Active-Semi ACT2804
ACT2804 is a space-saving and dedicated singlechip solution for dual-cell battery charge and discharge. It takes 5V USB input source to charge a dual cell battery with boost configuration in three phases: preconditioning, constant current, and constant voltage. The battery charger is thermally regulated at 110˚C with charge current foldback.| Part No. | ACT2804 |
|---|---|
| Datasheet | ACT2804 Download |
| Manufacturer |  Active-Semi |
| Description | 5V/3.4A Dual Cell Backup Battery Power Manager |
| Buy | Stock & Price |
FEATURES
● Dedicated Single-chip Integrated Battery Power Manager● Dual Cell Battery Charger with Cell Balancing Management
● Auto Detection support USB BC1.2, Chinese YD/T 1591-2009, Apple 2.4A, and Samsung Devices
● Passed Apple MFi Test
● 4.5V-5.5V Input Voltage with 3.4A Input Current Limit
● 2.4A+1.0A Dual Outputs with CC Regulation
● 5.07V+/-1% Output with Prioritized Power Path from Input to Output
● 4.2V/4.35V +/- 0.5% Battery Charge Voltage Accuracy of Each Cell
● Output Plug-in Detection Wakeup and No Load Detection Sleep Mode
● Optimized Power Path and Battery Charge Control
● <10uA Low Battery Drainage Current
● I2C Port for Optimal System Performance and Status Reporting
● Configurable Charge, Discharge and HZ modes
● >92% Charge and Discharge Efficiency at 3.4A Output for Full Battery Range
● 4 Modes of LED Operation
● Preconditioning for Deeply Depleted Battery
● Weak Input Sources Accommodation
● Safety: Input Over-voltage Protection Nearly Zero Power Short Circuit...
