programmable charge current up to 800ma no external mosfet, see resistor or blocking diode required complete linear charger in sot package for single cell li-ion battery cotant current/cotant voltage operation with thermal regulation to maximize charge rate without risk of overheating charge single cell li-ion battery directly from usb port preset 4.2v charge voltage with ±1% accuracy automatic recharge charge status output pin c/10 charge termination 30ua supply current in shutdown mode 70ua supply current in standby mode 2.9v trickle charge threshold soft-start limits inrush current 5-lead sot23 package