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  • BQ40Z50-R1: need .srec file to update BQ40Z50 from R1 to R3;

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Dear TI support Team can you share the R3 version .srec file for my customer? they want to upgrade R1 to R3 by import .srec file. emphasize again, need .srec file ,not .exe install file. thanks.
    • Answered

  • BQ40Z50-R1: Received 0x17171717 when reading SafetyStatus()

    Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ40Z50 While charging a battery pack which utilizes the bq40z50 we received 0x17171717 when reading the SafetyStatus register. This only happened once. Our application reads several registers from…
    • Resolved

  • BQ40Z50-R1: Keeping TCA bit set even after charging has stopped

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ20Z70 , , BQ40Z50 , BQ20Z80 Hi, For one of our customers, we have re-designed a long running legacy battery product from a BQ20z70 to a BQ40z50-R1. Due to the backward compatibility required between…

  • BQ40Z50-R1: BQ40z50-r1 Learning Cycle

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQSTUDIO Hi We have designed a 3S2P battery pack using BQ40Z50-R1 In this we have done a learning cycle ,after the completion of learning cycle we found that the MAX Error is Still 3%. Again we…
    • Answered

  • BQ40Z50-R1: PCHG, CHG and DCG FETs not toggling?

    Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: EV2400 , BQSTUDIO I'm trying to toggle PCHG (0x001E) , CHG (0x001F) and DSG (0x0020) but nothing changes in ManufacturerAccess() 0x0057 or OpersationStatus() 0x0054. This is status of my OpersationStatus…
    • Resolved
    • Answered

  • BQ40Z50-R1: Control FET through SW and CHG FET Toggle?

    Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: EV2400 So I was trying to control FETs through SW (13.1.18 ManufacturerAccess() 0x0022 FET Control) and then toggle CHG FET (13.1.15 ManufacturerAccess() 0x001F CHG FET Toggle). For that I put device…
    • Resolved
    • Answered

  • BQ40Z50-R1: Change Smbus address

    Resolved
    Part Number: BQ40Z50-R1 Hello, I want to change the SmBus address without Battery Mangement Studio. I do not understand, how to read / write the address ? Perhaps somebody can give me a hint / short example ? Thanks for your help.
    • Resolved

  • BQ40Z50-R1: Some weild appearance about BQ40Z50R1, what is your suggestion?

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Hello: We 100wh bettery use BQ40Z50R1, various problems here and there, and months ago I had submitted a case on E2E, and got kind response from waytte, Now two failure analysis report as attached file, please review; …

  • BQ40Z50-R1: PACK Pin Voltage low & FUSE Bit On issues

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQSTUDIO , BQ40Z50 Hello, Would appreciate your help with a couple of issues in some of our recent production batteries with a BMS with BQ40Z50-R1. Seemingly randomly, in a few batteries, after some…

  • BQ40Z50-R1: Drive MOS Capability

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Hi, I have two questions. 1. What is the driving current of DSG and CHG, and how many pairs of MOS can be supported. 2. My continuous current is 25A, I don't want to scale the current. Can I set both OCD1 and OCD2 to 32A/5S? …

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