Other Parts Discussed in Thread: BQ26100 Hi, I bought the protected memory with the protocol SHA-1 "bq26100" and I wrote my software routines to make it work. Momentarily to my tests use the secret key present when the memory is virgin (0x00000000. ..…
Part Number: BQ40Z80 Other Parts Discussed in Thread: BQ26100 , BQSTUDIO , Hi all,
I have problem with SHA1/HMAC digest calculation (I read the "How to Implement SHA-1/HMAC Authentication for bq26100" and I still can't get the point ), I use almost every…
Part Number: BQ40Z80 Other Parts Discussed in Thread: BQ26100 , Hİ all,
İf we authenticate the battery(off course we send a 128 bit private key and 160 bit challange and getting same digest) and after seal it the bq studio don't ask a key
I think studio…
Hello Furkan,
I am not sure if bq26100 uses the same method. I would stick to the documentation for bq40z80. I hope you have read bq40z80 TRM section 15.2 onwards. Make sure the padding is correct.
Part Number: BQ78350-R1 Other Parts Discussed in Thread: BQSTUDIO , BQ26100 , EV2400
Hi, We are using BQ78350-R1 for battery management. For testing purpose, we have connected that module to pc through EV2300.
PC side we are using Battery Management Studio…
Other Parts Discussed in Thread: BQ26100 , BQ2022A We're looking for a device that is likely to DS28E30 secure IC in industrial application.
DS28E30 prelim 06082021.pdf
Regards
Brian W
Hi Sakai-san,
Yes, this device is commonly used for battery authentication. The other option available is the BQ26100. They may want to take a look at both of these to see which is a better fit for their needs.
Best regards,
Matt
Hi,
There is an app note that might be helpful for the BQ26100 - the information also applies to the BQ40Z50: https://www.ti.com/lit/an/slua389a/slua389a.pdf
It describes the 128 key and the 160 bit hash.
Best regards,
Matt
Hi,
I recommend ordering an EV2400 to help with general debug as you use this device. Also, this app note for the BQ26100 SHA-1 may be helpful since it walks through the calculation: https://www.ti.com/lit/an/slua389a/slua389a.pdf
Best regards,
Matt
