LM25056APSQX/NOPB

Overview

The LM25056APSQX/NOPB is a single-phase power meter IC from Texas Instruments, designed for precise energy measurement applications. It operates within a supply voltage range of 3 V to 17 V and supports I/O voltages between 0.9 V and 2.1 V. The device features a low operating supply current of 1.7 mA and achieves a measurement error of 0.5%. Packaged in a 24-WQFN (4x5) surface-mount format, it functions reliably across an extended temperature range from -40°C to +125°C.

Feature Summary

• Provides single-phase power metering capabilities with integrated signal processing
• Ensures high accuracy through a specified measurement error of 0.5%
• Supports flexible logic interface levels ranging from 0.9 V to 2.1 V

Applications

• Single-phase smart metering systems
• Energy monitoring modules
• Power quality analysis devices

Procurement Notes

Verify the specific suffix APSQX against the official datasheet to confirm package dimensions and tape-and-reel specifications. Ensure the ordering part number matches the exact moisture sensitivity level and reflow soldering profile requirements for your assembly process. Cross-reference the 24-WQFN footprint with the manufacturer's published land pattern drawing to prevent placement errors during manufacturing.

Selection Notes

Select this component when designing single-phase energy measurement circuits requiring high accuracy and low power consumption. The 24-WQFN package is suitable for space-constrained PCB layouts. Verify that the system supply voltage remains within the 3 V to 17 V operational window and that the required I/O voltage levels align with the 0.9 V to 2.1 V support range for proper interfacing.

Part Context

This device belongs to the LM25056A series of power management ICs, specifically categorized under PMIC and power metering solutions. It is manufactured by Texas Instruments and falls within the broader portfolio of precision analog and digital signal processing components used for utility metering and industrial power monitoring applications.

Replacement Considerations

Consult the official TI replacement matrix for verified cross-reference part numbers. Ensure any substitute maintains the 24-WQFN package outline and meets the same electrical specifications for measurement accuracy and operating voltage ranges.