Hi Ti,
Can you provide register map for the bq500211 so we can test.
Best
The bq5002XX family of devices have NO customer usable registers or PMB interface.
Connector J4 is for factory use ONLY.
Consult EVM User’s Guide or Data Sheet for signal and interface information.
Best Regards,
Bill Johns, Applications Engineer
bqTESLA Wireless Power Products
Texas Instruments Inc
Dallas, Texas