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Frequent questions

  • [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 LDO…

  • [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…

  • [FAQ] BQ76952: What is the default output of PDSG/PCHG when pre-discharge and pre-charge is enabled

    Part Number: BQ76952 Hi team, What is the output voltage for PDSG and PCHG when pre-discharge and pre-charge are all enabled? Could you help to explain below EC table? I am confused the output voltage? If PCHG or PDSG is off, what would these two…

  • [FAQ] BQ76952: Connecting battery cells to the BQ769x2 family of monitors

    Other Parts Discussed in Thread: BQ76952 , BQ76942 How should I connect battery cells to the BQ769x2 family of monitors?

  • [FAQ] BQ76952: What is the difference between OCD1, OCD2, OCD3 and SCD?

    Part Number: BQ76952 What is the difference between the different discharge current protections, OCD1, OCD2, OCD3 and SCD?

  • [FAQ] TPS62125: TPS62125 Inverting Buck-Boost Application Risk

    Part Number: TPS62125 Other Parts Discussed in Thread: TPS629206 , TPS629210 , TPS629203 , Hi, The TPS62125 configured as inverting buck-boost application is very risky. We strongly recommend using our new generation buck converter TPS629203 or -Q1 family…

  • [FAQ] EV2400: Why is EV2400 not supported by all software from TI? Can you support it in any specific software?

    Part Number: EV2400 Other Parts Discussed in Thread: BQPRODUCTION-SINGLECELL , BQPRODUCTION , BQ-HI-PRODUCTION , Can you add support for EV2400 in BQPRODUCTION-SINGLECELL / BQ-HI-PRODUCTION / BQPRODUCTION software?

  • [FAQ] REF35: Precision current source with REF35

    Part Number: REF35 Hello, I like the precision, low drift and low power consumption of REF35 as a voltage reference. Is it possible to use this device as a precision constant current source or reference? Thanks.

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