CS5467K-ISZR

Overview

The CS5467K-ISZR is a single-phase energy metering integrated circuit manufactured by Cirrus Logic Inc. It operates within a supply voltage range of 4.75 V to 5.25 V and consumes 2.9 mA of supply current. The device features an input impedance of 30 kOhm and achieves a measurement error of 0.1%. It utilizes a 28-SSOP package with dimensions of 10.2 mm length and 5.30 mm width. The component supports digital I/O levels with high voltage at 4V and low voltage at 0.2V. It functions as a four-channel power and energy monitor suitable for single-phase applications.

Feature Summary

• Provides precise single-phase energy and power monitoring capabilities
• Integrates four independent measurement channels for comprehensive analysis
• Delivers high accuracy with minimal measurement error in utility applications

Applications

• Single-phase electricity metering systems
• Power quality monitoring devices
• Energy management instrumentation

Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing design specifications if replacing discontinued units. Check RoHS compliance certificates for regulatory adherence. Validate pinout and electrical parameters against original datasheets to prevent integration errors.

Selection Notes

Select this component for single-phase metering designs requiring four-channel monitoring. Consider the 28-SSOP package constraints for PCB layout. Evaluate the 4.75 V to 5.25 V supply requirement against system power rails. Assess the 0.1% measurement error against application accuracy needs. Verify thermal performance within the -40°C to 85°C operating range.

Part Context

This part belongs to the CS546x IC family from Cirrus Logic, designed for energy metering applications. It serves as a specialized solution for single-phase power measurement. The component integrates analog front-end processing with digital output interfaces. It is engineered for utility-grade accuracy and reliability in energy monitoring environments.

Replacement Considerations

Public confirmed substitute part numbers include CS5461AK-ISZ and CS5463K-ISZR. Verify pinout compatibility and electrical parameter alignment when substituting. Review datasheet differences for interface and packaging variations.