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Frequent questions

  • [FAQ] BQ2518xEVM: Where is the .bqz file? Can the EVM be used with the EV2400 and bqStudio?

    Part Number: BQ25188EVM Other Parts Discussed in Thread: BQSTUDIO , EV2400 , BQ25188 , BQ25186 , BQ21088 The BQ2518x EVM can be used with the EV2400 and bqStudio. Connect the SDA, SCL, and GND pins on the EVM to the corresponding pins on the EV2400…

  • [FAQ] BQ2518x FAQs

    Other Parts Discussed in Thread: BQ25186 , BQ21088 , BQ25180 , BQ25188 , BQ25185 , BQ21080 BQ2518x FAQ Home Page This home page is for common questions in relation to the BQ25188, BQ21088, BQ25185, BQ25186, BQ25180, and BQ21088. FAQs ----…

  • [FAQ] BQ2518x: How does the TS pin work for 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] BQ2518x: Why are the registers resetting to the default values?

    Part Number: BQ25188 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 reset. Watchdog timer The BQ2518x includes a…

  • [FAQ] BQ2518x: How do I calculate power dissipation and efficiency? How do I minimize power dissipation?

    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: How do I fix the 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…

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