Answered

• TPS25840-Q1: The compatibility design of TPS25846-Q1 and TPS25840

  

  Alan Xia

  Resolved

  Part Number: TPS25840-Q1 Other Parts Discussed in Thread: TPS25846-Q1 Tool/software: Hi team， The customer is considering making the LM25830-Q1 and LM25846-Q1 schematics compatible. I found that there are some differences in the design. How should the…

  • Resolved

  • 3 months ago
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• RE: TPS25840-Q1: Schematic review

  

  Ke Wang

  Hi Rubin: TPS25830A-Q1: https://www.ti.com/tool/PMP30338 TPS25840-Q1: https://www.ti.com/tool/PMP40544 BR, Ke Wang

  • 2 months ago
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Answered

• TPS25840-Q1: DP, DM communication

  

  Iris Shen

  Resolved

  Part Number: TPS25840-Q1 Hi team, What's the behavior of TPS25840-Q1's DP and DM after BC1.2 negotiation is done? Is there still communication data transmitted? Thanks!

  • Resolved

  • 11 months ago
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Answered

• TPS25840-Q1: Is it mandatory to pull high EN before DP/DM?

  

  Johnny Guo

  Resolved

  Part Number: TPS25840-Q1 Hi, team, Just want to check that EN must be pull high before DP/DM data switch? If DP/DM data switch first then EN pull high, will VOUT fail to start up to 5V? Thanks. Johnny

  • Resolved

  • over 2 years ago
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Answered

• TPS25840-Q1: /BUCK_ST floating

  

  Evan Wang

  Resolved

  Part Number: TPS25840-Q1 Hi All, I have a question about the /BUCK_ST pin of the TPS25840-Q1. Could I leave it floating or the pull-up resistor is needed? What is the risk if we left it floating? Thank you.

  • Resolved

  • over 2 years ago
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Answered

• TPS25830A-Q1: Combination of TPS25830A-Q1 and TUSB217A-Q1

  

  Kazuki Kuramochi

  Resolved

  Part Number: TPS25830A-Q1 Other Parts Discussed in Thread: TUSB217A-Q1 , TUSB217-Q1 , TPS25840-Q1 Tool/software: Hello Expert, Our customer is considering to use TUSB217A-Q1 and TPS25830A-Q1 on same USB lane. Then, is there any concern or key point for…

  • Resolved

  • 4 months ago
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• TPS25840-Q1: charge current data with different phone

  

  Betty Guo

  TI Thinks Resolved

  Part Number: TPS25840-Q1 Hi team can you share the charge current data of TPS25840-Q1 in different phone condition? thank you

  • over 3 years ago
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• TPS25840-Q1: Current draw of more than 1.5A

  

  Danilo A.

  TI Thinks Resolved

  Part Number: TPS25840-Q1 Hi Team, We would like to ask your help regarding the customer's inquiry. We are currently using this chip on our system; it is a 5 V, 3.5 A USB Type-A converter with BC1.2 However, when we plug in USB devices, the maximum…

  • over 3 years ago
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Answered

• TPS25840-Q1: Dx_OUT voltage requirement during start up and shut down

  

  Atsushi Hirai

  Resolved

  Part Number: TPS25840-Q1 Hi team, For this device, there are some voltage requirement during start up according to the datasheet page23-24. Is it only for start up? Or customer should keep Dx_OUT lower than 2.2V before EN High to Low? Regards,

  • Resolved

  • over 3 years ago
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Answered

• TPS25840-Q1: VBUS and LS_GD behavior under "Overvoltage on the data lines"

  

  Atsushi Hirai

  Resolved

  Part Number: TPS25840-Q1 Hi team, Customer want to know the behavior of VBUS(DCDC switching) and LS_GD under "Overvoltage on the data lines" fault. It's not clear on the datasheet. Please give me your advice. Regards,

  • Resolved

  • over 3 years ago
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