port mode, sampled when VDD becomes active. H = DFP (pull-up to VDD), NC = DRP (leave floating), L = UFP (tie to GND). [datasheet p.3]" }, { "number": "5", "name": "VBUS_DET", "type": "input",- "description": "VBUS detection input, 5 V to 28 V input range (abs max -0.3 V to 4 V at the pin). VBUS detection determines UFP attachment. One external R_VBUS resistor is required between system VBUS and this pin; threshold on the pin ≤4 V. [datasheet p.3]"+ "description": "VBUS detection input, 5–28 V nominal (absolute max 4 V on the pin itself — a large external resistor R_VBUS ≈ 887 kΩ is required between system VBUS and this pin). Internal 95 kΩ pulldown forms a divider; the VBUS_THR threshold is ~3.3 V at the pin and determines UFP attach. [datasheet p.3]" }, { "number": "6", "name": "~{VCONN_FAULT}", "type": "open_collector",- "description": "Active-low open-drain fault output. Asserted low for t_FAULT when a VCONN over-current fault is detected. Requires external pull-up (typ. 200 kΩ) to VDD. [datasheet p.3]"+ "description": "Active-low open-drain output asserted for t_FAULT (7–13 µs) when a VCONN over-current condition (>200 mA) is detected on the active-cable VCONN power FET. Requires an external pull-up (R_ODext ≈ 200 kΩ). [datasheet p.3]" }, { "number": "7", "name": "OUT1", "type": "open_collector",- "description": "Open-drain output that communicates the detected Type-C source current mode while in UFP mode. Default or Medium current = H, High current = L (in combination with OUT2). Requires external pull-up to VDD. [datasheet p.3]"+ "description": "Open-drain output communicating the detected Type-C source current advertisement when in UFP mode. H = default current detected, L = medium or high current detected. Requires external pull-up (~200 kΩ). [datasheet p.3]" }, { "number": "8", "name": "OUT2", "type": "open_collector",- "description": "Open-drain output that communicates the detected Type-C source current mode while in UFP mode. Default = H, Medium or High current = L (in combination with OUT1). Requires external pull-up to VDD. [datasheet p.3]"+ "description": "Open-drain output communicating the detected Type-C source current advertisement when in UFP mode. H = default or medium current detected, L = high current detected. Requires external pull-up (~200 kΩ). [datasheet p.3]" }, { "number": "9", "name": "ID", "type": "open_collector",- "description": "Open-drain output asserted low when the CC pins detect device attachment while the port is a source (DFP, or DRP acting as DFP). Requires external pull-up to VDD. [datasheet p.3]"+ "description": "Open-drain output asserted low when the CC pins detect device attachment while the port is acting as a source (DFP, or DRP acting as source). Requires an external pull-up (~200 kΩ). [datasheet p.3]" }, { "number": "10", "name": "GND", "type": "power_in",- "description": "Device ground reference. [datasheet p.3]"+ "description": "Device ground return. [datasheet p.3]" }, { "number": "11", "name": "DIR", "type": "open_collector",- "description": "Open-drain plug orientation output. H = Type-C plug position 2; L = Type-C plug position 1. Used to drive an external USB SuperSpeed mux. Requires external pull-up to VDD. [datasheet p.3]"+ "description": "Open-drain plug-orientation output. H = Type-C plug position 2, L = Type-C plug position 1. Drives external USB SuperSpeed mux. VOL ≤ 0.4 V at 1.6 mA; requires external pull-up (~200 kΩ). [datasheet p.3]" }, { "number": "12", "name": "VDD", "type": "power_in",- "description": "Positive supply voltage input, 4.5 V to 5.5 V operating range (abs max 6 V). VDD must be ≥3.5 V in order to advertise 3-A current. [datasheet p.3]"+ "description": "Positive supply voltage, 4.5–5.5 V (nominal 5 V). Low current consumption (~100 µA active/unattached). Also feeds the VCONN power FET (R_ON ≈ 1.25 Ω) used to power active cables; requires 10–200 µF bulk capacitance on VCONN/VDD. [datasheet p.3]" } ], "provenance": {@@ -125,10 +125,10 @@ "at": "2026-10-08" }, "datasheet": {- "url": "https://www.ti.com/cn/lit/gpn/tusb321",+ "url": "https://www.ti.com/lit/ds/symlink/tusb321.pdf", "pages": 25,- "sha256": "2364f607a44bfce696894d9fe58d1afb38f53650b50f734bacf94f1a474450ef",- "source_tier": "lcsc"+ "sha256": "ef1cea96d1e85a985410e1316a6b52381cf50a482681dbb91da9a9920025305e",+ "source_tier": "mfr" }, "cad": "Footprint, symbol and 3D model as used on Adom board designs; the 3D model was extracted from the board STEP export", "pins": {