BQ78Z100: CBTime1 CBTime2

您好

1，放电不会平衡。

2，平衡时间请参考下面的公式

Bal Time/mAh Cell 1 = 3600 mAs/(VCELL/RVC1 + Rcb) × DUTY/1000

Bal Time/mAh Cell 2 = 3600 mAs/(VCELL/(RVC1 + RVC2 + Rcb) × DUTY)/1000

Where: VCELL = average cell voltage (for example, 3.7 V for most chemistry)

RVC1 = resistor value in series to VC1 input (for example, 100 Ω, based on the reference schematic)

RVC2 = resistor value in series to VC2 input (for example, 5 Ω, based on the reference schematic)

Rcb = cell balancing FET Rdson, which is 150 Ω.

DUTY = cell balancing duty cycle, which is 66% typ.

Cell balancing time for each cell to be balanced is calculated by: dQCelln × Bal Time/mAh Cell 1 for cell1 or and dQCelln × Bal Time/mAh Cell 2.

3，此命令返回的是正在平衡的电池的状态。

您好，CBR=1应该是在relax mode进行balance

balance启动条件请参考TRM 7.3 Cell Balancing Operation

您好，Min Rsoc for Balancing 設定80%，如果小于80%不会启动平衡。

您好

1，是的，在Interval时间内进行balance

2， The cell balancing time is stored in the 16-bit RAM register CellnBalanceTimer, providing a maximum calculated time of 65535 s (or 18.2 hrs). This update only occurs if a valid QMax update has been made; otherwise, they are all set to 0.