PAC1944T-E/4MXVAO

Current Regulation/Management Overview

The PAC1944T-E/4MXVAO is a quad-channel, high-precision power monitor manufactured by Microchip Technology. It features an I2C-compatible interface for digital communication and integrates four independent measurement channels with dedicated sense resistors. The device supports bidirectional current flow and provides real-time monitoring of voltage, current, and power consumption across multiple rails. Designed for industrial and commercial applications, it offers high accuracy and low quiescent current to ensure efficient system management and energy tracking in complex embedded environments.

Current Regulation/Management Feature Summary

• Quad-channel architecture enabling simultaneous monitoring of four independent power rails
• Integrated high-precision analog-to-digital conversion for accurate voltage, current, and power calculations
• I2C digital interface facilitating straightforward integration with microcontrollers and host systems
• Bidirectional current sensing capability supporting both sourcing and sinking load conditions

Current Regulation/Management Applications

• Industrial automation systems requiring multi-rail power monitoring
• Telecommunications infrastructure equipment for energy efficiency tracking
• Consumer electronics with multiple power domains needing precise current measurement
• Embedded computing platforms utilizing I2C-based control architectures

Current Regulation/Management Procurement Notes

Verify the specific suffix 'E/4MXVAO' against official Microchip documentation to confirm temperature range, packaging type, and tape/reel specifications. Ensure compatibility with your system's I2C bus voltage levels and address configuration requirements before procurement.

Current Regulation/Management Selection Notes

Select this component when multi-channel power monitoring is required within a single IC footprint. Consider its I2C interface compatibility and precision requirements relative to other Microchip power monitors like the PAC1934 or PAC1953 based on channel count and accuracy needs.

Current Regulation/Management Part Context

This part belongs to Microchip's PAC19xx series of power monitors, designed for high-accuracy energy measurement. The series typically includes variants with different channel counts and interfaces, catering to diverse industrial and commercial power management applications requiring detailed electrical parameter tracking.

Current Regulation/Management Replacement Considerations

Check Microchip's official cross-reference guides for direct pin-to-pin replacements such as the PAC1944A or PAC1944B. Verify that any substitute maintains the same I2C protocol support and channel configuration to ensure seamless integration without hardware redesign.

Current Regulation/Management FAQ

Does the PAC1944T-E/4MXVAO support bidirectional current measurement?

Yes, the device is designed to measure current flowing in both directions, allowing it to monitor power sources and loads effectively.

What communication interface does this power monitor use?

It utilizes a standard I2C-compatible serial interface for data exchange with the host controller.