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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1011222/bq51221-bq51221-debugging
bq51221是否需要刻录程序？ 是否有任何操作说明文档？
您好！
这些寄存器可以通过 i2c 进行写入和读取。 更多信息、请参阅数据表的寄存器映射部分。 不需要刻录程序。 BQ51020 (WPC) 或 BQ51021 (WPC)是 BQ51221 (WPC+PMA)的更好替代产品。
此致、
Nick
