ain 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
Application:
E-Bikes E-Power Tools Portable Instruments
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