ISL9238HRTZ-TK

Overview

The ISL9238HRTZ-TK is a digital, configurable Buck-Boost battery charger IC from Renesas Electronics Corporation. It supports 2 to 4 series Lithium-ion or Lithium Polymer cells with an input voltage range of 3.2 V to 23.4 V and an adjustable output voltage from 2.4 V to 18.304 V. The device features SMBus interface for configuration, programmable charge current limits, and trickle charge options. It operates within a temperature range of -40°C to +100°C and is housed in a 32-pin TQFN package.

Feature Summary

• Digital configurability via SMBus interface for flexible system integration
• Buck-Boost topology supporting USB-C power delivery applications
• Integrated protection mechanisms including overcurrent and thermal shutdown

Applications

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

Procurement Notes

Verify the specific suffix 'TK' against official Renesas documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with the required firmware tools such as VIDWriter for proper configuration. Confirm RoHS compliance status through the manufacturer's datasheet before procurement.

Selection Notes

Select this component for systems requiring a compact, digitally controlled charging solution compatible with USB Type-C sources. It is suitable for designs needing NVDC or hybrid power modes. Verify that the application environment stays within the specified operating temperature range and that the SMBus interface aligns with the host controller capabilities.

Part Context

This part belongs to the ISL9238 family of battery chargers designed for portable electronics. It integrates advanced power management features typical of Renesas Intersil products, focusing on efficiency and safety in mobile computing platforms. The device complements other components in the broader power management portfolio.

Replacement Considerations

Consult official substitution guides for equivalents like ISL9238CHRTZ. Verify pinout compatibility and electrical parameter alignment before replacing. Cross-reference with Renesas documentation to ensure functional parity in the target application.

FAQ

What communication interface does the ISL9238HRTZ-TK use?

It uses an SMBus interface for digital configuration and monitoring.

Is this device suitable for USB-C powered applications?

Yes, it is designed for USB-C interface portable devices and supports USB Power Delivery specifications.