BQ24750RHDT

Battery Chargers Overview

The BQ24750RHDT 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 pack voltage of 18.048V. The device provides a programmable constant charging current up to 10A. It utilizes a 28-VFQFN package with exposed pad, measuring 5x5 mm. The component functions 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 sharing between the input source and the battery
• Supports multiple battery chemistries including lithium-ion and lithium-polymer configurations
• Features programmable charging parameters allowing customization of current and voltage thresholds

Battery Chargers Applications

• Portable computing devices such as laptops and tablets requiring multi-cell battery management
• Industrial equipment utilizing 2S to 4S battery packs for power supply systems
• Medical devices necessitating reliable and efficient rechargeable battery charging solutions
• Consumer electronics with high-power requirements and compact form factors

Battery Chargers Procurement Notes

Verify the specific suffix RHDT against official datasheets to confirm the tape-and-reel packaging configuration and ensure compatibility with automated assembly processes. Confirm RoHS compliance status and lead-free characteristics through manufacturer documentation prior to procurement. Validate that the 28-VQFN footprint matches the intended PCB layout specifications exactly.

Battery Chargers Selection Notes

Select this component when designing systems requiring synchronous rectification for improved efficiency in multi-cell battery applications. Ensure the design accommodates the 28-VFQFN package dimensions and thermal requirements for operation up to 125°C junction temperature. Verify that the input power supply can support the required 24V limit and that the host controller can interface with the programmable features effectively.

Battery Chargers Part Context

This part belongs to the BQ24750 family of multi-cell chargers from Texas Instruments. It shares functional similarities with variants like the BQ24750ARHDT but may differ in specific manufacturing revisions or packaging details. The device is designed for applications demanding precise control over complex battery charging profiles within a compact surface-mount footprint.

Battery Chargers Replacement Considerations

Direct substitutes include other members of the BQ24750 family such as the BQ24750ARHDT. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Consult official replacement guides to ensure no functional differences exist regarding the system power selector or protection features.