BQ25895RTWR

Battery Chargers Overview

The BQ25895RTWR is a single-cell lithium-ion and lithium-polymer battery charger IC from Texas Instruments, featuring MaxCharge technology for high-input voltage fast charging. It integrates a 5A buck converter with an adjustable 3.1A boost output. The device operates within a 3.9V to 14V input range and supports I2C control via USB interfaces. Key electrical parameters include a maximum charge current of 5A, a boost output current of 3.1A, and an adjustable output voltage range of 4.5V to 5.5V. It functions in temperatures from -40°C to +85°C and is housed in a WQFN-24 package.

Battery Chargers Feature Summary

• Integrates a 5A buck converter for efficient battery charging and a 3.1A boost converter for system power support.
• Supports high-input voltage operation optimized for 9V to 12V adapters while maintaining compatibility with standard USB sources.
• Features automatic detection of various USB host types and non-standard adapters for simplified power management.

Battery Chargers Applications

• Smartphones and mobile phones requiring fast charging capabilities
• Tablets and portable computing devices
• Wearable electronics and smartwatches
• Portable medical equipment

Battery Chargers Procurement Notes

Verify the specific suffix RTWR against the manufacturer's datasheet to confirm the reel packaging configuration. Ensure the component meets RoHS3 compliance requirements for your assembly process. Cross-reference the ordering part number with official Texas Instruments documentation to avoid substitution errors during procurement.

Battery Chargers Selection Notes

Select this component when designing systems that require both rapid battery charging and simultaneous system power delivery from a single source. It is suitable for applications needing high input voltage tolerance up to 14V. Consider the WQFN-24 package constraints for thermal management and PCB layout space availability.

Battery Chargers Part Context

This device belongs to the BQ25895 family of power management ICs designed for portable electronics. It combines charge management with system power path management to optimize efficiency. The integration allows for reduced bill of materials by eliminating external protection components typically required in separate designs.

Battery Chargers FAQ

What is the maximum boost output current?

The BQ25895RTWR provides a maximum boost output current of 3.1A.

Does the device support I2C communication?

Yes, the BQ25895RTWR is controlled via an I2C interface.