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TUSB322I: Difference between TUSB322 and TUSB321

Hideki Hayashi1
Expert 7440 points
Part Number: TUSB322I
Other Parts Discussed in Thread: TUSB321, TUSB322, HD3SS3212

Hi team,

Could you point out the difference between TUSB322 and TUSB321?

Regards,

Hayashi

  • +1
    TI__Guru** 124050 points
    Feature TUSB321A TUSB322
    VDD Range 4.5V to 5.5V 4.5V to 5.5V
    Enable pin N/A Active Low
    Shutdown Current N/A 0.37 µA
    UFP Active Current 70 µA 70 µA
    UFP Unattached Current 70 µA 70 µA
    Vconn 1Watt Support Yes Yes
    Active Cable Detection Yes Yes
    GPIO Mode Yes Yes
    400KHz I2C support No Yes
    1.8V and 3.3V I2C levels No Yes
    Current Advertise through GPIO. Yes. Default, Mid, High. Yes, Default only
    Current Advertise through I2C. No Yes. Default, Mid, High.
    Current Detection through GPIO Yes Yes
    Current Detection through I2C No Yes
    UFP-only Support Yes Yes, thru I2C.
    DFP-only Support Yes Yes, thru I2C.
    DRP (alternate between UFP and DFP) Support Yes Yes
    Audio Accessory No Yes, when DFP or UFP.
    Debug Accessory No Yes, when DFP or UFP.
    Try.SRC No Yes
    Try.SNK No Yes
    Cable Orientation through DIR pin to control external MUX Yes Yes
    Cable Orientation through I2C register No Yes
    Directed to Disabled State No Yes
    Mode Change via MODE_SELECT register in connected state N/A Supported in either connected or unconnected state
    I2C Slave Address N/A 0x47 or 0x67
    Debug Accessory ECR No Yes
    ID pin Failsafe Yes Yes
    VBUS Detection 4V to 28V Yes Yes
    Dead Battery Mode Yes Yes
    Integrated USB3.1 2:1 Mux No.  External using HD3SS3212. No.  External using HD3SS3212.
    DFP waits for VBUS below VBUS_DET threshold before transitioning from AttachWait.SRC to Attached.SRC Yes Yes
    HBM ESD +/- 3KV +/- 3KV
    VCONN FAULT PIN behavior Asserted low until fault condition removed. N/A