Frequent Questions

  • [FAQ] TPS23861 PoE PSE Controller: PSE to PSE Connection Concerns

    Part Number: TPS23861 Hello if customer use TPS23861 that PSE connect to another PSE via cable. Has any damage risk for it? Has any protection integrated on TPS23861? Thank you. BR Patrick

  • [FAQ] Are there voltage level translation / level shifter device recommendations for the industry standard interfaces like GPIO, SPI, UART, I2C, MDIO, RGMII, I2S etc?

    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ Here are the voltage level translation device recommendations for various industry standard interfaces: Interface Recommended Device 3.6V Maximum 5.5V Maximum…

  • [FAQ] TPS23754: Is 24V PoE input supported?

    Part Number: TPS23754 Hi Team, 1. Can TPS23754 support "passive POE input" down to 24V? 2.also recommend any transformer for 24Vin. Condition: 25W/24Vin-57Vin thanks a lot!

  • [FAQ] CCS: What does the debugger message "Can't find a source file at" or "No source available" mean?

    Tool/software: Code Composer Studio When debugging my project CCS reports the message: "Can't find a source file at ..." or "No source available for ..." in the editor view. What does it mean?

  • [FAQ] CCS: Getting Started, Training, User's Guides and Documentation Resources

    Tool/software: Code Composer Studio Where can I find documentation, training and other resources on Code Composer Studio (CCS)?

  • [FAQ] CCS: Why am I getting a "data verification error" when I load my program?

    Tool/software: Code Composer Studio Why am I getting a "data verification error" when I load my program? How do I resolve such errors as shown below? Example #1: CortexA15_0: File Loader: Verification failed: Values at address 0x00000020 do…

  • [FAQ] TPS65381A-Q1: Is there a Hercules / TMS570 software library for the TPS65381A-Q1?

    Part Number: TPS65381A-Q1 Is there a Hercules / TMS570 software library for the TPS65381A-Q1?

  • [FAQ] TPS659037: package and pin assign information

    Part Number: TPS659037 Hello E2E, Our customer is designing next new product for using the TPS6590376. I suggested to customer for change the PMIC from TPS6590376 to TPS6590378. However, I did not to finde the explain document for difference point…

  • [FAQ] PoE PD Controllers: What is the purpose of the isolation capacitor (Cio) between RTN and isolated output ground?

    Part Number: TPS23751 Other Parts Discussed in Thread: TPS23755EVM-894 What is the purpose of Cio in figure 32 of the TPS23751 datasheet? I have a noise problem at a specific frequency and it appears to be related to my layout of the POE circuit.…

  • [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…

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