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Frequent questions

  • [FAQ] BQ25188: TS Pin Operation and JEITA Battery Temperature Monitoring

    Part Number: BQ25188 Other Parts Discussed in Thread: BQ25185 TS pin operation The BQ2518x uses an internal 38uA current source on the TS pin to bias the NTC thermistor, and the resulting TS voltage is compared against internal reference voltage thresholds…

  • [FAQ] BQ25188: Registers Reset to Default Values

    Part Number: BQ25188 Why do the registers reset to their default values? The BQ2518x resets its R/W registers to the default values whenever a reset condition occurs. This can happen due to watchdog timers, power-on reset (POR), or a software-initiated…

  • [FAQ] BQ25188: Power Dissipation and Efficiency

    Part Number: BQ25188 Power Dissipation The BQ2518x is a linear charger with power path. Power path is a feature that allows the BQ2518x to power the system from the input source while simultaneously charging the battery. The back-to-back input FETs…

  • [FAQ] TI-CHARGER-GUI: USB2ANY Failed to Connect Error

    Part Number: TI-CHARGER-GUI Other Parts Discussed in Thread: USB2ANY The "Failed to Connect" error typically indicates that the USB2ANY firmware needs to be updated. In most cases, re-flashing the USB2ANY firmware to version 2.9.0.3 resolves the issue…

  • [FAQ] UCC27735-Q1: How can I build a circuit to generate a negative turn-off voltage?

    Part Number: UCC27735-Q1 Other Parts Discussed in Thread: UCC27624 , UCC27735 , UCC27301A , UCC27734 In Fundamentals of Gate Drivers section 6, there is a description of how to use AC coupling to create a negative gate voltage. Wide-bandgap devices…

  • [FAQ] BQ24810: BQ24810 Schematic Checklist

    Part Number: BQ24810 Other Parts Discussed in Thread: BQ24800 , BQ24780S Hello Everyone, Please refer to the schematic checklist for BQ24780s/BQ24800/BQ24810 BQ24780s_BQ24800_BQ24810SchematicChecklist.pdf Best Regards, Christian.

  • [FAQ] BQ25773: How To Modify the GM_Adjust And Autotune Register based on Inductor Selection

    Part Number: BQ25773 Other Parts Discussed in Thread: BQSTUDIO , Hello Everyone, The purpose of the GM_ADJUST_FORCE and Autotune_FORCE register is to inform the charger of the effective inductance and DCR so it can optimize loop compensation for stable…

  • [FAQ] BQ25770G: How To Modify the GM_Adjust And Autotune Register based on Inductor Selection

    Part Number: BQ25770G Other Parts Discussed in Thread: BQSTUDIO Hello Everyone, The purpose of the GM_ADJUST_FORCE and Autotune_FORCE register is to inform the charger of the effective inductance and DCR so it can optimize loop compensation for…

  • [FAQ] TPS922051: How to design the shunt resistor Rlk_comp for TPS922051/0

    Part Number: TPS922051 How to design the shunt resistor Rlk_comp for TPS922051/0

  • [FAQ] TPS922051: How to design compensation capacitor for TPS922051/0?

    Part Number: TPS922051 How to design the compensation capacitor for TPS922051/0?

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