ACT2813 5V/2.4A Power Bank Solution FEATURES APPLICATIONS Dedicated Single Chip Solution for Mobile Power Power Bank With Minimal Component Count Mobile Power Backup Battery Pack 2.4A Continuous Output Current in Boost Mode Standalone Battery Charger with USB Output 2.4A Switching Charger Current 96% Boost Efficiency (Vbat=4.1V) GENERAL DESCRIPTION Adaptive to 10mA-2400mA Input Sources ACT2813 is a space-saving and high-performance low- Battery Disconnection at Output Short profile single-chip solution for backup battery pack and <10A Low Battery Leakage Current at HZ Mode standalone battery charger. ACT2813 integrates all the During Storage functions that a backup battery pack needs, including Boost Auto Turn-off at No Load and Push Button switching charger, boost converter and LED indication. Turn-on ACT2813 operates at 1.1MHz for switching charger and Battery Over Current, Over Voltage, Over Tempera- 0.55MHz for boost converter allowing tiny external in- ture and Short Circuit Protections ductor and capacitors. ACT2813 provides a direct Boost Auto Startup with Load Detection power path from input to output while providing power to switching charger. Output has higher priority than bat- Prioritized Power Path from Input to Output tery charger if the input current limit is reached. 5V+/-100mV Output Voltage in Boost Mode ACT2813 charges battery with full cycle of precondition- 1.1MHz/0.55MHz Switching Frequencies ing, fast charge with constant current and constant volt- 2.2uH Inductor and Low Profile Ceramic Capacitor age until end of charge. The battery charger is thermally 4 LEDs Battery Level and Status Indication regulated at 110C with charge current foldback. Battery Impedance Compensation ACT2813 boost converter steps battery voltage up to 5V. Full Cycle of Battery Charge Management Precondi- Boost converter features high efficiency, constant cur- tioning, Fast Charge, Top off and End of Charge rent regulation, short circuit protection and over voltage protection. Charge Current Foldback at 110C Die Temperature IC Over Temperature Protection at 160C ACT2813 provides 3.5mA constant currents to drive 4 LEDs to indicate battery level and charge status. Battery FCQFN 4x4-20 Package impedance is compensated for battery level indication. Data Sheet Rev. 4.0, January 28, 2020 Subject to change without notice 1 of 22 www.qorvo.com ACT2813 5V/2.4A Power Bank Solution ORDERING INFORMATION CHARGE BATTERY PART NUMBER OUTPUT FLASHLIGHT TH PIN PACKAGE CURRENT VOLTAGE ACT2813QY-T 5V/2.4A 2.4A 4.2V No Yes FCQFN 4x4-20 ACT2813QY-T0435 5V/2.4A 2.4A 4.35V No Yes FCQFN 4x4-20 PIN CONFIGURATION Data Sheet Rev. 4.0, January 28, 2020 Subject to change without notice 2 of 22 www.qorvo.com