TIDT442 April   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
  6. 2Testing and Results
    1. 2.1 State of Charge(SOC)
    2. 2.2 Battery Stack Voltage and Charge and Discharge current
    3. 2.3 SoC With Battery Voltage and Charge and Discharge Current
  7. 3Waveforms
    1. 3.1 Overcurrent Protection During Charge
    2. 3.2 Overcurrent Protection During Discharge
    3. 3.3 Cell Undervoltage Protection
    4. 3.4 Cell Overvoltage Protection

3.3 Cell Undervoltage Protection

C1: VCell0 (1V-div)

C2: CHG (20V-div)

C3: DSG (50V-div)

PMP23329 Cell Undervoltage Protection at 2.7V Figure 3-3 Cell Undervoltage Protection at 2.7V