Answered

• TUSB321: USB PD IC Recommendation for Automatic Power Role Swap

  

  Bob Kim

  Resolved

  Part Number: TUSB321 Hello, I'm designing a USB-C audio dock. When a device (PC, smartphone, etc) is plugged in, initially the host (DFP) will provide power to the audio dock. While plugged in, ideally the audio dock should charge the host, so the power…

  • Resolved

  • over 5 years ago
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• TUSB321: VBUS_DET and DIR problems

  

  Ben Johnson1

  TI Thinks Resolved

  Part Number: TUSB321 Hello, We have 2 problems 1. We've had some confusion on the TUSB321 VBUS_DET pin and the voltage thresholds discussed in the datasheet. In some places (ie 6.1 Absolute Maximum Ratings) VBUS_DET allows from -0.3 to 4.0V. Other…

  • over 6 years ago
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• TUSB542: TUSB542 AC Termination / TUSB321 Pin Usage / Schematic review

  

  Stephen Swearingen

  TI Thinks Resolved

  Part Number: TUSB542 Other Parts Discussed in Thread: TUSB321 , Hello, I have read quite a few post regarding TUSB542 and TUSB321, but still have some questions. Schematic is attached to hopefully clarify (still work in progress). Configuration…

  • over 5 years ago
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• TUSB321: one question about TUSB321 temperature range

  

  Oliver Ou

  TI Thinks Resolved

  Part Number: TUSB321 Hi, Can you help us to check if TUSB321 can pass below reliability test or? How about TUSB321AI? This one can support industry temperature range from the datasheet. Thanks.

  • over 8 years ago
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Answered

• RE: TUSB321: Connecting VDD to VBUS

  

  Sadanori Kato

  Resolved

  Hi Brian-san, Thank you for your quick response. Could you please tell me that reason why it isn't recommended to use TUSB321, connecting VDD to VBUS? Best regards, Kato

  • over 6 years ago
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• TUSB321: Schematic review

  

  MIT SHAH

  TI Thinks Resolved

  Part Number: TUSB321 Dear Team, Please review my schematic and let me know if I am missing anything. Mode : UFP Current : 3A,5V Thank you! Regards Mit shah

  • over 6 years ago
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Answered

• TUSB321: What is the POR delay value?

  

  Barak Kobrinsky1

  Resolved

  Part Number: TUSB321 The datasheet states the Initialization process - It says that after VDD is applied there is an internal POR and then the PORT pin is sampled. Can you please advise what is the delay time of the POR circuit? Thank you, Bara…

  • Resolved

  • over 6 years ago
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Answered

• TUSB321: Type C protocol device selection

  

  Minqi Zhao

  Resolved

  Part Number: TUSB321 Other Parts Discussed in Thread: BQ25616 , , TPS65987D Dear expert, My customer need a 1s fast charger IC that support Type C standard to charge the Li-on battery. Besides 5V3A, they may also consider 9V/12V PD protocol so the current…

  • Resolved

  • over 6 years ago
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Answered

• TUSB321: States of CC1 and CC2 pin

  

  Liu Yang

  Resolved

  Part Number: TUSB321 Hi team, We want to use TUSB321RWBR in the Device Functional Mode, and is configured to operate with 5 V power supply from the USB host side. Please tell us the status of CC1 and CC2 pins when TUSB321RWBR is not powered up. Best…

  • Resolved

  • over 6 years ago
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Answered

• RE: TUSB321: TUSB321 DIR output does not toggle when the plugged USB Type C device orientation is changed

  

  De De Li

  Resolved

  Hi Brian, I have compared the schematics with the reference design, no difference were found. It is also confirmed that PORT is pulled up to VDD. On the un-powered state, I checked the resistance between CC1 to GND and CC2 pin to GND when I flipped…

  • over 7 years ago
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