BQ25890RTWT

Battery Chargers Overview

The BQ25890RTWT is a single-cell lithium-ion and lithium polymer battery charger from Texas Instruments, housed in a WQFN-24 package. It features an I2C-controlled NVDC power path management system with a maximum input voltage of 14 V. The device supports a charging current up to 5 A and provides a boost output current of 2.4 A at 5 V. The regulated output voltage ranges from 4.5 V to 5.5 V. Operating temperatures span from -40 °C to +85 °C.

Battery Chargers Feature Summary

• Integrates a high-efficiency 5A buck converter for fast charging and a boost converter for USB On-the-Go functionality.
• Features a low-impedance NVDC power path that optimizes system efficiency and extends battery life during discharge.
• Includes MaxCharge technology for automatic input power optimization without requiring external adapters.
• Supports flexible autonomous and I2C control modes for precise configuration of charging parameters.

Battery Chargers Applications

• Smartphones
• Tablets
• Portable networking devices

Battery Chargers Procurement Notes

Verify the specific suffix RTWT against the official datasheet to confirm the reel packaging format and tape width specifications. Ensure compatibility with the required moisture sensitivity level (MSL) and reflow soldering profiles for surface mount assembly. Confirm RoHS compliance status matches project requirements before finalizing procurement orders.

Battery Chargers Selection Notes

Select this component when a single-cell Li-ion or Li-Po solution requires integrated power path management alongside high-current charging capabilities. The I2C interface allows for dynamic adjustment of charging parameters, making it suitable for systems needing precise power budgeting and adaptive input current limiting via MaxCharge technology.

Battery Chargers Part Context

This part belongs to the BQ25890 series of highly integrated switch-mode battery chargers. It shares architectural similarities with variants like the BQ25892 but is distinguished by its specific packaging and factory configuration. The series is designed for applications demanding high efficiency and compact footprint in portable electronics.

Battery Chargers Replacement Considerations

The BQ25890HRTWR is a related variant within the same family. Verify functional equivalence regarding pinout and electrical specifications before substitution, as suffix differences may indicate variations in packaging or specific feature enablement.