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

1.1 Voltage and Current Requirements

Table 1-1 Battery Specifications and Protection Parameters
PARAMETERSPECIFICATIONS
Battery typeLiFePO4
Battery configuration16 cells connected in series
Battery part numberIFR26650
Typical cell Capacity3800mAh（0.5C）
Nominal Cell voltage3200mV
Cell overvoltage protection threshold4200mV
Cell undervoltage protection threshold2700mV
Over-current protection during charge6A
Over-current protection during discharge3.5A