To unseal the gauge, see attached document. section 8.3
6266.slua421a[1]_quick start guide for bq20zxx family gas guages.pdf
for further details on using SHA-1 see attached document.
slua359[1]_using SHA-1 in bq20zxx family of gas guages.pdf …
Hello Radha,
I would recommend reviewing the quick start guide attached below:
5165.slua421a[1]_quick start guide for bq20zxx family gas guages.pdf
Also, you can use bqeasy if available on bqEVSW to configure the device.
thanks
Onyx
Other Parts Discussed in Thread: BQ20Z80 I just built a 4cell LiPo battery pack around a bq20z80v102 chip. I connected to it using the EVM2300, software 0.9.79. It all seemed to work until I started the bqEasy process. I chose the 1.02 version (default…
Mohit,
Did you send a 08 SMB CMD to take the device out of ROM mode? Trying polling after this. You may also have to exit bqEVSW and reopen.
I attached a Quick Start Guide that has a lot of good information on using the device and EVM.
Regards…
Here is a link to a document for bq20z70 and bq20z90, it has a description of the production flow in section 22. /cfs-file/__key/communityserver-discussions-components-files/196/0714.1072.slua404_5B00_1_5D005F00_application-book-for-the-bq20z70-and-bq20z90…
James,
It takes a few minutes for the voltage measurements to update capacity. You also need to calibrate the pack. I attached the general applications book for gas gauges. You can reference Chapter 22 for a detailed production procedure. They calibrated…
1. Most of the orders do come from pack manufacturers, but there are plenty of end system manufacturers that use these devices as well.
2. Yes, you will need to get access to the cells to use the bq20z45 gauge. You may be able to divide down the full…
Yes, the PRO screen is where the commands can be written and read. Your next step after setting up data flash and calibration is to start the learning cycle process. To do that, you need to enable the Impedance Track algorithm. This turns on the FETs…
