DESCRIPTION
1 CHRG charging indicator terminal 2 GND Ground 3 BAT charging current output terminal 4 VCC power input terminal 5 PROG External programming charging current terminal 6. ABSOLUTE MAXIMUM RATINGS
parameter Input power voltage PROG Voltage BAT voltage CHRG Voltage C BAT short circuit Thermal resistance BAT Current PROG Current Maximum junction temperature Storage temperature Soldering temperature (no more than 10 seconds) symbol VCC VPROG VBAT VCHRG ÿJA DIFFERENT IPROG TJ TS Rating 7 VCC+0.3 7 7 Continuous 250 500 800 110 -65 to +125 260 unit V V V V ÿ/W mA µA ÿ ÿ ÿ ÿ External charging current programming: PROG (pin 5): constant current charging current setting and charging current monitoring terminal. Connect an external In the pre-charging stage, the voltage of this pin is modulated at 0.1V; in the constant current charging stage, this pin B The voltage of the pin is fixed at 1V. In all modes of charging, the voltage of this pin can be measured to estimate the charging cur...