ISL9238HRTZ-TR5542

Overview

The ISL9238HRTZ-TR5542 is a highly integrated battery charger IC designed for lithium-ion and lithium-polymer batteries. It supports 2 to 4 series cells with a battery pack voltage range of 2.4V to 18.304V. The device operates on a supply voltage up to 23.4V and features programmable constant current charging. It includes I²C and SMBus interfaces for configuration and monitoring, housed in a 32-TQFN (4x4) package.

Feature Summary

• Provides NVDC charging, system bus regulation, and protection features
• Supports USB-C interface applications including tablets and notebooks
• Integrates overcurrent and overtemperature fault protection mechanisms

Applications

• Tablet computers
• Ultrabook systems
• Notebook battery chargers
• Power banks

Procurement Notes

Verify the specific suffix TR5542 against official Renesas documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with required operating temperature ranges and interface protocols before integration. Cross-reference datasheet revisions to validate pinout and electrical characteristics for the exact manufacturing lot.

Selection Notes

Select this component for designs requiring integrated buck-boost charging with NVDC functionality. It is suitable for portable devices needing precise battery management via digital interfaces. Consider the 32-TQFN footprint for space-constrained PCB layouts. Validate thermal performance under maximum load conditions within the specified ambient temperature limits.

Part Context

This part belongs to the ISL9238 family of battery charge controllers from Renesas Electronics. It is specifically engineered for mobile computing platforms such as notebooks and tablets. The device combines power stage control with intelligent battery management algorithms in a compact form factor.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.