Answered

• BQ27421EVM-G1A: Data format

  

  K. Sasaki14

  Resolved

  Part Number: BQ27421EVM-G1A Does bq27421 have both big endian format and little endian format for data access? If it is yes, how can we judge which format we should use? Best Regards, Kohei Sasaki

  • Resolved

  • over 4 years ago
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Answered

• BQ27421EVM-G1A: CHEM ID

  

  Jerry Chu

  Resolved

  Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQSTUDIO Hi Expert, I know bq27421G1A CHEM ID is 0x128. Does it map to bqstudio chemistry 0128? Thanks!

  • Resolved

  • over 5 years ago
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• BQ27421EVM-G1A: Error Writing to data memory: Operation failed because initial read of all data failed

  

  Ganesh Sagaonkar

  Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: EV2400 While reading the all resistors from BQ27421EVM with EV2400, can not able to read the configuration details of the fuel gauge IC. and showing following error:

  • over 4 years ago
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• BQ27421EVM-G1A: BQ27421EVM-G1A. Data flash checksum error?

  

  Zachary Thatcher

  TI Thinks Resolved

  Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQ27421-G1 I am having an issue validating my checksum. First, I would like to say that there seem to be four different ways to perform the checksum calculation, depending on which reference…

  • over 5 years ago
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• BQ27421EVM-G1A: Problem With Learning Cycle.

  

  Swastik Ghosh

  TI Thinks Resolved

  Part Number: BQ27421EVM-G1A Hi, I wanted to start a Learning Cycle on the BQ-27421G1A Battery Gas Gauge. Initially I discharged my battery at a C/5 Rate to 3300mV, and then let it relax for 6 Hours. At the end of 6 Hours, It gave us an error saying that…

  • over 5 years ago
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Answered

• BQ27421EVM-G1A: BQ27421EVM

  

  BRIAN

  Resolved

  Part Number: BQ27421EVM-G1A Having issues with the sense resistor blowing. What is peak current rating?

  • Resolved

  • over 6 years ago
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• BQ27421EVM-G1A: BQ27421EVM

  

  BRIAN

  TI Thinks Resolved

  Part Number: BQ27421EVM-G1A We have blown the sense resistor on 5 out of 20 when plugging in the battery (LiIon). Current transient in the attached is about 2.5A (about 2.5V across 1 ohm resistor in series with battery). The transient is well within your…

  • over 6 years ago
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• Compiler/BQ27421EVM-G1A: bq27421

  

  woon jeong

  TI Thinks Resolved

  Part Number: BQ27421EVM-G1A Tool/software: TI C/C++ Compiler Hi In i2c communication, I got volatage and temp exactly. But AveraCurrent(0x10) respond FF 7F What's wrong? Thanks in advance?

  • over 5 years ago
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Answered

• BQ27421EVM-G1A: Filtered and Compensated Capacity lags to account for programmed Design Capacity

  

  Zachary Thatcher

  Resolved

  Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQSTUDIO Hello, I have been utilizing a gas gauge to keep track of the capacity in a 2600mAh battery. This means that I program the design capacity to be different from the non-volatile preprogrammed…

  • Resolved

  • over 5 years ago
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Answered

• BQ27421EVM-G1A: Unreliable ability to configure via I2C

  

  Zachary Thatcher

  Resolved

  Part Number: BQ27421EVM-G1A Hello, I am using this gas gauge and configuring it on startup of a board via i2c. My issue is that sometimes the chip configures and other times it does not. It is seemingly random, and occasionally has to do with me plugging…

  • Resolved

  • over 5 years ago
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