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  • BQ40Z50: BQ40Z50 2s1p implementation questions

    Part Number: BQ40Z50 Hi my customer is looking for the answers to a few questions regarding their use of the BQ40Z50. First I wanted to confirm the latest FW is R5.05 and wanted to know what the major changes are between R2 and R5 as my customer is…

  • BQ40Z50: Request of BQ40Z50-R3 to BQ40Z50-R4 Change List

    Part Number: BQ40Z50 Hi Team, Can you share BQ40Z50-R3 to BQ40Z50-R4 Change List? I would like to upgrade from R3 to R5 but only R4 to R5 change list could be found and ti.com

  • BQ40Z50-R2: BQ40Z50-R2 CB PF details

    Part Number: BQ40Z50-R2 To whom it may concern: We are still working on the CB. Now it can be triggered, but with longer CB delta than it should be. (the previous post https://e2e.ti.com/support/power-management-group/power-management/f/power-management…

  • BQ40Z50-R2: Feedback on data anomaly of BQ40Z50

    Part Number: BQ40Z50-R2 Battery failure phenomenon: After being fully charged on the charger, the battery's power indicator light turns into a single flashing bar. Preliminary analysis: Using EV2300 for reading, it was discovered that the battery impedance…

  • BQ40Z50-R2: Submit cells to create a new chem ID, bq40z50

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Hello, We don't have a local TI representative. Could you help initiate the process to send cells to TI for creating a new chemID? Regards, J

  • BQ40Z50-R1: fuse on the BQ40Z50 keeps blowing

    Part Number: BQ40Z50-R1 The customer read out the parameters from a known-good battery pack and intends to write them into a batch of battery packs, then run a learning cycle on the batch. However, every time the learning cycle starts, the BQ40Z50-R1…

  • BQ40Z50-R1: BQ40Z50 R1

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ40Z50 How to modify the BQ40Z50 broadcast address? Which register needs to be modified?

  • BQ40Z50-R2: BQ40Z50-R2 v2.11 firmware bundle

    Part Number: BQ40Z50-R2 Please provide the official BQ40Z50-R2 v2.11 firmware bundle, historically distributed as SLUC649, including the default v2.11 SREC and matching 4500_2_11-bq40z50R2.bqz file.

  • BQ40Z50-R2: Battery Health (SOH) Estimation in Degraded Packs Using BQ40Z50

    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 Hi, We are using BQ40Z50-R4 in our battery packs. Few of our battery packs weere too old their capacity degraded to <50% of the design capacity. Observations: Design Capacity:…

  • BQ40Z50-R1: BQ40Z50-R1 does not power up reliably

    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ40Z50 When I connect my cell array to my BQ40Z50-R1 I'm not able to communicate with it over the SMBus & the PBI is at 0V. If I apply a voltage (~5V) to the to the PACK side, then PBI voltage…

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