Answered

• BQ76920: Accuracy of Cell Voltage Measurements

  

  Niklas Baumgartner

  Resolved

  Part Number: BQ76920 Tool/software: Hello, I am currently using the BQ76920 AFE in my BMS design. I was able to replicate the Cell Voltage Error Curve quiet similar to the one that is in the datasheet: My question now is, why is the first channel VC1…

  • Resolved

  • 15 days ago
  • Power management
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Answered

• BQ76920: REGSRC Capacitor Size to Adequately Drive Parallel FETs

  

  Alec Fremier

  Resolved

  Part Number: BQ76920 Tool/software: Am I right to consider the capacitor across the REGSRC pin and VSS as a bootstrap capacitor for enabling the FETs? Right now, I have 1uF and 4.7 uF across REGSRC to VSS. Currently, my design has 10 CFETs in parallel…

  • Resolved

  • 12 days ago
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• RE: BQ34Z100-R2: BQ34Z100 + BQ76920 Feasibility for 3S2P Configuration

  

  Adrian

  Hi Tom, Yes, it should be possible to use the BQ34z100 and BQ76920 together. Regards, Adrian

  • 11 days ago
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Answered

• BQ76920: limit charge current on LifePo4 battery pack.

  

  FJ

  Resolved

  Part Number: BQ76920 Tool/software: I have an application where I need to charge a small LifePO4 12 volt pack (2Ah) (0.5C max charge) with a charger that can exceed the maximum charge rate. I cannot use separate charge/discharge terminals. I currently…

  • Resolved

  • 27 days ago
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Answered

• BQ76920: FMEA Documentation

  

  Dattatreya Roy

  Resolved

  Part Number: BQ76920 Other Parts Discussed in Thread: BQ76930 , BQ77PL900 , BQ76952 Tool/software: Hello, I would like to know if there is an FMEA or safety analysis documentation available for the following ICs - - BQ76920 - BQ76930 - BQ77PL…

  • Resolved

  • 1 month ago
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• BQ78350-R1A: Communication Problems with EVM2400 and BQ76920

  

  Niklas Baumgartner

  Part Number: BQ78350-R1A Other Parts Discussed in Thread: BQ76920 , , BQ78350 , BQ769200 Tool/software: Hello, I have designed a BMS using the BQ78350-R1A Controller and the BQ76920 AFE. I already asked a question, that is in some ways related to this topic…

  • 2 months ago
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Answered

• BQ76920: BQ76920 cell voltage disappears

  

  Basit Ali Khan

  Resolved

  Part Number: BQ76920 Hi, I am using BQ7692006PWR to fetch the cell voltages. But the cell voltage sometimes just disappears. Here are the register values:

  • Resolved

  • 7 months ago
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• BQ76920: Recommendation for a battery power monitoring chip

  

  Gustavo Martinez

  Part Number: BQ76920 Other Parts Discussed in Thread: BQ35100 , BQ76905 Tool/software: Hello, I would like to request a recommendation for a chip and an evaluation board for my battery use case. I will be using a NON-RECHARGEABLE ,lithium based, single…

  • 4 months ago
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• BQ76920: Circuit Design with and without BQ78350

  

  Niklas Baumgartner

  TI Thinks Resolved

  Part Number: BQ76920 Other Parts Discussed in Thread: BQ78350 Tool/software: Hello, I have a few questions regarding a BMS design in which we use a BQ76920 AFE. It shall also be used in conjunction with the BQ78350 Controller in one design and without…

  • 5 months ago
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• BQ76920: 03PW

  

  Apoorva K C

  TI Thinks Resolved

  Part Number: BQ76920 the Gain and Offset values of the BQ7692003 AFE controller, Are configured at the factory is expected to remain unchanged throughout the device's lifespan? or not? Is it any chance of changing during run time?

  • 6 months ago
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