Answered

• BQ78350: BQ78350 BQ76920

  

  Haoyu Liu

  Resolved

  Part Number: BQ78350 Tool/software: Dear, Could you please help me check the shutdown activation circuit of the High-Side Protection Switching Using N-Channel MOSFETs？ 1. May I ask if the voltage of the battery cell can be charged and activated if it…

  • Resolved

  • 18 days ago
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• BQ76920: Voltage reading error in parallel battery cells

  

  Huseyin Kahraman

  Part Number: BQ76920 Tool/software: Hi Team Does anyone experience issues with BQ76920 series ICs when using two parallel battery packs with separate BQ76920 ICs, where removing a cell from one pack still shows a same voltage reading on the removed…

  • 9 days ago
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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

  • 1 month ago
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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

  • 1 month 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

  • 1 month 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

  • 1 month 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

  • 2 months 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…

  • 3 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

  • 8 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…

  • 5 months ago
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