工具与软件：
在2S 充电设计中使用 BQ25723。 对于这两个电压、读取 ADCVSYSVBAT 寄存器(0x2D/2C)会导致 REG_0x2C = 22102 (0x5656) REG_ADC_VSYS_VBAT 或0x56*64mV = 5400mV。 测量 BQ25723 引脚：VSYS 和 SRN 显示了各自的值接近8.3V、即2S 类型电池包的值。
是否需要应用其他一些设置才能正确回读这些电压？ 为了参考、其他寄存器设置为以下值：
REG_0x00 = 1806 (0x070E) REG_CHARGE_OPTION_0
REG_0x02 = 448 (0x01C0) REG_CHARGE_CURRENT
REG_0x04 = 8400 (0x20D0) REG_CHARGE_VOLTAGE
REG_0x06 = 2500 (0x09C4) REG_OTG_VOLTAGE
REG_0x08 = 15360 (0x3C00) REG_OTG_CURRENT
REG_0x0A = 3264 (0x0CC0) REG_INPUT_VOLTAGE
REG_0x0C = 16896 (0x4200) REG_VSYS_MIN
REG_0x0E = 8192 (0x2000) REG_INN_HOST
REG_0x20 = 33792 (0x8400) REG_CHARGER_STATUS
REG_0x22 = 47232 (0xB880) REG_PROCHOT_STATUS
REG_0x24 = 8192 (0x2000) REG_IIN_DPM
REG_0x26 = 22786 (0x5902) REG_ADC_VBUS_PSYS
REG_0x28 = 512 (0x0200) REG_ADCIBAT
REG_0x2A = 768 (0x0300) REG_ADC_IIN_CMPIN
REG_0x2C = 22102 (0x5656) REG_ADC_VSYS_VBAT
REG_0x2E = 64 (0x0040) REG_MANUFACTURER_ID
REG_0x2F = 224 (0x00E0) REG_DEVICE_ID
REG_0x30 = 16128 (0x3F00) REG_CHARGE_OPTION_1
REG_0x32 = 183 (0x00B7) REG_CHARGE_OPTION_2
REG_0x34 = 1076 (0x0434) REG_CHARGE_OPTION_3
REG_0x36 = 19073 (0x4A81) REG_PROCHOT_OPTION_0
REG_0x38 = 16800 (0x41A0) REG_PROCHOT_OPTION_1
REG_0x3A = 41215 (0xA0FF) REG_ADC_OPTION
REG_0x3C = 72 (0x0048) REG_CHARGE_OPTION_4
REG_0x3E = 108 (0x006C) REG_Vmin_active_protection
