ISL88003IE46Z-T

Supervisors Overview

The ISL88003IE46Z-T is a voltage supervisory circuit manufactured by Renesas Electronics Corporation. It features a push-pull output and monitors a single input without manual reset or watchdog timer capabilities. The device operates within a supply voltage range of 1.8 V to 5.5 V, with a threshold voltage of 4.62 V and an over-voltage threshold of 4.681 V. It exhibits a reset delay time of 190 ms and an accuracy of 1.2%. The component consumes a working power current of 400 nA and functions in temperatures from -40°C to +85°C. It is housed in an SC-70-3 package.

Supervisors Feature Summary

• Push-pull output configuration for direct logic interface
• High precision voltage monitoring with 1.2% accuracy
• Ultra-low quiescent current consumption of 400 nA
• Compact surface-mount packaging suitable for space-constrained designs

Supervisors Applications

• Portable electronic devices requiring low-power supervision
• Battery-operated systems needing brownout protection
• Embedded circuits with strict size limitations
• General purpose voltage monitoring in consumer electronics

Supervisors Procurement Notes

This component is listed as obsolete or end-of-life by the manufacturer. Availability is limited to existing stock or third-party distributors. Verify lead times and authenticity carefully when sourcing from non-direct channels. Consider design-in alternatives if long-term supply stability is required for new production runs. Check RoHS compliance details specifically for the specific batch acquired.

Supervisors Selection Notes

Select this part only if the specific 4.62 V threshold and push-pull output align with system requirements. Evaluate the 190 ms reset delay against processor startup times. Ensure the SC-70-3 package fits the PCB layout constraints. Compare performance against newer Renesas supervisory ICs that may offer integrated watchdogs or lower current draw if those features are needed.

Supervisors Part Context

The ISL88003 series belongs to Renesas' portfolio of voltage supervisory circuits, originally developed under Intersil. These components are designed for reliable system management in portable and industrial applications. The family typically offers various threshold options and output types to suit different microcontroller reset requirements.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the part is obsolete, engineers should consult Renesas technical support for recommended migration paths to current supervisory IC families.