1-to-3 Cell Li+ Battery Gauge IC with Direct Connection

  • Notebooks
  • Netbooks
  • E-books
  • Tablet PCs
  • Portable Instruments
Main Features of HY4231 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
  • Feature programmable battery capacity indications
    • Provide 3 or 4 LEDs for capacity indications
  • 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

Package Type TSSOP-20

Model No. Cell No Protection Interface Authentication User Flash (Bytes)
HY4231 1~3 JEITA 2-Wire (SMB) SHA-1 96