This range of battery charger ICs from Analog Devices includes switching, linear and monitoring types. Within this range, some products feature constant current or constant voltage linear charging, stacked lithium monitoring or battery isolation and USB-based battery management. Typical applications for the battery charger ICs include: lithium ion battery monitoring, PV cell energy harvesting, wearable devices, portable technology and industrial monitoring, TEG energy harvesting, wireless sensors and electric/hybrid vehicles.
Feature
- 4mm x 4mm LFCSP Package
- Fully programmable via I2C
- Flexible digital control inputs
- Up to 2.1 A current from an ac charger while in LDO mode
- Operating input voltage from 4.0V up to 7.0V
- Tolerant input voltage -0.5V to 20V (USB VBUS)
- Fully compatible with USB 3.0 and USB battery charging specification 1.2
- Built-in current sensing and limiting
- Down to 54 mΩ battery isolation FET between battery and charger output
- Thermal regulation prevents over heating
- Compliant with JEITA 1 and JEITA 2 Li-Ion battery charging temperature specifications
- SYS_EN flag permits the system to be disabled until battery is at minimum required level for guaranteed system start-up
