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Frequent questions

  • [FAQ]How to design PSE port polarity to be IEEE802.3bt compliant

    Part Number: TPS23880 Hi! I'm testing this new EVM with several different PDs on it's 2-pair and 4-pair outputs. Single signature on 4-pair works and turns on signal and spare pairs. However dual-signature on 4-pair only spare pair turns on, and…

  • [FAQ] TPS65381A-Q1: Is there a power estimator for the TPS65381A-Q1?

    Part Number: TPS65381A-Q1 Is there a power estimator for the TPS65381A-Q1?

  • [FAQ] TPS23880: How to update TPS23880 firmware and how to detect what firmware version I am currently running?

    Part Number: TPS23880 How to update TPS23880 firmware and how to detect what firmware version I am currently running?

  • [FAQ] UCC5310: App note describing about Miller clamp feature

    Part Number: UCC5310 Hi Team, Do you have any app note describing Miller clamp feature? I especially want to know following two points. 1. What is Miller clamp? 2. how does our Miller clamp function work? Regards, Takashi Onawa

  • [FAQ] TPS65381A-Q1: Is there example code to calculate the answer-bytes for the Q&A watchdog?

    Part Number: TPS65381A-Q1 Other Parts Discussed in Thread: TPS65381-Q1 Is there example code to calculate the answer-bytes for the Q&A watchdog in the device or should a look up table be used?

  • [FAQ] TPS65381A-Q1: Tool to calculate the watchdog and MCU ESM settings and validate their timing with respect to the MCU programmed timing?

    Part Number: TPS65381A-Q1 Is there a tool to calculate the watchdog and MCU ESM settings and validate their timing with respect to the MCU programmed timing?

  • [FAQ] BQ34Z100-G1: How do I set up the BQ34Z100-G1 for gauging with Lead Acid ( PbA )?

    Part Number: BQ34Z100-G1 To quickly begin communicating with the gauge, please follow this quickstart guide: www.ti.com/.../sluubv2 This will get you up and running with 4 V. Set FLASH UPDATE OK VOLTAGE = 1000 mV After communication has been established…

  • [FAQ] TLV733P: ESR and load cap restriction to keep stable operation

    Part Number: TLV733P Hi Team, One quick question. How large cap and its ESR is allowed as Cout for TLV733? Fundamentally, that's information is important to keep its output stable for P type LDO but there is no description in datasheet. Or N-DMOS…

  • [FAQ] BQ24196: how to calculate the total charging time for a 2000mAh battery

    Part Number: BQ24196 Other Parts Discussed in Thread: BQ27426 How to quantitatively calculate the total charging time for a 2000mAh battery. Especially, how to figure out the battery SOC of the turning point from CC mode to CV mode. What's more, how…

  • [FAQ] TPS23753: About TPS23753 to 12V output 48V voltage instability

    Part Number: TPS23753 Other Parts Discussed in Thread: PMP8803 I borrowed from the original circuit using TPS23753 to 5V output, I want to change to 12V output, the original circuit is as shown below, the reference circuit is shown in Figure 2 or the…

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