PAC1953T-E/4MXVAO

Current Regulation/Management Overview

The PAC1953T-E/4MXVAO is a three-channel power monitor manufactured by Microchip Technology, designed for high-side current sensing applications. It operates within a supply voltage range of 2.7 V to 5.5 V and features an accuracy of 1%. The device draws a typical operating supply current of 395 uA and supports an extended industrial temperature range from -40°C to +125°C. Packaged in a WLCSP-16 format, it integrates accumulator functions for energy monitoring.

Current Regulation/Management Feature Summary

• Provides simultaneous measurement of current and power across three independent channels using high-side sensing topology.
• Integrates accumulator functionality to track cumulative energy consumption over time without external microcontroller intervention.
• Delivers high DC precision with 1% accuracy to ensure reliable data acquisition in sensitive power management systems.

Current Regulation/Management Applications

• Battery management systems requiring precise charge and discharge monitoring
• Portable electronic devices needing low-power operational characteristics
• Industrial equipment utilizing high-side current sensing for load protection

Current Regulation/Management Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm pinout and functional compatibility. Ensure that the WLCSP-16 package dimensions align with your PCB footprint requirements. Confirm that the operating voltage range meets your system's power rail specifications before integration.

Current Regulation/Management Selection Notes

Select this component when multi-channel high-side monitoring is required alongside integrated energy accumulation. Consider the WLCSP-16 package size constraints and the 1% accuracy specification relative to other available options. Evaluate the 395 uA quiescent current impact on overall system efficiency during active operation phases.

Current Regulation/Management Part Context

This part belongs to the PAC1953 series of power monitors from Microchip Technology. The series focuses on providing accurate current and power measurements for battery-powered and portable applications. The specific model variant indicates a particular packaging and temperature grade configuration within the broader product family.

Current Regulation/Management Replacement Considerations

Consult official substitution guides for compatible alternatives within the same product family or equivalent third-party solutions. Verify electrical parameter matching and package compatibility before replacing the original component in existing designs.