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Showing 114 results View by: Thread Post Sort by
  • BQ76905: BQ76905 Troubleshooting

    Nilesh Ranjan
    Nilesh Ranjan
    Part Number: BQ76905 Other Parts Discussed in Thread: MSPM0G3518 Hi, Customer have reported below observations with BQ76905. The AFE BQ76905 we are interfacing with MSPM0G3518 MCU I2C communication. Our HW design is for 4S so we are able to read…
    • 2 months ago
    • Power management
    • Power management forum
  • BQ76905: BQ76905 vs BQ76907-Q1

    Andrea Tosato
    Andrea Tosato
    TI Thinks Resolved
    Part Number: BQ76905 Other Parts Discussed in Thread: BQ76907-Q1 Dear, What are the main differences between the two devices ( BQ76905 vs BQ76907-Q1) , besides the automotive version and the maximum Vbatt value? Thanks
    • 8 months ago
    • Power management
    • Power management forum
  • BQ76905: Grounding strategy for BQ76905 5S BMS design

    Yasir Ziya Gültak
    Yasir Ziya Gültak
    Part Number: BQ76905 Hi everyone, I am designing a 5S BMS circuit using the BQ76905 IC. In my design, B+ is connected directly to the load via a cable. The PCB only has B- and P - outputs. Additionally, there is a connector for the cell sense wires…
    • 8 months ago
    • Power management
    • Power management forum
  • BQ76905: 2S configuration selection

    Stan. H
    Stan. H
    TI Thinks Resolved
    Part Number: BQ76905 Hello TI Support Team, I'm designing a 2S Li-Ion battery protection circuit using the BQ76905 paired with an ESP32 host MCU. VC4A‒VC4B, VC4B‒VC3A, VC3A‒VC3B, VC3B‒VC2, VC2‒VC1 are the shorted connections as per the datasheet…
    • 1 month ago
    • Power management
    • Power management forum
  • BQ76905: Grounding BQ76905 in 2S LiFePO4 System with BQ25750 – FB Pin Voltage Sensing Question

    Ralf Knobloch
    Ralf Knobloch
    TI Thinks Resolved
    Part Number: BQ76905 Other Parts Discussed in Thread: TPS25730 , BQ25750 , , BQ25756 , BQ24650 Hello, for the design of a mobile device powered by two LiFePO4 cells that can be charged via USB-C, I plan to use the following IC combinations: - TPS25730…
    • 6 months ago
    • Power management
    • Power management forum
  • BQ76905: BQ76905 Over Voltage Protection Timing is not ConstantWorking.

    Vineeth Vijayan
    Vineeth Vijayan
    Part Number: BQ76905 Other Parts Discussed in Thread: UCC27444 Hi Team, We are using the BQ76905 to control the CHG and DSG pins, which then drive the MOSFETs through the UCC27444 gate-driver IC. Our design includes 14 charge MOSFETs and 14 discharge…
    • 10 months ago
    • Power management
    • Power management forum
  • BQ76905: BQ76905 CRC COMMUNICATION ISSUE

    deepak kumar
    deepak kumar
    TI Thinks Resolved
    Part Number: BQ76905 Tool/software: Hi TI team, Currently i am using BQ76905 BMS IC for one of my project with host mcu STM32H523RCT6. I want to use the CRC mode for communication. But it is not working when send the CRC byte then i get NACK. I think…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ76905: BQ76905 Does not respond to any I2C communication

    Pim Swinkels
    Pim Swinkels
    Part Number: BQ76905 Other Parts Discussed in Thread: ISO1540 Hello, I am having a lot of trouble gettting my design to work. Whartever I do, the BQ76905 stays unresponsive to any I2C message I am trying to send to it from the ESP32 microcontroller…
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ76905: Sell Balance for Super Cap

    Yuta Nishie
    Yuta Nishie
    Resolved
    Part Number: BQ76905 Other Parts Discussed in Thread: BQ24640 , , BQ33100 Hi, I would like to use BQ24640 for charge/discharge control of 4s supercapacitor. But I think I need another IC to monitor cell balance of multi-cell supercapacitor. I am considering…
    • Resolved
    • 1 month ago
    • Power management
    • Power management forum
  • BQ76905: Passive Cell Balancing Issue

    ABHISHEK MUKHERJEE
    ABHISHEK MUKHERJEE
    Part Number: BQ76905 Other Parts Discussed in Thread: MSPM0G3518 The AFE BQ76905 we are interfacing with MSPM0G3518 MCU I2C communication. Our HW design is for 4S so we are able to read/write the following parameters from AFE: Read Individual Cell…
    • 2 months ago
    • Power management
    • Power management forum
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