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Frequent questions

  • [FAQ] BQ76942: Stacking solutions for BQ769x2

    Part Number: BQ76942 Other Parts Discussed in Thread: BQ76952 , Does TI have any reference designs for stacking BQ769x2 devices?

  • [FAQ] TPS65910: Is the device EEPROM reprogrammable by customer to meet particular application needs?

    Part Number: TPS65910 The TPS65910 EEPROM is programmed ONLY in the factory during production. The following documents (Snapshot from datasheet page96) describe the TPS65910 device use cases for particular processor by every variant. Copies of these…

  • [FAQ] LP8758-E0EVM: Understand better about LP8758 different phase configuration variants

    Part Number: LP8758-E0EVM Other Parts Discussed in Thread: LP8758 This Application Report provides more details about the different phase configuration variants of the LP8758 device. Please feel free to ask any questions about the device for your application…

  • [FAQ] TPS65023: TPS65023, TPS65023B Software Resources for Register Configuration

    Part Number: TPS65023 Other Parts Discussed in Thread: , IPG-UI This thread applies to the TPS65023 and TPS65023B devices. When evaluating the TPS65023 or TPS65023B device using their respective evaluation module the most up to date software tool…

  • [FAQ] TPS650861: Evaluating the User programmable TPS650861

    Part Number: TPS650861 When evaluating the TPS650861 device with the EVM, BOOSTXL-TPS650861, or a custom board it is important to first program the device using the OTP generator tool, which can be found on the product page on TI.com and linked below…

  • [FAQ] TPS65381A-Q1: TPS65381-Q1, TPS65381A-Q1: How to Monitor an External Regulator using TPS65381x-Q1 devices

    Part Number: TPS65381A-Q1 Other Parts Discussed in Thread: TPS65381-Q1 This thread applies to all TPS65381-Q1 and TPS65381A-Q1 devices. The VDD1 LDO controller feedback pin (VDD1_SENSE) can be used to monitor an external voltage regulator (for example…

  • [FAQ] What is the procedure to program the SHA-1 secure key?

    Other Parts Discussed in Thread: BQ40Z50-R2 The BQ40Z50-R4, BQ40Z50-R3, and BQ40Z50-R2 have the option to choose the secure memory location for SHA-1 authentication. To program the SHA-1 key into secure memory a specific sequence of commands is required…

  • [FAQ] TPS65381A-Q1: TPS65381-Q1, TPS65381A-Q1: How to Pick Feedback Resistor Values for the VDD1 LDO Controller

    Part Number: TPS65381A-Q1 Other Parts Discussed in Thread: TPS65381-Q1 This thread applies to all TPS65381-Q1 and TPS65381A-Q1 devices. When designing a system with these devices it is important to select the correct feedback resistors for the VDD1…

  • [FAQ] TPS65910: How to handle unused pins for those regulators not used?

    Part Number: TPS65910 Please follow the document linked here ; it's named "TPS65910x Schematic Checklist (Rev. B)". Please let's know if you have further questions. Thanks! Phil

  • [FAQ] TPS565242: [FAQ] What is the difference between ECO mode and FCCM mode of buck converter?

    Part Number: TPS565242 Other Parts Discussed in Thread: TPS564247 Nowadays, ECO mode and FCCM mode are the most popular 2 operation mode of a buck converter. This FAQ will make a sample explanation about this operation mode, help user make a proper decision…

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