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Frequent questions

  • [FAQ] BQ76952: What is the I2C device address of the BQ769x2 family?

    Part Number: BQ76952 What is the I2C device address of the BQ769x2 family?

  • [FAQ] BQ25882: How does JEITA apply to the BQ25882, BQ25883, BQ25886, and BQ25887 as it relates to charge voltage and charge current?

    Part Number: BQ25882 Other Parts Discussed in Thread: BQ25883 , BQ25887 , BQ25886 The JEITA guideline was released on April 20, 2007 to improve the safety of charging Li-ion batteries. Each of the chargers in this family have a TS pin, which is used with…

  • [FAQ] BQ76952: How to configure a multipurpose pin to work as a thermistor in the BQ769x2 family devices?

    Part Number: BQ76952 Other Parts Discussed in Thread: BQ769142 , BQ76942 , BQSTUDIO How to configure a multipurpose pin to work as a thermistor in the BQ769x2 (BQ76952, BQ76942, BQ769142) family devices?

  • [FAQ] BQ76952: How to configure the temperature model of BQ769x2 using the thermistor coefficient calculator tool?

    Part Number: BQ76952 Other Parts Discussed in Thread: BQSTUDIO How to configure the temperature model of BQ769x2 using the thermistor coefficient calculator tool?

  • [FAQ] How do I optimize an Impedance Track gauge for low temperatures?

    Other Parts Discussed in Thread: GPCRB , BQSTUDIO , EV2400 At temperatures at or below 0 º C the Impedance Track algorithm will require an extra step to improve the gauging accuracy. If low temperatures are expected in the end application this step will…

  • [FAQ] Power supply design with minimal space AM2431

    Other Parts Discussed in Thread: AM2431 , TPS65219 Hello, We are planning to design an Ethernet card using the AM2431 MCU. From the initial power analysis, the below voltage rails are required for the MCU and peripherals . Since we have a size constraint…

  • [FAQ] TPS6594-Q1: Gui Composer Firmware update fails.

    Part Number: TPS6594-Q1 When performing a GUI Composer Firmware update the following message appears: Without disconnecting the EVM from the PC, update the DFU driver with the driver found in this package: http://www.ti.com/lit/zip/sbac253 As…

  • [FAQ] BQ24105: Why does the battery charger's output voltage and current show several pulses before charge termination?

    Part Number: BQ24105 Other Parts Discussed in Thread: BQ24115 , BQ24171 , , BQ24125 , BQ24172 A block diagram of the BQ24171, BQ24172, BQ24105, BQ24115, BQ24125 connection to the battery is shown below: The charge current flowing across the resistances…

  • [FAQ] LM2105: Half-Bridge Gate Driver Minimum Current Calculator

    Part Number: LM2105 Hello, I wanted to attach a file to help calculate the minimum drive current needed for Half-Bridge gate drivers: Half Bridge Minimum Drive Current Calculator.xlsx This file will allow users to input their circuit parameters…

  • [FAQ] TPS546D24S: I have been using the TPS546D24A, now I see the TPS546D24S. What are the differences?

    Part Number: TPS546D24S Other Parts Discussed in Thread: TPS546D24A , , TPS546D24 , TPS546B24A , TPS546B24S , TPS546A24S , TPS546A24A I am have been using the TPS546D24A and now I see the TPS546D24S on-line, this brings up several questions? Is…

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