Description
Test Conditions Unit Min Typ Max Input voltage range Battery voltage V 4.5 5 5.5 V 2.95 4.4 VIN from low to high VIN from high to low Floating charge threshold voltage Recharging current Turbulent flow Trickle charging hysteresis voltage Recharge threshold voltage Vin>BAT Vin>BAT VIN=4.755.25V VBAT from low to high mV mV V A V mV V 4.158 250 50 4.20 0.8 4.242 2.8 100 4.1 Boost system output voltage Output current Output overvoltage protection Boost undervoltage protection Boost undervoltage recovery Automatic shutdown load current Quiescent Current Working frequency Over temperature protection Hysteresis BAT=3.6V Vout>4.8V BAT from high to low BAT from low to high Vout=5.5V No Switching Vout=4.5V Switching BAT=3.6V Cout=20uF BAT=3.6V V A V V V V mA mA mA uA MHz degC degC 4.95 5.1 5.25 0.8 5.8 5.4 2.95 3.20 0.2 1 60 13 30 1 150 20 .hotchip..cn 3/6 Ver1.1 .hotchip..cn HT4928S Ver1.1 1/6 Mobile power management solution Function and parameters Charging management module 1.
Key Features
- identification charging/discharging of electricity
- Highly 4KV ESD
- Highly Built-in fixed 0.8A linear charging mode
- Highly Fixed switching frequency 1MHZ
- Highly turbulent / constant current / constant voltage
- Highly Battery overcharge and over discharge
- Highly SOP8 small package
- Highly Built-in charging can automatically reduce the
- Highly Mobile power
- Highly LED lighting system
Representative HT4928S image (package may vary by manufacturer)
