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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1096789/bq40z50-bq40z50-bq40z50-r1-r3
目前购买的芯片是R1版本，现在客户需要使用R3版本。有没有方法把现在的芯片版本升级为R3。谢谢~
您好Chen：
您可以在TI.com上下载最新的固件(R4)或更旧的固件(R3,R2)。 使用SREC将仪表编程为新固件版本。
此致，
Wyatt Keller
