BQ24750ARHDR

Battery Chargers Overview

The BQ24750ARHDR is a multi-chemistry synchronous switch-mode battery charger IC from Texas Instruments, housed in a 28-VQFN (5x5) package. It supports 2 to 4 series cells with a maximum battery pack voltage of 18.048V and a supply voltage up to 24V. The device features a programmable constant charging current up to 10A. It operates within a junction temperature range of -40°C to 125°C and includes overcurrent and overvoltage fault protection.

Battery Chargers Feature Summary

• Integrates synchronous rectification for high-efficiency switching-mode charging
• Includes system power selector for load management during charging
• Supports multiple battery chemistries including lithium-ion and polymer

Battery Chargers Applications

• Portable computing devices
• Industrial equipment requiring multi-cell battery charging
• Medical instrumentation

Battery Chargers Procurement Notes

Verify the suffix 'HDR' indicates the specific tape-and-reel packaging configuration. Confirm that the component meets RoHS3 compliance standards as specified by the manufacturer. Ensure the ordering part number matches the exact pinout and thermal pad requirements for the target PCB layout.

Battery Chargers Selection Notes

Select this component when designing systems requiring high-current charging capabilities for 2 to 4 series cell configurations. It is suitable for applications needing integrated system power path management alongside efficient synchronous buck conversion. Verify input voltage constraints do not exceed the 24V maximum rating.

Battery Chargers Part Context

This part belongs to the BQ24750 family of multi-cell synchronous switch-mode chargers. It shares core functionality with variants such as BQ24750ARHDT but differs in packaging format. The family is designed for portable electronics requiring robust battery management and high efficiency.

Battery Chargers Replacement Considerations

Direct substitutes include BQ24750ARHDT and BQ24750RHDT. These parts share identical electrical specifications and pinouts. Verify that the alternative packaging type aligns with existing assembly processes.