ISL6571CR

Full Half-Bridge (H Bridge) Drivers Overview

The ISL6571CR is a complementary MOSFET driver and synchronous half-bridge switch manufactured by Intersil. It integrates high-side and low-side drivers with a synchronous rectification controller for power conversion applications. The device supports external programming of switching frequency and includes protection features such as under-voltage lockout. It is designed to drive external N-channel power MOSFETs efficiently in half-bridge topologies.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates complementary MOSFET driver and synchronous half-bridge switch functionality
• Supports external programming of oscillator frequency via resistor and capacitor
• Includes built-in under-voltage lockout for reliable operation
• Designed for driving external N-channel power MOSFETs

Full Half-Bridge (H Bridge) Drivers Applications

• Half-bridge power converter circuits
• Synchronous rectification stages in DC-DC converters
• Complementary MOSFET gate driving applications

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the exact suffix (e.g., CR, CRZ) against the datasheet to confirm package type and RoHS compliance. Confirm current availability status as Intersil products are often legacy or discontinued after the Renesas acquisition. Ensure the specific variant matches the required lead-free or standard packaging specifications for your manufacturing process.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a combined driver and synchronous rectification controller is needed for half-bridge designs. Consider the ISL6571A/B alternatives if different dead time characteristics are required, as they offer fixed internal dead times. Verify that the external MOSFETs match the driver's current sourcing and sinking capabilities.

Full Half-Bridge (H Bridge) Drivers Part Context

The ISL6571 series belongs to Intersil's portfolio of analog power management ICs, now integrated into Renesas Electronics' product line following the 2016 acquisition. This family focuses on efficient power conversion solutions using complementary MOSFET technologies. The part represents a specialized solution for integrating gate driving and synchronous control in a single package.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult Renesas Electronics' Product Legacy Documents for official replacement recommendations or cross-reference with STMicroelectronics L6571 series components if functional compatibility is verified.