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Frequent questions

  • [FAQ] Isolated Gate Drivers: Why Does OUTH Have A Higher Effective Resistance Compared To OUTL?

    Other Parts Discussed in Thread: UCC53X0S How does the hybrid pull-up structure impact the gate driver?

  • [FAQ] UCC53XX: Split Output vs Single Output for UCC53XX family

    Part Number: UCC5390 Other Parts Discussed in Thread: UCC53X0S What is the difference in the split and single output gate driver?

  • [FAQ] REF3325: REF3325: Alternative Device

    Part Number: REF3325 Other Parts Discussed in Thread: REF35 Hello, Are there newer alternatives to the REF3325 family?

  • [FAQ] Can I Drive PMOS MOSFETs with TI's Half-Bridge Gate Drivers?

    Other Parts Discussed in Thread: UCC27284 , LM5111 When selecting a MOSFET, there are two different types that can be considered for either a low-side or high-side switch. There are NMOS and PMOS MOSFETs to select from. With an NMOS FET the source and the…

  • [FAQ] BQ34Z100-G1: BQ34Z100-G1 FAQs

    Part Number: BQ34Z100-G1 Other Parts Discussed in Thread: BQ34Z100 BQ34Z100-G1 FAQ Home Page This is the home page for common questions in relation to the BQ34Z100 and BQ34Z100-G1. FAQs Related FAQ home pages: Impedance Track FAQ home Page Design…

  • [FAQ] BQ34Z100-G1: How to Seal and Unseal

    Part Number: BQ34Z100-G1 Other Parts Discussed in Thread: BQSTUDIO The BQ34Z100-G1 provides three security modes that control data flash access permissions according to the table below: FULL ACCESS mode allows the BQ34Z100- G1 to directly transition…

  • [FAQ] BQ34Z100-G1: Data Accuracy Issues

    Part Number: BQ34Z100-G1 Other Parts Discussed in Thread: BQSTUDIO ADC measurements are taken only once per second. Due to this it is recommended data only be read at a 1Hz rate. The firmware is not designed to be read from at a rate faster than 1 second…

  • [FAQ] BQ34Z100-G1: Not able to access data(read/write)

    Part Number: BQ34Z100-G1 When trying to read/write ensure that the gauge is not in sealed mode as you do not have access to the data flash in this mode. Additionally, if the voltage falls below the Flash Update OK voltage parameter the gauge will not…

  • [FAQ] BQ34Z100-G1: General Timing Recommendations for I2C

    Part Number: BQ34Z100-G1 When a host system requests updates, it must factor in the flash update times associated with the gauges firmware. The gauge firmware ACKs a properly received data flash write request. This has the effect to immediately release…

  • [FAQ] BQ34Z100-G1: How fast does the gauge update current and voltage registers?

    Part Number: BQ34Z100-G1 The register update frequency is based on power mode. In Normal mode the gauge should update these registers every second. For sleep mode the update time can be up to 20 seconds. However, the gauge is accumulating current totals…

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