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Frequent questions

  • [FAQ] TPS23861: Reset rise/fall timing spec. of reset pin (PoE PSE Startup Guidelines)

    Part Number: TPS23861 Hello Does TPS28861 have any rise/fall timing specification of reset pin? Thank you. BR Patrick

  • [FAQ] PoE PD Controllers: Operation above 57V

    Part Number: TPS2375 Hi, Does TPS2375 have over voltage protection? If no, when VDD goes to above 57V, what is the operation of TPS2375? Is it turned off? If yes, can I call it over voltage protection? Thanks.

  • [FAQ] BQ24040 and BQ2404X family Charge Complete Pin Behavior, /CHG

    Other Parts Discussed in Thread: BQ24090 , BQ25100 , BQ21040 , BQ24050 , BQ24040 The BQ2404X family of charger has a charge complete pin, /CHG to indicate charge in progress or complete. But under some conditions the battery charge has stopped (no current…

  • [FAQ] LP8860-Q1: Combined Output Operation and Diagnostics

    Part Number: LP8860-Q1 Hello, Background: LP8860-Q1 is operated with all outputs (OUT1 - OUT4) shorted together to maximize LED current up to 600 mA. 8 LEDs are operated in series with Vf between 2.75V and 3.5V for each LED. Questions: 1) What…

  • [FAQ] PoE PD Controllers: What is the difference between TPS23753A and TPS23753?

    Part Number: TPS23753 Hi team, i want to check which condition, the TPS23753 cannot replace TPS23753A. I have seen the ESD from the first page. But don't know how to understand it. Could you please help describe it more detail？ And how to convince…

  • [FAQ] PoE PD Controllers: Why am I failing Ppeak during inrush?

    Part Number: TPS23751 Hi Sir, I am exceeding Type 1 Ppeak (13W) during inrush current. Do you have any suggestion to avoid this issue? Bogey

  • [FAQ] TPS65381A-Q1: Can the VDD1_SENSE pin be used to monitor another regulator output if VDD1 LDO controller isn't used in the application?

    Part Number: TPS65381A-Q1 Other Parts Discussed in Thread: TMS570LS0432 , TPS57160-Q1 , TPS653851A-Q1 , TPS62170 , RM41L232 For several reasons various applications may need to use a regulator that isn't integrated in the TPS65381A-Q1 or the VDD1 LDO…

  • [FAQ] TPS65218: difference between TPS65218B1 and D0

    Part Number: TPS65218 customer building a board with AM4 Sitara series and on the reference board it has TPS65218. the TPS65218B is NRND on Ti.com and there is D0 version. please help to elaborate on the difference between TPS65218B and TPS65128D0…

  • [FAQ] LP8733-Q1: Is there any difference about LP8733-Q1, LP87332D-Q1 and LP88332A-Q1?

    Part Number: LP8733-Q1 Other Parts Discussed in Thread: LP87332D-Q1 , , LP87332D , LP8733 Dears: Is there any difference about LP8733-Q1, LP87332D-Q1 and LP88332A-Q1? Since from datasheet I can not find the difference. Pls. kindly give some advice…

  • [FAQ] PoE: How will IEEE 802.3bt PD solutions (TPS2373, TPS2372) interoperate with non-standard PSEs?

    Part Number: TPS2373 Other Parts Discussed in Thread: TPS2372 Hi team, Our customer evaluated TPS2373 EVM and meet some issue, they use PLANET (PoE-171A-95) 802.3bt PoE injector test EVM and find below message, " The TPS2372 is also able to interoperate…

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