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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] TPS7H2201-SEP: Failure of IC during load current testing

    Part Number: TPS7H2201-SEP Other Parts Discussed in Thread: TPS7H2201EVM Hello, On both units VIN measures as a short to GND, while VOUT is clean to both VIN and GND. The second unit has degraded progressively and now draws around 700 mA at VIN with…

  • [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…

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