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Frequent questions

  • [FAQ] BQ25720: When an adapter is connected, is there any way to stop charging and switch to battery operation?

    Part Number: BQ25720 LEARN mode allows the battery to discharge while the adapter is present. It calibrates the battery gas gauge over a complete discharge/charge cycle. To enter learn mode, set the register bit EN_LEARN =1, the buck-boost converter…

  • [FAQ] TPS2660: Shutdown pin and AVDD details

    Part Number: TPS2660 Can you share internal structure details of SHDN/ pin ?

  • [FAQ] TPS2663: What is the difference between TPS26633 and TPS26636 ?

    Part Number: TPS2663 What is the difference between TPS26633 and TPS26636 ?

  • [FAQ] BQ25731: Could I replace BQ25731 with BQ25730 in non-power-path applications?

    Part Number: BQ25731 Other Parts Discussed in Thread: BQ25730 , BQ25730 and BQ25731 are buck-boost charge controllers, with same package, same pinout and similar functions. BQ25731 is specially designed for non-power-path applications. No battery MOSFET…

  • [FAQ] BQ25710: Will BQ25710 keep the old register settings after power off?

    Part Number: BQ25710 Other than flash memory (EEPROM) based digital devices, BQ25710 uses digital flip-flops as register memory. BQ25710 register is fast to read and write, and has no limitation on number of write cycles. During power on, BQ25710…

  • [FAQ] BQ25700A: My adapter input voltage is always higher than the battery voltage, could I run BQ25700A in buck only mode?

    Part Number: BQ25700A Other Parts Discussed in Thread: BQ24800 , BQ24780S No, we can’t. The BQ25700A buck-boost charge controller utilizes all four switches during start up and light load conditions. BQ25700A won’t start up properly if two boost leg…

  • [FAQ] TPS2640 TPS2660: How to recover fast during supply line interruptions ?

    Part Number: TPS2640 Other Parts Discussed in Thread: TPS2663 , TPS2660 How to recover fast during supply line interruptions ?

  • [FAQ] TPS2660: How much time does the eFuse takes to thermal shutdown during overcurrent fault ?

    Part Number: TPS2660 How much time does the eFuse takes to thermal shutdown during overcurrent fault ?

  • [FAQ] Powering FPGAs which require large input capacitance

    How to ensure loop stability for our devices when powering FPGAs which require large input capacitance typically?

  • [FAQ] More information needed about Multi-function Pins and their Applications in TI Step-down Converters

    Other Parts Discussed in Thread: TPS62864 , TPS62800 , TPS62865 What are the advantages of multi-function pins and how do I best design my application using multi-function pins (VSET/VID for TPS62864/6/8/9, VSET/MODE for TPS62865/7 and VSEL/MODE for TPS62800…

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