HOTCHIP HT4928S
The HT4928S is a highly integrated mobile power battery), with Constant power output function, supply Management chip, built-in charge complete overcurrent, short circuit protection management module, LED indicator Block, boost ◆ Highly Load insertion automatically starts boost, load discharge management module, and use small removal Automatic sleep SOP8 Package, the periphery can be composed ◆ Highly Battery low voltage reminder function; of very few components Powerful mobile power ◆ Highly Single/dual lamp charging and discharging solution. The charging current is internally set to 0.8A 2.DESCRIPTION
Indicator light 1 Indicator light 2 Battery end Output voltage feedback Output/input Inductance Power ground Analog ground 2/6 Ver1.1 HT4928S Ver1.1 1/6 Mobile power management solution Typical parameters (Except for special instructions, all parameters are measured at room temperature and the potential at the GND terminal is 0) Symbol System parameters V IN Vbat Charging parameter V IN power down monitor V float Ichg V TRKL V TRHYS V RECHG Discharge parameter Vo Iout V OVP V OVP_DIS V UVLO V UVLO_R I BAT1 I BAT2 Iauto_off Iq F OSC OTP OTP_HYSDESCRIPTION
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 ov...