HY4222
Application
- E-Bikes
- E-Power Tools
- Portable Instruments
Main Features of HY4222 Series
- Used as stand–alone battery gauge for MultiCell 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 | Multiple | JEITA | 2-Wire (I2C) | SHA-1 | 96 |