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LP8556: lp8556 EEPROM写入问题

Part Number: LP8556

LP8556通过I2C正常写入配置信息后工作正常,但是设备下电后再上电,配置信息就丢失了,还是原先芯片本体的default设置,配置信息没有写入到芯片自带的eeprom中,请问有没有操作示例,能够将配置信息有效写入到eeprom中。