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Frequent questions

  • [FAQ] UCC27282: Determining the Minimum On-Time of the Low-Side Transistor

    Part Number: UCC27282 This FAQ addresses the necessary minimum on-time for the low-side transistor to achieve proper operation in half-bridge gate drivers

  • [FAQ] UCC27282: How to Correctly Size the Bootstrap Capacitor for Half-Bridge Gate Drivers

    Part Number: UCC27282 Other Parts Discussed in Thread: UCC27211 This FAQ discusses the proper way to size the bootstrap capacitor for half-bridge gate drivers

  • [FAQ] TPS23881: Why are my Type 3 PSE controllers not SIFOS AT compliant?

    Part Number: TPS23881 Other Parts Discussed in Thread: TPS23882 Why are my Type 3 PSE controllers not SIFOS AT compliant? And how do I achieve compliance?

  • [FAQ] What are the most common PoE PSE System Software Solutions?

    What are the most common PoE PSE System Software Solutions? And what components do I need to support them?

  • [FAQ] BQ25890: Why does the PMID pin voltage dip during VBUS removal, transient to the OTG (on-the go-boost) mode for the BQ25890, BQ25890H, BQ25892, BQ25895, BQ25895M, BQ25896, BQ25898, BQ25898D, BQ24190, BQ24192, BQ24195, BQ24195L, BQ24196, BQ24295

    Part Number: BQ25890 Due to the OTG boost mode’s startup delay, PMID voltage may dip for a short period after VBUS is removed. Check the charger’s corresponding datasheet for the specific timing of the device being used. In general, it is in the range…

  • [FAQ] BQ25601: [FAQ] Why does PMID pin voltage dip during VBUS removal transient to OTG (on-the-go boost) mode for the BQ25618, BQ25618E, BQ25619, BQ25611D, BQ25616, BQ25600, BQ25600D, BQ25601, BQ25601D, BQ25606?

    Part Number: BQ25601 Due to the OTG boost mode’s startup delay, PMID voltage may dip for a short period after VBUS is removed. Check the charger’s corresponding datasheet for the specific timing of the device being used. In general, it is in the range…

  • [FAQ] BQ25890: Could TI provide the sample Linux driver for the BQ25890, BQ25890H, BQ25892, BQ25895, BQ25895M, BQ25896, BQ25898, BQ25898D, BQ24190, BQ24192, BQ24193, BQ24195, BQ24195L, BQ24196, BQ24295, BQ24296M, BQ24259?

    Part Number: BQ25890 Other Parts Discussed in Thread: BQ25898 , BQ25896 , BQ25895 , BQ25898D , BQ25892 , , , BQ25895M , BQ24195L , BQ24196 , BQ24195 , BQ24193 , BQ24192 , BQ24190 , BQ24296M , BQ24295 , BQ24259 Linux driver for the BQ25890, BQ25890H…

  • [FAQ] BQ25601: [FAQ] Could TI provide the sample Linux driver for the BQ25618, BQ25618E, BQ25619, BQ25611D, BQ25600, BQ25600D, BQ25601, BQ25601D?

    Part Number: BQ25601 Other Parts Discussed in Thread: BQ25619 , BQ25600 , , , BQ25600D , BQ25618E , BQ25618 , BQ25611D The sample Linux driver for BQ25618, BQ25618E, BQ25619, BQ25611D, BQ25600, BQ25600D, BQ25601, BQ25601D is located here: www.ti.com…

  • [FAQ] TPS2121: How do I Achieve a Seamless Power Switchover using TI’s Power Mux Devices

    Part Number: TPS2121 Other Parts Discussed in Thread: TPS2116 , Redundant power is critical in systems that require uninterrupted sources of power. To complement this redundancy, a power selection and transition between multiple sources needs to be made…

  • [FAQ] BQ25792: Why does the SYS output of the evaluation module (EVM) collapse when no battery (or battery simulator) is attached to the BAT pins?

    Part Number: BQ25792 The EVMs are configured to simulate working with a battery with a thermistor. When the battery is removed but the simulated thermistor is still present, the charger continues to change the BAT as a battery is present. The charger…

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