TUSB321RWBR

Texas InstrumentsExtended

-40℃~+85℃ 100uA 100uA 4.5V~5.5V Transceiver X2-QFN-12(1.6x1.6) USB Converters ROHS

Part id: ti/TUSB321RWBR
Category: USB Converters
Package: X2-QFN-12(1.6x1.6)
Pins: 12
In stock: 2,840 at JLCPCB (C139392)
Used on: 3 open-source boards

Overview

The TUSB321RWBR is a USB Converter made by Texas Instruments in a X2-QFN-12(1.6x1.6) package with 12 pins. -40℃~+85℃ 100uA 100uA 4.5V~5.5V Transceiver X2-QFN-12(1.6x1.6) USB Converters ROHS.

PCBKit's library has its KiCad symbol (Interface_USB:TUSB321, from KiCad's library) and its footprint (Package_DFN_QFN:Texas_X2QFN-12_1.6x1.6mm_P0.4mm, from KiCad's library), ready for a KiCad board. 2,840 are in stock at JLCPCB (part C139392). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

Interface_USB:TUSB321From KiCad's library

Footprint

Package_DFN_QFN:Texas_X2QFN-12_1.6x1.6mm_P0.4mmFrom KiCad's library

From the datasheet

Supply, least: 4.5 V · VDD, recommended operating min · p. 4
Supply, most: 5.5 V · VDD, recommended operating max · p. 4
Supply, absolute maximum: 6 V · VDD, absolute max · p. 4
Works from: 0 °C · Operating free-air temperature min · p. 4
Works up to: 70 °C · Operating free-air temperature max · p. 4
Takes working: 100 µA · VDD, active UFP mode typical, VDD = 5 V, PORT = L · p. 5
Current limit: 200 mA · VCONN disconnect current limit min · p. 6
Junction to air (RWB (X2QFN)): 169.3 K/W · Junction-to-ambient thermal resistance · p. 4
Junction to case (RWB (X2QFN)): 68.1 K/W · Junction-to-case top thermal resistance · p. 4
Junction to board (RWB (X2QFN)): 83.4 K/W · Junction-to-board thermal resistance · p. 4

What it is and has

USB Type-C specification: 1.1 · p. 1
Port modes: DFP source, UFP sink, DRP · p. 1
Current advertisement: Up to 3 A · p. 1
VBUS detection: Supported · p. 1
VCONN: Support for active cables · p. 1
Package: 12-pin X2QFN, 1.60 mm × 1.60 mm · p. 1

Around it

res 500-kΩ: between CURRENT_MODE and VDD; Pullup for medium 1.5 A current advertisement. · p. 3
res 10-kΩ: between CURRENT_MODE and VDD; Pullup for high 3.0 A current advertisement. · p. 3
res 4.7 kΩ: between PORT and VDD; Tri-level input external pullup for DFP mode. · p. 5
res 887 KΩ: between VBUS and VBUS_DET; External RVBUS resistor; minimum 855 KΩ, maximum 920 KΩ. · p. 6
cap 10–200 µF: between VDD and GND; Bulk capacitance for VCONN, placed on VDD supply. · p. 6

Specifications

Parameter	Conditions	As printed	Page
Supply voltage VDD	Over operating free-air temperature range	min -0.3 · max 6 V	4
Control pins PORT, CURRENT_MODE, ID, DIR, VCONN_FAULT	Maximum is VDD + 0.3 V	min -0.3 V	4
Control pins CC1, CC2		min -0.3 · max 6 V	4
Control pins OUT1, OUT2	Maximum is VDD + 0.3 V	min -0.3 V	4
Control pins VBUS_DET		min -0.3 · max 4 V	4
Storage temperature Tstg		min -65 · max 150 °C	4
Electrostatic discharge V(ESD)	Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001; ±7000 V	min -7000 · max 7000 V	4
Electrostatic discharge V(ESD)	Charged-device model (CDM), per JEDEC specification JESD22-C101; ±1500 V	min -1500 · max 1500 V	4
Supply voltage range VDD		min 4.5 · max 5.5 V	4
System VBUS voltage VBUS	NOM = 5 V	min 4 · typ 5 · max 28 V	4
VBUS_DET threshold voltage on the pin VBUS_DET		max 4 V	4
Supply for active cable VCONN	With VDD at 5 V	min 4.75 · max 5.5 V	4
Operating free air temperature range TA	NOM = 25 °C	min 0 · typ 25 · max 70 °C	4
Junction-to-ambient thermal resistance RθJA	RWB (X2QFN), 12 PINS	typ 169.3 °C/W	4
Junction-to-case (top) thermal resistance RθJC(top)	RWB (X2QFN), 12 PINS	typ 68.1 °C/W	4
Junction-to-board thermal resistance RθJB	RWB (X2QFN), 12 PINS	typ 83.4 °C/W	4
Junction-to-top characterization parameter ψJT	RWB (X2QFN), 12 PINS	typ 2.2 °C/W	4
Junction-to-board characterization parameter ψJB	RWB (X2QFN), 12 PINS	typ 83.4 °C/W	4
Current consumption in unattached mode when port is unconnected and waiting for connection. IUNATTACHED_UFP	VDD = 5 V, PORT = L	typ 100 uA	5
Current consumption in active mode. IACTIVE_UFP	VDD = 5 V, PORT = L	typ 100 uA	5
Pulldown resistor when in UFP or DRP mode. RCC_D		min 4.6 · typ 5.1 · max 5.6 kΩ	5
Voltage threshold for detecting a DFP attach when configured as a UFP and DFP is advertising default current source capability. VTH_UFP_CC_USB		min 0.15 · typ 0.2 · max 0.25 V	5
Voltage threshold for detecting a DFP attach when configured as a UFP and DFP is advertising medium (1.5 A) current source capability. VTH_UFP_CC_MED		min 0.61 · typ 0.66 · max 0.7 V	5
Voltage threshold for detecting a DFP attach when configured as a UFP and DFP is advertising high (3 A) current source capability. VTH_UFP_CC_HIGH		min 1.169 · typ 1.23 · max 1.29 V	5
Voltage threshold for detecting a UFP attach when configured as a DFP and advertising default current source capability. VTH_DFP_CC_USB		min 1.51 · typ 1.6 · max 1.64 V	5
Voltage threshold for detecting a UFP attach when configured as a DFP and advertising medium current (1.5 A) source capability. VTH_DFP_CC_MED		min 1.51 · typ 1.6 · max 1.64 V	5
Voltage threshold for detecting a UFP attach when configured as a DFP and advertising high current (3.0 A) source capability. VTH_DFP_CC_HIGH		min 2.46 · typ 2.6 · max 2.74 V	5
Voltage threshold for detecting a active cable attach when configured as a DFP and advertising default current source. VTH_AC_CC_USB		min 0.15 · typ 0.2 · max 0.25 V	5
Voltage threshold for detecting a active cable attach when configured as a DFP and advertising medium current (1.5 A) source. VTH_AC_CC_MED		min 0.35 · typ 0.4 · max 0.45 V	5
Voltage threshold for detecting a active cable attach when configured as a DFP and advertising high current (3.0 A) source. VTH_AC_CC_HIGH		min 0.76 · typ 0.8 · max 0.84 V	5
Default mode pullup current source when operating in DFP or DRP mode. ICC_DEFAULT_P		min 64 · typ 80 · max 96 uA	5
Medium (1.5 A) mode pullup current source when operating in DFP or DRP mode. ICC_MED_P		min 166 · typ 180 · max 194 uA	5
High (3 A) mode pullup current source when operating in DFP or DRP mode. ICC_HIGH_P	VDD must be 3.5 V or greater to advertise 3 A current	min 304 · typ 330 · max 356 uA	5
Low-level control signal input voltage VIL	PORT, CURRENT_MODE	max 0.4 V	5
High-level input current IIH		min -20 · max 20 uA	5
Low-level input current IIL		min -10 · max 10 uA	5
Internal pullup resistance (PORT) Rpu		typ 588 kΩ	5
Internal pulldown resistance (PORT) Rpd		typ 1.1 MΩ	5
Internal pulldown resistance for CURRENT_MODE pin RPD_CUR		typ 275 kΩ	5
Low-level signal output voltage (open-drain) VOL	VCONN_FAULT, ID, OUT1, OUT2; IOL = –1.6 mA	max 0.4 V	5
External pullup resistor on open drain IOs Rp_ODext	VCONN_FAULT, ID, OUT1, OUT2	typ 200 kΩ	5
Tri-level input external pull-up resistor (PORT) Rp_TLext		typ 4.7 kΩ	5
External pull-up resistor on CURRENT_MODE pin to advertise 1.5-A current Rp_cm_med		typ 500 kΩ	6
External pull-up resistor on CURRENT_MODE pin to advertise 3.0-A current Rp_cm_high		typ 10 kΩ	6
VBUS threshold range VBUS_THR	VBUS_DET connected to System VBUS signal through external resistor	min 2.95 · typ 3.3 · max 3.8 V	6
External resistor between VBUS and VBUS_DET pin RVBUS		min 855 · typ 887 · max 920 KΩ	6
Internal pulldown resistance for VBUS_DET RVBUS_PD		typ 95 KΩ	6
Low-level signal output voltage VOL	DIR pin (Open Drain IO); IOL = –1.6 mA	max 0.4 V	6
On resistance of the VCONN power FET RON		max 1.25 Ω	6
Voltage tolerance on VCONN power FET VTOL		max 5.5 V	6
Voltage to pass through VCONN power FET VPASS		max 5.5 V	6
VCONN current limit; VCONN is disconnected above this value IVCONN		min 200 mA	6
Bulk capacitance on VCONN; placed on VDD supply CBULK		min 10 · max 200 uF	6
Power on default of CC1 and CC2 voltage debounce time tCCCB_DEFAULT		typ 133 ms	6
Debounce of VBUS_DET pin after valid VBUS_THR (See Figure 1.) tVBUS_DB		typ 2 ms	6
Power-on default of percentage of time DRP advertises DFP during a TDRP tDRP_DUTY_CYCLE		typ 30 %	6
The period TUSB321 in DFP mode completes a DFP to UFP and back advertisement. tDRP		min 50 · typ 75 · max 100 ms	6
VCONN_FAULT asserted low time after VCONN over-current condition is detected. (See Figure 2.) tFAULT		min 7 · typ 10 · max 13 us	6

Pins, by the datasheet

1 CC1: Type-C configuration channel signal 1. · p. 3
2 CC2: Type-C configuration channel signal 2. · p. 3
3 CURRENT_MODE: Controls current advertisement in DFP or DRP source mode: ground or unconnected for default, 500-kΩ pullup to VDD for 1.5 A, 10-kΩ pullup to VDD for 3.0 A. · p. 3
4 PORT: Tri-level port-mode input sampled when VDD is active: pull up to VDD for DFP, leave unconnected for DRP, or pull down or tie to GND for UFP. · p. 3
5 VBUS_DET: VBUS detection input for UFP attachment; requires an external RVBUS resistor between system VBUS and this pin. · p. 3
6 VCONN_FAULT: Asserted low for tFAULT when a VCONN over-current fault is detected. · p. 3
7 OUT1: Communicates detected current mode in UFP mode: high for default current, low for medium or high current. · p. 3
8 OUT2: Communicates detected current mode in UFP mode: high for default or medium current, low for high current. · p. 3
9 ID: Asserted low when device attachment is detected while operating as a DFP source. · p. 3
10 GND: Ground. · p. 3
11 DIR: Indicates plug orientation: high for Type-C plug position 2, low for position 1. · p. 3
12 VDD: Positive supply voltage. · p. 3

Ordering codes, by the datasheet

TUSB321RWBR: X2QFN (RWB) · 12 pins; 3000-piece large tape and reel; 0 to 70 °C; MSL Level-2-260C-1 YEAR. · p. 19
TUSB321RWBR.A: X2QFN (RWB) · 12 pins; 3000-piece large tape and reel; 0 to 70 °C; MSL Level-2-260C-1 YEAR. · p. 19
TUSB321RWBRG4: X2QFN (RWB) · 12 pins; 3000-piece large tape and reel; 0 to 70 °C; MSL Level-1-260C-UNLIM. · p. 19
TUSB321RWBRG4.A: X2QFN (RWB) · 12 pins; 3000-piece large tape and reel; 0 to 70 °C; MSL Level-1-260C-UNLIM. · p. 19

Parameters

Applications Function: Transceiver
Current - Supply: 100uA
Current Limit: 200mA
Features: Low-power mode
Operating Temperature: 0℃~+70℃
Quiescent Supply Current: 100uA
Thermal Resistance(Junction to Ambient): 169.3℃/W
Thermal Resistance(Junction to Board): 83.4℃/W
Thermal Resistance(Junction to Case): 68.1℃/W
Voltage - Supply: 4.5V~5.5V
Voltage - Supply(Absolute Max): 6V

Order codes

TUSB321RWBRLCSC C139392

Pinout

The pins of the TUSB321RWBR
Pin	Name	Type
1	CC1	Input/output
2	CC2	Input/output
3	CURRENT_MODE	Input
4	PORT	Input
5	VBUS_DET	Input
6	VCONN_FAULT	Open collector
7	OUT1	Open collector
8	OUT2	Open collector
9	ID	Open collector
10	GND	Power in
11	DIR	Open collector
12	VDD	Power in

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Parts like it

Questions

Is there a KiCad symbol and footprint for the TUSB321RWBR?

Yes. The symbol is Interface_USB:TUSB321 and the footprint Package_DFN_QFN:Texas_X2QFN-12_1.6x1.6mm_P0.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TUSB321RWBR?

X2-QFN-12(1.6x1.6), with 12 pins. Its footprint is drawn on this page.

Where is the TUSB321RWBR datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the TUSB321RWBR?

JLCPCB lists it as part C139392, with 2,840 in stock; the sellers' links on this page open their listings.

What can replace the TUSB321RWBR?

Parts like it in the library: the PTN5150AHXMP by NXP Semiconductors, the FUSB303BTMX by onsemi, the TUSB320LIRWBR by Texas Instruments and the TUSB320HIRWBR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the TUSB321RWBR?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.