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Frequent questions

  • [FAQ] REF54: Operating temperature range VS specified temperature range

    Part Number: REF54 Tool/software: The “C” version specifies 0°C-70°C in the device comparison table but the operating temperature in the datasheet is specified as -40°C to 125°C. What is the 0°C-70°C meant to represent if not the operating…

  • [FAQ] TPS1H100-Q1: Calculating Current Limit & Junction Temperature in H, HB, & HC family High-Side Power Switches

    Part Number: TPS1H100-Q1 Tool/software: The H, HB, and HC families of high-side power switch devices implement current limit by the placement of a resistor (R ILIM ) in external circuitry connected to the chip, and the current limit can be adjusted by the…

  • [FAQ] How do I use the online GUI thermistor calculator?

    Overview: In many applications the recommended Semitec 103AT-2 thermistor can be used, or a thermistor with the same specifications may be used. When the 103AT-2 is used or other thermistor with the same specifications, the temperature ranges in the…

  • [FAQ] BQ25770: Schematic Review

    Part Number: BQ25770 Tool/software: Hi Team, Would you help me to review this BQ25770REER Schematic for customer? Thanks! Best Regards, Thomas Luo

  • [FAQ] BQ25820EVM: BQ25820: Schematic and Layout Checklist

    Part Number: BQ25820EVM Other Parts Discussed in Thread: BQ25820 Tool/software: Hello all, Here is the BQ25820 Schematic and Layout Checklist: BQ25820_Schematic_And_Layout_Checklist NEW.pdf Best Regards, Christian Moyer

  • [FAQ] BQ25820EVM: [FAQ] BQ25820: BQZ File For BQStudio

    Part Number: BQ25820EVM Other Parts Discussed in Thread: BQ25820 , BQSTUDIO Tool/software: Hello, Here is a link to the BQ25820 BQZ file: Charger_1_00-bq25820.bqz To install this bqz file, download the file and move it to the config folder of the BQStudio…

  • [FAQ] BQ79631-Q1: What's the meaning of "MISC"?

    Part Number: BQ79631-Q1 Tool/software: Hello, I'm reading the datasheet of BQ79631-Q1, and there is a question about AUX ADC measurements. I see AUX ADC operate MISC measurements including some internal reference voltages. But I couldn't find the full…

  • [FAQ] UCC27311A-Q1: Using a high-side or half-bridge gate driver as a low-side gate driver

    Part Number: UCC27311A-Q1 Tool/software: What are the considerations for using the high-side output of a half-bridge gate driver as a low-side gate driver? When utilizing a half-bridge driver in a typical half-bridge configuration, an internal level…

  • [FAQ] UCC27301A-Q1: Gate drivers for automotive mobile device wireless charging

    Part Number: UCC27301A-Q1 Other Parts Discussed in Thread: UCC27282-Q1 Tool/software: Wireless charging for mobile devices in automobiles is a common and convenient feature. These chargers are typically powered from the 12V battery system but in some…

  • [FAQ] BQ25750: What do I need to know about the BQ25750 power path switchover?

    Part Number: BQ25750 Tool/software: By default, the BQ25750 has an automatic power path switchover. When the VAC power is out the of range set by the ACUV/ACOV resistors, system power will change to VBAT. When VAC is in range again, system power will…

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