PAC1952T-2E/4MXVAO

Current Regulation/Management Overview

The PAC1952T-2E/4MXVAO is a dual-channel power monitor manufactured by Microchip Technology. It supports low-side current sensing with an integrated accumulator for energy measurement. The device operates on a supply voltage ranging from 2.7 V to 5.5 V and maintains a typical operating supply current of 395 uA. It features high accuracy with a specified error of 1%. The component is housed in a 16-pin VQFN package and is designed for operation across an extended temperature range from -40°C to +125°C.

Current Regulation/Management Feature Summary

• Dual-channel architecture supporting simultaneous monitoring of two independent circuits
• Integrated accumulator function for cumulative energy measurement and tracking
• Low-side current sensing capability with high precision measurement performance
• Extended industrial temperature rating suitable for demanding operational environments

Current Regulation/Management Applications

• Battery management systems requiring precise energy accumulation
• Industrial equipment power monitoring and regulation
• Portable devices utilizing low-voltage power architectures
• Automotive electronics requiring robust thermal performance

Current Regulation/Management Procurement Notes

Verify the specific suffix VAO against official Microchip documentation to confirm compliance with automotive qualification standards or specific variant requirements. Ensure that the low-side sensing configuration aligns with the target circuit topology. Cross-reference the VQFN-16 package dimensions with PCB layout guidelines to guarantee mechanical fit and thermal dissipation capabilities.

Current Regulation/Management Selection Notes

Select this component when dual-channel monitoring with energy accumulation is required within a low-voltage system. The low-side sensing approach necessitates careful placement relative to the ground reference. Consider the 395 uA quiescent current impact on overall system efficiency. Verify that the 1% accuracy specification meets the precision requirements of the monitored loads before finalizing the design.

Current Regulation/Management Part Context

This part belongs to the PAC1952 series of power monitors, which are designed for accurate current and power measurement. The series typically includes variants with different sensing methods and channel counts. The PAC1952T-2E/4MXVAO specifically denotes the dual-channel low-side version with automotive-grade packaging options, distinguishing it from single-channel or high-side sensing counterparts.

Current Regulation/Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult Microchip Technology directly for qualified alternatives or cross-reference data.