BQ24800RUYT

Battery Chargers Overview

The BQ24800RUYT is a synchronous buck battery charge controller from Texas Instruments, designed for 1 to 4-cell lithium-ion and lithium polymer battery packs. It operates with input voltages ranging from 4.5 V to 24 V and supports output currents up to 8 A. The device features a 28-WQFN package with dimensions of 4x4 mm. Key electrical parameters include a charging voltage accuracy of ±0.4% and current monitoring accuracy of ±2%. It supports switching frequencies of 300 kHz, 400 kHz, 600 kHz, and 800 kHz.

Battery Chargers Feature Summary

• Hybrid power boost mode enables simultaneous system powering from adapter and battery with ultra-fast transient response.
• Battery-only boost mode supports larger system transients and extends runtime when the adapter is disconnected.
• High-accuracy power and current monitoring facilitates CPU throttling via comprehensive PROCHOT profiles.
• Automatic NMOS power source selection allows seamless transition between adapter and battery sources.

Battery Chargers Applications

• Laptops
• Ultrabooks
• Detachable computers
• Tablets
• Industrial and medical devices

Battery Chargers Procurement Notes

Verify the specific suffix RUYT corresponds to the cut tape packaging variant rather than reel quantities. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the ordering information matches the exact pinout and thermal pad configuration specified in the official datasheet to avoid integration errors during procurement.

Battery Chargers Selection Notes

Select this component for applications requiring high precision power management and rapid transient response. It is suitable for space-constrained designs due to its high integration and small footprint. Consider the programmable input current limits and charging parameters to match specific adapter capabilities and battery chemistry requirements effectively.

Battery Chargers Part Context

This part belongs to the BQ24800S family of hybrid power boost-mode battery charge controllers. It is engineered for multi-chemical battery applications, offering advanced features like battery learn functions and enhanced safety protections. The device integrates necessary power switches and control logic to simplify design implementation for portable computing and industrial systems.

Battery Chargers Replacement Considerations

Direct substitutes within the same family include the BQ24800RUYR variant, which shares identical functional specifications but differs in packaging format. Verify pin compatibility and thermal performance before substitution. No other cross-family replacements are confirmed by public documentation.

Battery Chargers FAQ

What is the maximum number of cells supported?

The BQ24800RUYT supports charging configurations for 1 to 4 series-connected lithium-ion or lithium polymer cells.

How does the hybrid power boost mode function?

It allows the system to draw power simultaneously from the AC adapter and the battery, providing an ultra-fast 150µs transient response to handle sudden load spikes without adapter collapse.