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Frequent questions

  • [FAQ] BQ25853-Q1: BQZ File For BQStudio

    Part Number: BQ25853EVM Other Parts Discussed in Thread: BQ25853-Q1 , BQSTUDIO Hello, Here is a link to the BQ25853-Q1 BQZ file: Charger_1_00-bq25853.bqz To install this bqz file, download the file and move it to the config folder of the BQStudio…

  • [FAQ] TPS546E25: TPS546E25 Checksum has different value after Importing Script

    Part Number: TPS546E25 TPS546E25 Checksum has Different after Importing Script I export a script with checksum, but when I import into another device the checksum is not the same.

  • [FAQ] BQ25790: Why does BQ25790 SYS voltage collapse when no battery is connected?

    Part Number: BQ25790 Other Parts Discussed in Thread: BQ25798 With charge enabled (i.e. /CE pin=0 and no TS pin fault), the BQ25790 assumes a discharged battery pack is connected and attempts to close the pack protector for 1.5s by regulating BAT to…

  • [FAQ] TPS92912X-Q1, TPS929160-Q1, TPS929240-Q1 frequently asked questions and design consideration

    Part Number: TPS929120-Q1 Other Parts Discussed in Thread: TPS929240-Q1 , TPS929160-Q1 This home page is for common questions and design consideration in relation to the TPS92912x-Q1, TPS929160-Q1 and TPS929240-Q1. 1.How to set interval time between…

  • [FAQ] BQ25792: BQ25792 availability

    Part Number: BQ25792 BQ25792 is no longer on www.ti.com. Can I still order it? Are there plans for it to go EOL? Is there a replacement IC?

  • [FAQ] TIDA-050026-23881: Dynamic Power Management - Expected Behaviors

    Part Number: TIDA-050026-23881 One of the main challenges of designing a multi-port system is supporting all ports on a full load using a limited power supply. TI’s FirmPSE system-level firmware solution provides designers with various power supply…

  • [FAQ] LMx518x: What are the different products in LMx518x family and how they differ?

    Part Number: LM5180-Q1 Other Parts Discussed in Thread: LM25180 , LM5180 , LM25185 , LM5185 , LM5181 , LM25183 , LM25184 If you are going for PSR Flyback topology for power requirement of 1W to 50W, you can take these LMx518x devices into your design…

  • [FAQ] LMx518x: What are design considerations for Flyback transformer?

    Flyback transformers play a crucial role in Flyback topology design, Flyback topology requires coupled inductors with proper turns ratio, better magnetizing inductance and minimum leakage. Turns Ratio: Turns ratio must be selected considering recommended…

  • [FAQ] LMx518x: What is the maximum output power deliverable?

    Other Parts Discussed in Thread: LM5181 , LM25180 For converter parts (LM5181/0, LM25180/3/4), to calculate maximum output power, you can use these formulae: POWER DELIVERY CURVES Pout vs Vin for all variants on same graph at different turns ratio…

  • [FAQ] LMx518x: How to select Snubber circuits?

    Snubber circuits are designed to suppress voltage spikes, limit the rate of voltage and current changes, and protect switching devices from damage. It is recommended to use snubber circuits across SW and Vin, and across Flyback diode. Refer this technical…

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