High-efficiency buck single-cell Li-ion charger with power path, full safeguards for fast-charging portable IoT and consumer gadgets
BQ25622ERYKR is a highly integrated switch-mode buck charger designed for single-cell Li-ion batteries, featuring comprehensive safeguards and power path management for fast-charging portable IoT and consumer gadgets.
Supports 3-stage charging (precharge, constant current, constant voltage) with programmable charge current and voltage for optimal battery performance.
Includes thermal regulation, input overvoltage/undervoltage protection, battery overvoltage protection, short-circuit protection, and reverse current blocking.
Integrated power path management enables direct system power while charging the battery, with low power consumption in standby mode.
Status indicator pins for charging and fault alerts, JEITA temperature charging profile support, and compact QFN packaging for dense PCB layouts.
- Smartphones and tablet accessories
- Portable power banks
- Handheld medical devices
- Wireless power receivers
- Portable IoT equipment
- Consumer wearable electronics with fast charging demand
