Texas Instruments Incorporated (TI) today introduced a new switching battery charger integrated circuit (IC) that supports a termination current of 20mA. TI's BQ25619 adds 7% of battery capacity for longer runtime than competing products that typically support termination currents higher than 60mA.The BQ25619 charger also offers 3-in-1 boost converter integration and ultra-fast charging, delivering 95% of efficiency at 4.6V and 0.5A output. In addition, with the industry's lowest quiescent current, the new charger doubles the life of ready-to-use electronics.

The BQ25619 charger helps engineers more efficiently design small medical and personal electronics applications such as hearing aids, earbuds and wireless charging boxes, IP webcams, patient monitoring devices, and personal care applications.

Key features and benefits of BQ25619

- Industry's lowest switching charger termination current: Ultra-low termination current of 20 mA increases battery capacity and runtime by 7%. The BQ25619's programmable charge timer further extends runtime, eliminating the need for users to charge their devices more frequently.
- Best-in-class low quiescent current: The BQ25619 saves battery energy by reducing battery leakage to 6uA in transport power saving mode, doubling the life of the device. During battery-only operation, the device consumes only 10uA to support standby systems.

- 3-in-1 Boost Converter Integration: The BQ25619 includes an integrated charge, boost converter, and voltage protection to support efficient designs for space-constrained applications and eliminates the need for external inductors required by previous generation charger ICs. Due to its integrated bidirectional buck or boost topology, the BQ25619's charge and discharge functions require only one power device.

The BQ25619 expands TI's industry-leading portfolio of battery charger solutions with single and multi-cell switch-mode chargers for high-capacity batteries, as well as highly integrated linear chargers that extend battery runtime and reduce overall solution size. Learn more about TI's battery charging solutions for accurate, reliable and faster, more personalized charging.