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  • TPS25831-Q1: BC1.2 DCP compliance failed

    Part Number: TPS25831-Q1 Hi TI experts. We get a BC1.2 DCP compliance failed when using TPS25831-Q1. The fail item are DCP12, 13, 15. Here are the logs: BC1.2_DCP_P2_CC1_1.txt Packet-Master USB-PET Report on Product Copyright � 2010-2015 MQP…
    • Answered

  • TPS25831-Q1: Request for the test data of popular phone charging with max adv current data

    Resolved
    Part Number: TPS25831-Q1 Hello, My customer would like to see the latest TPS25831-Q1 test data like the following table (they got the table in around 2017 and old). They would like to know CDP[A] data at BC1.2 for some popular phones. Best regards, …
    • Resolved
    • Answered

  • TPS25831-Q1: Type-C detection vs DCP charging schemes detection

    Resolved
    Part Number: TPS25831-Q1 Hello, At TPS25831-Q1, which runs first when a device is connected to DFP via a cable, detecting CC for Type-C or the auto-detect state machine that supports all DCP charging schemes? Best regards, K.Hirano
    • Resolved
    • Answered

  • TPS25831-Q1: Current Limit Accuracy

    Resolved
    Part Number: TPS25831-Q1 Hello, My customer is using TPS25831-Q1 for their design. They have a question about current limit accuracy. They are adopting “ Buck average current limit ” . According to the datasheet, Rsns=15mohms, Rset=300ohms and…
    • Resolved

  • TPS25831-Q1: 5V/3A charger MFi certification

    TI Thinks Resolved
    Part Number: TPS25831-Q1 Hi Team, We want to use TPS25831-Q1 and meet MFi requirement. As app note said, 3A current limit suggest place 330uF cap on CSP. To my understanding CSP line is like Vbus. https://www.ti.com/lit/an/slvaeq2/slvaeq2.pdf?ts=166…
    • Answered

  • TPS25831-Q1: Connecting a Type A mobile battery to TPS25831-Q1 through Type-A to Type-C cable

    Resolved
    Part Number: TPS25831-Q1 Hello, My customer has some questions about BUS voltage when IN and EN are off and BUS is driven at 5V. This scenario is like, connecting a Type A mobile battery to TPS25831-Q1 through Type-A to Type-C cable. Q1: At the above…
    • Resolved
    • Answered

  • TPS25831-Q1: About resistance value of CC1 and CC2 at Enable is OFF

    Resolved
    Part Number: TPS25831-Q1 Hi Team, I have two questions. ------- [Q1] I would like to know the actual resistance value between CCx(CC1/2) and GND. Could you please let us know if you have any information? [Q2] If the TPS25831-Q1 is turned off with the…
    • Resolved
    • Answered

  • TPS25831-Q1: TPS25830-Q1 and TPS25831-Q1 difference in DCDC spec

    Resolved
    Part Number: TPS25831-Q1 Other Parts Discussed in Thread: TPS25830-Q1 , Hello Team, Thanks for your support. I understood the TPS25830-Q1 is for SDP/CDP, and TPS25831-Q1 is for DCP application. Is there any difference about DCDC converter spec? Regards…
    • Resolved

  • TPS25831-Q1: Not generating 5V

    TI Thinks Resolved
    Part Number: TPS25831-Q1 I'm using a TPS25831 in my design, but it is not behaving as expected. It isn't generating the 5V output when a device is attached to the USB-C connector. I've got it configured in DCP mode. With no device attached…
    • Answered

  • TPS25831-Q1: MFi over-current limit compliant

    Resolved
    Part Number: TPS25831-Q1 Hello support team, We are considering using TPS25830 and TPS25831, so we have two questions about these ICs. (1) Do these ICs support the MFi OCP spec? You said they can support it in a previous thread, but we're wondering if…
    • Resolved

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