• BQ28Z610: BQ28Z610 Linux driver

    Part Number: BQ28Z610

    Hi Team,

    Would you help support the BQ28Z610 Linux driver?

  • BQ28Z610: BQ28Z610 reports OVP false

    Part Number: BQ28Z610

    Hi team

         My customer encountered a question about BQ28Z610 they used it for 2S pack. 

          1、Pack's voltage is 8.65V after fully charged,  they left Pack for more than 8 hours(don't plugged into the adapter, and no load), some Pack…

  • BQ28Z610: Some questions about BQ28Z610

    Part Number: BQ28Z610

    Dear Team,

    Our customer have some questions about BQ28Z610 as below, could you help to support it?

    1. If the battery only uses 1S, can VC1 and VC2 be connected to BAT+?

    2.  Do SDA and SCL have to put zener diodes? Are they necessary…

  • BQ25883: BQ25883 VBAT ADC REG1D & REG1E

    Part Number: BQ25883
    Other Parts Discussed in Thread: BQ28Z610, BQ40Z50,

    Hi TI Team,

       Our speakerphone product (with a woofer driver) would draw a highly significant pulse current load while a bass melody (drum, piano, cello etc.) playback is running (with…

  • BQ28Z610EVM-532: Dashboard can't work

    Part Number: BQ28Z610EVM-532
    Other Parts Discussed in Thread: BQSTUDIO

    Hello

    This is Reus From TI customer of Taiwan,  I have a question of the BQ28Z610EVM-532. When the demo board is connection with PC, the interface has show the demo board message. but in…

  • BQ40Z60EVM-578: SMBus Communication

    Part Number: BQ40Z60EVM-578
    Other Parts Discussed in Thread: BQSTUDIO, EV2400, BQ40Z60, BQ28Z610

    Hi Team,

    We have recently bought the product BQ40Z60EVM-578. We are not able to communicate with the device on SMBus. Device is not detecting on the BQ studio…

  • BQ28Z610EVM-532: Communication problem with ardiuno

    Part Number: BQ28Z610EVM-532
    Other Parts Discussed in Thread: BQ28Z610, BQSTUDIO, EV2400

    Hello,

    I am trying to use a BQ28Z610 EVM with an arduino, but I have a communication problem between the two devices.

    I just need to tell the battery manager the batterie…

  • BQ25792: Trickle charge won't go above ~2V

    Part Number: BQ25792
    Other Parts Discussed in Thread: BQ28Z610,

    I have exactly the same problem as this other thread which is now locked. Was this problem ever solved?

    https://e2e.ti.com/support/power-management-group/power-management/f/power-management…

  • BQPRODUCTION: bqProduction skips srec programming with bq28z610-r1

    Part Number: BQPRODUCTION
    Other Parts Discussed in Thread: BQ28Z610-R1, , BQ28Z610, BQSTUDIO, BQ78350

    Hello,

    i tried to program bq28z610-R1 with bqProduction and connected HPA495.

    1. Select 26_1_01-bq28z610R1.bqz Container, no Calibrationen marked, select…
  • BQ28Z610: BQ28Z610 schematic query

    Part Number: BQ28Z610

    Hi

    The customer design with BQ28Z610, when the battery charge full CMOS turn off, pack voltage 8.6V.

    Attached the schematic for your reference.

    The Source voltage of CHG MOS is 8.4V, the drain voltage of DSG MOS is 8.6V, and the…

  • BQPRODUCTION: Programming and calibrating of e.g. bq28z610-r1 in production without bqProduction or bqStudio

    Part Number: BQPRODUCTION
    Other Parts Discussed in Thread: EV2400

    Hello together,

    does anyone have experiance with programming and calibrating of TI Battery Managment IC in production? For small quantities there is a tool from TI called bqproduction, but…

  • BQ28Z610: Battery pack with Bq28Z610 is being used with BQ24075 power path and has conflicts

    Part Number: BQ28Z610
    Other Parts Discussed in Thread: BQ24075,

    When a Battery pack with Bq28Z610 is being used with BQ24075 power path and the battery pack is completely discharged, the battery pack IC opens the FETS in shutdown, and the BQ24075 does…

  • BQ25606: BQ25606: Charging profile and STAT pin

    Part Number: BQ25606
    Other Parts Discussed in Thread: BQ27Z561, BQ27426, BQ28Z610

    Hello TI Masterminds,

    We have developed a custom PCB for charging LiPo Battery using BQ25606 and we are facing some issues with our design.

    Currently, we have used a resistance…

  • BQ28Z610: BQ28Z610+BQ24171

    Part Number: BQ28Z610

    Dear:

    During the chargering,  the battery capacity is up to 98%,the gauge status is full, but if the adapt is  always plugged in, the battery capacity can be up to 100%; Question :the battery capacity and the gauge status is not same…

  • BQ28Z610: Battery Charging

    Part Number: BQ28Z610
    Other Parts Discussed in Thread: BQ25883

    We are running into a problem that I have not been able to put my finger on quite yet.  We are assembling some boards using the BQ28Z610 gas gauge paired with the BQ25883 battery charge chip…

  • BQ28Z610: BQ28Z610 EVM does not work ( initial FW inside )

    Part Number: BQ28Z610
    Other Parts Discussed in Thread: EV2400, BQSTUDIO

    Hi There,

             We are running BQ28Z610 EVM, but it works abnormally.  Below is some detail information,

            Connection : 

            PACK+, PACK- : Connect 47ohm Resistor

            VC2, VC1, GND: Connect to…

  • BQ28Z610-R1: We cannot change seal key when using Bqstudio 1.3.101 or 1.3.102

    Part Number: BQ28Z610-R1
    Other Parts Discussed in Thread: BQSTUDIO

    Hello Sir:

    Can you help to check why we use BqStudio 1.3.101 or 1.3.102 cannot change the seal key?

    We can change seal key by using BqStudio 1.3.86.

    Please help to provide recommendations…

  • BQ24074: Pin of TMR

    Part Number: BQ24074
    Other Parts Discussed in Thread: BQ27Z561-R2, , BQ28Z610

    Dear Team

    The customer accord the battery spec and design the charge current, then they may expect the time of battery full charge.

    And they use Pin 14 (TMR) to set an timer…

  • BQ28Z610: Initial setting for BQ28Z610 gas gauge

    Part Number: BQ28Z610
    Other Parts Discussed in Thread: EV2400, BQSTUDIO

    Hi team,

    My customer is using our gauge BQ28Z610,

    There are two question as below.

    • Whether Gas Gauge-BQ28Z610 requires the init process after power up to ensure the normal operation…
  • BQ28Z610: firmware of BQ28Z610

    Part Number: BQ28Z610

    Now The I2C of electricity meter is not working.In addition to the hardware problem,I'm not sure if the IC BQ28Z610 has burned the firmware. 

    From the official website,this chip needs burning firmware. Now the following problems…

  • BQ28Z610: impacts of a battery that exceeds the maximum capacity of a gauge

    Part Number: BQ28Z610

    A next gen design will use a 15000mAh battery (1s4p), we currently use the BQ28z610 but it has a listed maximum of 14000mAh. 

    1. What would happen, if the capacity exceeds the max rated capacity of the gauge? 
    2. How would this impact the…
  • BQ28Z610: i2c communication abnormal

    Part Number: BQ28Z610
    Other Parts Discussed in Thread: EV2400, BQSTUDIO

    Our company encountered a problem that i2c could not communicate during the debugging process,

    Measuring i2c signal, NAK always occurs,the i2c address we use is 0x55。

    It is currently…

  • BQ28Z610 2610_0_17 Program is missing

    Hi, TI experts,

      In our mass production project, some abnormal batteries appeared. The specific manifestation was that there was no voltage output in the finished product test and the program content could not be read. However, the PCBA test data of the…

  • BQ28Z610: can not read voltage/current above 31℃

    Part Number: BQ28Z610

    Hi, expert

    My customer is using BQ28Z610 and find that under DSG mode, when the temperature exceed 31℃ they can't read the voltage and current. But under CHG mode, they can normally read the voltage and current even above 43℃.…

  • BQ28Z610: CUV Triggers even though CUV Setting below current Voltage

    Part Number: BQ28Z610

    Hello,

    I am seeing an issue where the CUV in SafetyStatus() is triggered, even though the CUV setting is well below detected Voltage, and remains above CUV Threshold. 

    Further I see the same with the Shutdown Voltage, i.e. SDV bit…