Other Parts Discussed in Thread: BQ27505-J5 , BQEVSW I was using Battery Management Studio, 1.3.45 under Win 7 for use with a bq27505-J5 fuel gauge. Unfortunately the PC I was using died last week and I have a new PC running Win 10. I downloaded the latest…
Other Parts Discussed in Thread: BQ27505-J5 The data sheet for the bq27505-j5 indicates that the BAT_GD pin is a push-pull configuration. However, I am measuring only a high output of 0.9V. I was planning to connect the BAT_GD output to the CE input pin…
Other Parts Discussed in Thread: BQ27505-J5
I am currently specifying the BQ27505-J5 fuel gauge for a new board and at least at this point it is not available except in large reels. Would you recommend a different part for long term availability or…
Other Parts Discussed in Thread: BQ27505-J5 , BQ27505-J4 I used BQ27505-J4 on my previous design. Since its replaced by BQ27505-J5, we have to use version J5 on our new design which is based on the old design and I don’t want to go thru a new learning…
Thank you for your response. Could you elaborate on why you recommended the bq27520? I have been using the bq27500, bq27505-J5, and more recently the 27510-G3 when it looked like the bq27505-J5 was NRND (but I see that has changed). These applications…
Hello Cliff,
I do apologize for the delayed response. Our single cell gauges can work with this application (the 2 batteries in parallel). Are you looking for a gauge that would be on the system side or a gauge that would be on the actual battery pack…
hi Liberty
your ground should be connected to vss and your hdq pin to the hdq of the ev2400 and you should have a pull-up to the hdq
We don't have any hdq drivers, however see attached app notes that might offer you some guidance.
7446.hdq_implementation_with…
Sherry,
What are you trying to achieve? If you are trying to establish communication with the gauge in hdq, i would recommend you review the following app notes.
0407.hdq_implementation_with msp430_slaa196.pdf
0624.msp430_hdq_slva413a.pdf
6574…
