ISL99125BDRZ-T

Full Half-Bridge (H Bridge) Drivers Overview

The ISL99125BDRZ-T is a high-performance DrMOS power module from Renesas, integrating a FET driver and MOSFETs in a 3.5x5 QFN 24 Ld package. It supports three-state 5.0V PWM input and features diode emulation for enhanced light-load efficiency. The device offers an ON-resistance of 0.5Ω and a sink current capability of 4A. It includes adaptive shoot-through protection and integrated high-side gate-to-source resistors to prevent self turn-on due to high input bus dv/dt. Operating frequencies reach up to 2MHz with ultra-low shutdown supply current of 3μA.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates high-performance FET driver and MOSFETs for high-density DC/DC converters
• Supports three-state 5.0V PWM input for robust operation under abnormal conditions
• Features diode emulation capability to enhance light-load efficiency
• Includes adaptive shoot-through protection and integrated high-side gate-to-source resistor

Full Half-Bridge (H Bridge) Drivers Applications

• High-frequency power conversion
• IMVP8 PS4 shutdown operation
• Voltage regulator solutions with reduced external components

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix DRZ against official Renesas documentation to confirm package type and tape/reel configuration. Confirm RoHS compliance status as indicated in datasheets. Ensure compatibility with Intersil PWM controllers such as ISL6398 or ISL9585x for complete voltage regulator solutions. Check for any design-not-recommended notices or lifecycle changes before finalizing procurement plans.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when designing high-density DC/DC converters requiring high-frequency operation up to 2MHz. It is suitable for applications needing low shutdown supply current for power-saving modes like IMVP8 PS4. Consider its integration of driver and MOSFETs to minimize PCB real estate. Ensure the system utilizes compatible 5.0V PWM controllers for optimal three-state input functionality.

Full Half-Bridge (H Bridge) Drivers Part Context

The ISL99125B belongs to the DrMOS power module family designed by Renesas (formerly Intersil). These modules combine drivers and MOSFETs to simplify voltage regulator designs. This series targets high-efficiency power conversion applications, offering compact packaging and integrated protection features to reduce external component count and improve overall system performance.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

The ISL99135B is a related variant within the same product line, offering different current capabilities. Verify pinout and electrical specifications against official cross-reference data before substitution.