ISL99390FRZ-TR5935

Full Half-Bridge (H Bridge) Drivers Overview

The ISL99390FRZ-TR5935 is a 90A Smart Power Stage (SPS) module from Renesas, designed for high-density power conversion. It operates with an input voltage range of 3 V to 16 V and supports a maximum output voltage of 3.3 V. The device integrates high-accuracy current and temperature monitoring, featuring a continuous signal current monitor with ±3% precision and an 8mV/°C temperature sensor. It utilizes a thermal-enhanced QFN-39 package to facilitate compact designs.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates high-precision current and temperature monitoring sensors within the module.
• Provides comprehensive fault protection including overcurrent, short circuit, overtemperature, and undervoltage lockout.
• Compatible with digital multi-phase controllers and phase doublers for system-level management.
• Eliminates the need for external DCR sensing networks and thermal compensation components.

Full Half-Bridge (H Bridge) Drivers Applications

• Accelerators such as GPUs, ASICs, and AI hardware
• Microprocessor core, graphics, and memory voltage regulators
• High-density voltage regulators for servers, networking, and cloud computing
• Load point DC/DC converters

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix TR5935 against official Renesas documentation to confirm reel specifications and tape-and-reel dimensions. Ensure compatibility with the intended digital PWM controller, such as the ISL68/69xxx series or ISL6617A phase doubler, before integration. Confirm that the QFN-39 package footprint matches the PCB layout requirements for adequate thermal dissipation.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when designing systems requiring integrated current sensing without external shunt resistors. It is suitable for applications demanding precise load-line regulation and fast transient response. Consider the 90A output capability and the 3.3V logic-compatible three-state PWM input for seamless interface with compatible digital controllers.

Full Half-Bridge (H Bridge) Drivers Part Context

This part belongs to the ISL99390 family of Smart Power Stage modules. It is engineered to work in conjunction with Renesas digital multi-phase controllers to simplify power supply design. The module replaces discrete high-side and low-side FETs along with gate drivers and protection circuits, reducing component count and board space.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

The ISL99380BR5935 is an 80A variant within the same product family. Verify if the reduced current rating meets application requirements before substitution. Both devices share similar pinouts and control interfaces but differ in maximum output current capabilities.

Full Half-Bridge (H Bridge) Drivers FAQ

What is the accuracy of the integrated current monitor?

The device features a continuous signal current monitor with a precision of ±3% across line, load, and temperature ranges.

Which controllers are compatible with this SPS module?

It is compatible with Renesas ISL68/69xxx digital multi-phase controllers and the ISL6617A phase doubler.

Does the module include overtemperature protection?

Yes, it includes integrated overtemperature protection (OTP) to enhance system reliability under abnormal conditions.