ICL7665SCPA

Supervisors Overview

The ICL7665SCPA is a CMOS micropower supervisory circuit manufactured by Renesas Electronics Corporation. It integrates two individually programmable voltage detectors on a single chip, designed for monitoring supply voltages in battery-operated systems. The device operates within an input voltage range of 1.6V to 16V and features adjustable power-on reset (POR) timeout thresholds. It supports manual reset functionality and includes a watchdog timer option. The component is housed in an SOIC-8 package and is suitable for applications requiring precise voltage supervision with low power consumption.

Supervisors Feature Summary

• Integrates two independently programmable voltage detectors on a single CMOS chip
• Supports adjustable power-on reset timeout thresholds for flexible system configuration
• Features low quiescent current operation suitable for battery-powered applications
• Includes manual reset capability and optional watchdog timer functionality

Supervisors Applications

• Battery operated systems
• Portable computers
• Memory power back-up
• Charging systems
• Level detectors

Supervisors Procurement Notes

Verify the specific suffix 'CPA' against official Renesas documentation to confirm package type and temperature grade. Ensure the ordering part number matches the exact pinout and electrical specifications required for your design. Cross-reference with the latest datasheet revision to confirm availability and any potential obsolescence notices from the manufacturer.

Supervisors Selection Notes

Select this component when dual-channel voltage monitoring is required with adjustable thresholds. Consider the 1.6V minimum operating voltage for compatibility with single-cell lithium batteries. Evaluate the need for manual reset and watchdog features based on system reliability requirements. Compare power consumption metrics against other supervisory ICs if extended battery life is critical.

Supervisors Part Context

The ICL7665 series belongs to Renesas' portfolio of CMOS micropower supervisory circuits. These devices are designed to provide reliable voltage monitoring in portable and battery-driven electronics. The ICL7665SCPA specifically offers dual detector channels, allowing for comprehensive system health monitoring. It complements other Renesas PMIC solutions by providing dedicated supervision functions.

Supervisors Replacement Considerations

Check for direct replacements like ICL7665SAIBA or ICL7665S variants with different suffixes. Verify pin compatibility and electrical parameter equivalence before substitution. Consult Renesas cross-reference guides for approved alternative part numbers that maintain functional integrity.