LTC4151IMS

Power Supply Controllers, Monitors Overview

The LTC4151IMS is a high-side current and power monitor manufactured by Analog Devices Inc. It features an integrated 16-bit delta-sigma ADC for precise measurement of input voltage and current flowing through an external sense resistor. The device operates within a supply voltage range of 7 V to 80 V and draws a typical operating current of 1.2 mA. It communicates via an I²C interface and is housed in a 10-lead MSOP package. The component supports an operating temperature range from -40°C to +85°C.

Power Supply Controllers, Monitors Feature Summary

• Provides high-side current sensing with integrated signal amplification and digitization
• Delivers real-time digital output of voltage, current, and calculated power values
• Enables accurate state-of-charge estimation through direct coulomb counting capabilities

Power Supply Controllers, Monitors Applications

• Battery-powered portable devices requiring precise remaining runtime prediction
• AI translation machines and similar task-intensive smart hardware
• Systems utilizing single or multi-cell lithium battery configurations

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix TRPBF indicates tape-and-reel packaging when sourcing. Confirm availability status as distribution channels may report limited stock or special order requirements. Ensure the selected variant matches the required thermal grade and package dimensions for the target PCB layout.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications demanding high-resolution monitoring without complex external processing. The wide input voltage range accommodates various battery chemistries. Ensure the system microcontroller supports the I²C protocol for register access and data retrieval.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC4151 family of current and power monitors designed for precision energy management. It serves as a dedicated sensor for power path monitoring, replacing traditional voltage-based estimation methods with direct current integration for improved accuracy in dynamic load scenarios.

Power Supply Controllers, Monitors Replacement Considerations

Consult official documentation for verified substitute part numbers. Generic cross-references are not provided due to unique internal architecture specifications.