ISL88021IU8HEZ-TK

Supervisors Overview

The ISL88021IU8HEZ-TK is a triple voltage supervisor manufactured by Renesas Electronics Corporation. It features three independent voltage monitoring channels with thresholds of 2.947V, 4.649V, and an adjustable setting. The device operates within a temperature range of -40°C to +85°C (TA). Key electrical specifications include an operating supply current of 15 µA and overvoltage thresholds at 616 mV, 3 V, and 4.733 V. The component supports an adjustable Power-On Reset (POR) timeout.

Supervisors Feature Summary

• Triple voltage monitoring capability for comprehensive system supervision
• Adjustable Power-On Reset timeout functionality
• Low power consumption design suitable for battery-operated applications

Supervisors Applications

• Portable electronic devices requiring multi-rail power supervision
• Battery-powered systems needing low quiescent current monitoring
• Industrial control units with multiple voltage domains

Supervisors Procurement Notes

Verify the obsolete status of this part number before procurement planning. Confirm availability through authorized distributors or alternative package types offered by Renesas. Ensure that the specific suffix matches the required threshold configurations. Check for RoHS compliance details as information may vary. Validate lead times and substitute options due to discontinuation.

Supervisors Selection Notes

Select this component when triple voltage monitoring is required with low standby current. The adjustable POR timeout allows customization for specific reset timing needs. Consider the operating temperature range for environmental compatibility. Verify that the available voltage thresholds meet the system's critical rail requirements. Evaluate alternative packages if the standard housing is unavailable.

Supervisors Part Context

This supervisor belongs to Renesas' portfolio of power management integrated circuits designed for reliable system protection. It integrates multiple monitoring functions into a compact form factor. The device supports various industrial and consumer applications where precise voltage oversight is essential for operational integrity and safety.

Supervisors Replacement Considerations

View alternative package types provided by Renesas for this discontinued product. Consult official documentation for compatible substitutes with similar threshold configurations. Verify pinout compatibility before integrating replacement components into existing designs.