SPMU383 April 2026 BQ27Z846
The device can detect cell undervoltage in batteries and protect cells from damage by preventing further discharge.
| Status | Condition | Action | ||
|---|---|---|---|---|
| Normal | cell voltage > CUV:Threshold | SafetyAlert()[CUV] = 0 BatteryStatus()[TDA] = 0 | ||
| Alert | cell voltage ≤ CUV:Threshold | SafetyAlert()[CUV] = 1 BatteryStatus()[TDA] = 1 | ||
| Trip | cell voltage ≤ CUV:Threshold for CUV:Delay duration | SafetyAlert()[CUV] = 0 SafetyStatus()[CUV] = 1 BatteryStatus()[FD] = 1, [TDA] = 0 OperationStatus()[XDSG] = 1 | ||
| Recovery | Condition 1: SafetyStatus()[CUV] = 1 AND cell voltage ≥ CUV:Recovery AND Protection Configuration[CUV_RECOV_CHG] = 0 | SafetyStatus()[CUV] = 0 BatteryStatus()[FD] = 0, [TDA] = 0 OperationStatus()[XDSG] = 0 | ||
| OR Condition 2: SafetyStatus()[CUV] = 1 AND cell voltage ≥ CUV:Recovery AND Protection Configuration[CUV_RECOV_CHG] = 1 AND PACK voltage > Charger Present Threshold for [Protections][CUV][Recovery Charger Present Time] | ||||