Part Number: BQ27Z746 Other Parts Discussed in Thread: BQKEYPACKAGER , BQKEYPROGRAMMER For safety reasons, we need to divide the authentication key of the bq27z746 chip into two sub keys package (. bqk package).
then hand them over to the battery manufacturer…
您好, We'll release the bq9037 of bqKeyPackager version shortly. The bq27z746 also implements command 0x0037. It's not in the TRM because SHA keys during regular use are to be stored in secure memory with bqKeyPackager.
Some more questions,
(1) So the message show in the pop windows "0x 72CD6E8422C407FB6D098690F113087D75877BB41D39385FB8455CE60ECD8DDA " is the Factorykey?
(2) The final key is 0x03030303 0303030303030303030303030303030303030303030303030303030372CD6E8422C407FB6D098690F113087D75877BB41D39385FB8455CE60ECD8DDA…