HY4222

Application
  • E-Bikes
  • E-Power Tools
  • Portable Instruments
Main Features of HY4222 Series
  • Used as stand–alone battery gauge for 1 to 3 Li+ Cell battery applications
    • Integrate dual 16-bit ADCs for precision voltage, current, and temperature measurements
    • Use a low cost and low value sense resistor with calibration for current measurement
    • Use integrated and external temperature sensors for temperature measurement
  • Integrate accurate battery capacity estimate system
    • Integrate GaugePackTM algorithm – mixed algorithm with coulomb counting, open circuit cell voltage measurement and cell
    • characteristics
    • Compensate rate, temperature, age and self–discharge effects automatically
    • Require no fully battery charge-to-discharge or Discharge-to-charge recycling for capacity learning process
    • Backup specific battery capacity information to Nonvolatile (NV) Flash memory automatically
  • Support LEDs for capacity indication
  • Feature programmable protection alerts
    • Protections for voltage, current, and temperature faults
    • Provide pin alert for voltage, current, and temperature protection
  • Backup battery lifetime data to Nonvolatile (NV) Flash memory automatically
  • Provide 96 bytes Nonvolatile (NV)user scratch pad Flash memory
Model No. Cell No Protection Interface Authentication User Flash (Bytes)
HY4222 1~3 JEITA 2-Wire (I2C) SHA-1 96