ISL88021IU8HFZ-TK

Supervisors Overview

The ISL88021IU8HFZ-TK is a high-performance, dual-channel half-bridge gate driver designed for driving silicon carbide (SiC) and gallium nitride (GaN) power devices. It features independent high-side and low-side outputs with optimized propagation delays to ensure precise switching control in high-frequency applications. The device integrates robust protection mechanisms including under-voltage lockout, shoot-through prevention, and thermal shutdown to enhance system reliability. Operating with a wide supply voltage range, it supports various industrial motor drives, solar inverters, and DC-DC converter topologies requiring efficient power management.

Supervisors Feature Summary

• Dual-channel half-bridge configuration for synchronized power stage control
• Integrated shoot-through prevention logic to protect connected power switches
• Under-voltage lockout ensures stable operation during supply transients
• Thermal shutdown protection prevents damage from excessive junction temperatures

Supervisors Applications

• Industrial motor drive systems
• Solar micro-inverters and string inverters
• High-efficiency DC-DC converters
• Wireless charging base stations

Supervisors Procurement Notes

Verify the specific suffix 'TK' indicates tape and reel packaging when sourcing. Confirm the manufacturer's current production status as automotive and industrial components may undergo lifecycle changes. Ensure compatibility with your PCB footprint for the UQFN package. Check for RoHS compliance documentation if required by your assembly standards. Validate that the operating temperature range meets your environmental specifications.

Supervisors Selection Notes

Select this component when driving SiC or GaN MOSFETs in half-bridge configurations. Consider its propagation delay characteristics for high-frequency switching requirements. Evaluate the supply voltage range against your gate drive power rail. Assess the need for integrated protection features versus external circuitry. Compare pin-out compatibility with existing designs if migrating from similar drivers.

Supervisors Part Context

This part belongs to Renesas' (formerly Intersil) portfolio of power management and gate driver solutions. It complements other half-bridge drivers in the series offering varying speed and current drive capabilities. The product line targets modern power electronics demanding high efficiency and compact form factors. It sits alongside discrete gate drive solutions and integrated power modules in the broader ecosystem.

Supervisors Replacement Considerations

Check for direct pin-to-pin replacements within the same family such as variants with different speed grades. Verify functional equivalence if substituting with competitors' parts regarding UVLO thresholds and propagation delays. Ensure the replacement supports the same package type to avoid PCB redesign. Confirm availability and lead times for alternative sources.