Texas Instruments

BQ24640RVAT  

Specialized Power Management

BQ24640RVAT Description

The BQ24640RVAT from Texas Instruments is a high-efficiency, synchronous switch-mode battery charger IC designed for supercapacitor charging applications. Packaged in a compact 16-VQFN (3.5mm x 3.5mm) surface-mount format, it operates within a 5V to 28V input voltage range, making it versatile for diverse power sources. With a 1mA supply current, it minimizes standby power consumption, aligning with energy-efficient designs. The device is RoHS3 compliant, REACH unaffected, and rated for MSL 2 (1 Year), ensuring reliability in industrial and automotive environments. Its Tape & Reel (TR) packaging facilitates automated assembly processes.

BQ24640RVAT Features

• Synchronous Switching Architecture: Enhances efficiency (up to 95%) and reduces heat dissipation compared to linear chargers.
• Wide Input Range (5V–28V): Supports varied power sources, including solar panels, USB-PD, and industrial rails.
• Supercapacitor-Optimized Charging: Implements precise voltage/current control to extend supercapacitor lifespan.
• Low Quiescent Current (1mA): Ideal for always-on or battery-backed systems.
• Integrated Protection: Features overvoltage (OVP), overcurrent (OCP), and thermal shutdown for robust operation.
• Compact 16-VQFN Package: Saves board space in space-constrained applications.

BQ24640RVAT Applications

• Energy Harvesting Systems: Efficiently charges supercapacitors in solar/Wi-Fi-powered IoT nodes.
• Backup Power Solutions: Ensures rapid charging for supercapacitors in UPS and industrial backup systems.
• Automotive Electronics: Supports 12V/24V bus charging for infotainment or emergency lighting.
• Medical Devices: Reliable power management for portable/wearable medical equipment.
• Industrial Sensors: Enables maintenance-free operation in remote monitoring setups.

Conclusion of BQ24640RVAT

The BQ24640RVAT stands out as a high-performance, space-efficient solution for supercapacitor charging, combining wide input flexibility, high efficiency, and robust protection. Its low standby current and synchronous topology make it superior to legacy linear chargers, particularly in energy-sensitive and compact designs. Whether for industrial, automotive, or IoT applications, this IC delivers reliable, scalable power management, backed by Texas Instruments’ quality and support.

BQ24640RVAT Documents

Download datasheets and manufacturer documentation for BQ24640RVAT

Datasheets :

BQ24640      

HTML Datasheet :

BQ24640      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013       Mult Dev Material Chg 29/Mar/2018