BQ24750RHDR

Battery Chargers Overview

The BQ24750RHDR is a multi-cell synchronous switch-mode charger with a system power selector, manufactured by Texas Instruments. It operates within an input voltage range of up to 24V and supports battery packs consisting of 2 to 4 cells, reaching a maximum battery voltage of 18.048V. The device features a programmable constant charging current capability of up to 10A. It is housed in a 28-VFQFN package with exposed pad dimensions of 5x5 mm. The component is designed for surface mount installation and functions reliably across a junction temperature range of -40°C to 125°C.

Battery Chargers Feature Summary

• Integrates a synchronous buck converter architecture for high-efficiency multi-cell battery charging
• Includes a system power selector to manage load priority between the battery and input source
• Supports multiple battery chemistries through programmable charging parameters
• Provides comprehensive fault protection mechanisms including overcurrent and overvoltage safeguards

Battery Chargers Applications

• Portable computing devices such as laptops and tablets
• Industrial equipment requiring robust multi-cell battery management
• Medical devices necessitating reliable power supply management
• Consumer electronics utilizing lithium-ion or lithium-polymer battery packs

Battery Chargers Procurement Notes

Verify the specific suffix RHDR against official Texas Instruments documentation to confirm tape and reel packaging specifications. Ensure compatibility with RoHS3 standards if required by your manufacturing process. Cross-reference the 28-VQFN footprint dimensions during PCB layout finalization. Confirm that the operating temperature range meets your environmental requirements before procurement.

Battery Chargers Selection Notes

Select this component when designing systems requiring integrated synchronous rectification for improved efficiency compared to linear chargers. Consider the 10A current capability for applications demanding rapid charging cycles. Evaluate the system power selector feature if direct input powering is necessary alongside battery charging. Verify that the 2-to-4 cell configuration aligns with your target battery pack architecture.

Battery Chargers Part Context

This part belongs to the BQ24750 family of multi-chemistry battery chargers from Texas Instruments. It shares core functionality with variants like the BQ24750ARHDT but may differ in specific electrical characteristics or packaging options. The family is designed for high-performance applications requiring precise control over complex charging profiles and system power distribution.

Battery Chargers Replacement Considerations

Direct substitutes within the same family include BQ24750ARHDT and BQ24750RHDT. Verify pinout compatibility and electrical parameter alignment before substitution. Consult official TI documentation for any functional differences between suffixes.