PAC1951T-2E/4MX

Current Regulation/Management Overview

The PAC1951T-2E/4MX is a single-channel power monitor manufactured by Microchip Technology. It supports both high-side and low-side current sensing with an integrated accumulator for energy measurement. The device operates on a supply voltage between 2.7 V and 5.5 V, drawing a typical operating current of 395 µA. It provides 1% accuracy and functions within a temperature range of -40°C to +125°C. The component is housed in a WLCSP-16 package.

Current Regulation/Management Feature Summary

• Integrated accumulator for cumulative energy monitoring
• Supports high-side or low-side current sensing configurations
• High accuracy performance for precise power measurements

Current Regulation/Management Applications

• Battery management systems
• Portable electronic devices
• Industrial equipment power monitoring

Current Regulation/Management Procurement Notes

Verify the specific suffix '4MX' against official Microchip documentation to confirm the WLCSP-16 packaging and tape-and-reel configuration. Ensure compatibility with the target PCB footprint and reflow soldering profile. Confirm that the 1% accuracy specification meets the design requirements for the intended application environment.

Current Regulation/Management Selection Notes

Select this component when a single-channel solution with integrated energy accumulation is required. It is suitable for designs needing flexible high-side or low-side sensing options. Consider the WLCSP-16 package size constraints and the 395 µA quiescent current impact on overall system power budget during selection.

Current Regulation/Management Part Context

This part belongs to the PAC1951 series of power monitors from Microchip Technology. The series focuses on providing accurate current and power measurement capabilities in compact packages. The PAC1951 variant specifically offers single-channel monitoring with built-in accumulation features for efficient energy tracking in embedded systems.

Current Regulation/Management Replacement Considerations

Consult official Microchip documentation for verified cross-reference part numbers. Do not substitute based on generic specifications alone.