ISL9238BHRTZ-T

Battery Chargers Overview

The ISL9238BHRTZ-T is a Buck-Boost battery charger IC designed for 2 to 4-cell Lithium-ion and Lithium Polymer battery packs. It operates with an input voltage range of 3.2 V to 23.4 V and provides an adjustable output voltage from 2.4 V to 18.304 V. The device features a TQFN-32 package (4x4 mm) and supports I²C/SMBus interfaces. Key electrical parameters include a charge current limit accuracy of ±2% and a charging voltage accuracy of -1.1%/+0.5%. Trickle charge currents are configurable at 64 mA, 128 mA, 256 mA, or 512 mA.

Battery Chargers Feature Summary

• Supports Buck-Boost topology for versatile power supply configurations
• Enables Narrow Voltage Direct Charge (NVDC) and Hybrid Power modes
• Integrates SMBus interface for digital configuration and monitoring
• Includes comprehensive fault protection mechanisms

Battery Chargers Applications

• Tablets and Ultrabooks
• Notebooks
• Power banks
• USB-C portable devices

Battery Chargers Procurement Notes

Verify the specific suffix 'BHRTZ-T' against official Renesas documentation to confirm tape-and-reel packaging and exact thermal grade specifications. Ensure compatibility with required firmware tools like VIDWriter if utilizing USB PD controller integration. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement orders.

Battery Chargers Selection Notes

Select this component for applications requiring high-efficiency charging in space-constrained designs due to its compact TQFN-32 footprint. It is suitable for systems needing precise voltage regulation across varying input conditions. Consider the integrated SMBus capability for advanced system management requirements compared to simpler analog chargers.

Battery Chargers Part Context

This part belongs to the ISL9238 series of battery chargers manufactured by Renesas Electronics. It shares functional similarities with variants like ISL9238HRTZ but differs in packaging and potentially thermal characteristics. The series targets portable electronics requiring robust power management solutions compatible with modern USB Type-C standards.

Battery Chargers Replacement Considerations

ISL9238CHRTZ-T

Battery Chargers FAQ

What battery chemistries does the ISL9238BHRTZ-T support?

It supports Lithium-ion and Lithium Polymer battery types.

Does the device support NVDC mode?

Yes, it supports Narrow Voltage Direct Charge (NVDC) and hybrid power modes.