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

3.2 Overcurrent Protection During Discharge

Undervoltage protection is shown in Figure 3-2.

C1 (yellow): Vpack (20V-div)

C2 (pink): CHG (20V-div)

C3 (pink): DSG (50V-div)

C4 (green): Charge current (2A-div)

PMP23329 Overcurrent Protection at 3.5A During DischargeFigure 3-2 Overcurrent Protection at 3.5A During Discharge