ISL99390BFRZ-T

Full Half-Bridge (H Bridge) Drivers Overview

The ISL99390BFRZ-T is a Smart Power Stage Gen2 (SPS) module designed for professional power management applications. It supports up to 90 A DC output current with an input voltage range of +3.0 V to +16 V. The device features integrated high-accuracy current sensing and comprehensive fault protection mechanisms, including overcurrent, short circuit, and thermal shutdown. Packaged in a thermally enhanced QFN-39 format, it operates at switching frequencies up to 1.25 MHz and includes a temperature monitor with 8mV/°C sensitivity.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates high-side FETs with precise current monitoring capabilities
• Provides comprehensive fault protection including smart reverse over-current and UVLO
• Supports three-state PWM inputs for compatibility with digital multi-phase controllers
• Features a thermally enhanced package optimized for high-density designs

Full Half-Bridge (H Bridge) Drivers Applications

• Accelerator voltage regulation for GPUs, ASICs, and AI systems
• Microprocessor core, graphics, and memory VR applications
• Server, network, and cloud computing POL DC/DC converters
• Video game console power delivery systems

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix designation against official Renesas documentation to confirm pinout and electrical characteristics, as variations exist within the series. Ensure compliance with RoHS standards and check for moisture sensitivity levels prior to assembly. Confirm availability status through authorized distributors, noting that supply constraints may apply to certain variants within this product family.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when designing high-current, low-voltage power stages requiring integrated protection and precise current sensing. It is suitable for use with Renesas digital PWM controllers like the ISL68xxx series. Consider the QFN-39 package size and thermal requirements for your PCB layout. Ensure the controller interface matches the three-state PWM input requirement for proper system synchronization.

Full Half-Bridge (H Bridge) Drivers Part Context

The ISL99390BFRZ-T belongs to the ISL99390 series of Smart Power Stage modules from Renesas Electronics. This series is engineered to simplify design by eliminating external DCR sensing networks. It is part of a broader ecosystem that includes compatible digital multi-phase controllers and phase doublers, enabling efficient and reliable power delivery for demanding computational loads.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The related ISL99390FRZ variant shares similar specifications but may differ in specific ordering suffixes or packaging details. Consult official Renesas cross-reference tools for verified alternatives.