LTC4151IS-2#PBF

Power Supply Controllers, Monitors Overview

The LTC4151IS-2#PBF is a high-side current and power monitor manufactured by Analog Devices Inc. It operates within a supply voltage range of 7 V to 80 V and draws a typical operating supply current of 1.2 mA. The device is housed in an MSOP-10 surface-mount package and functions across a temperature range of -40°C to +85°C. It provides digital monitoring capabilities via an I²C interface, facilitating precise system-level power management.

Power Supply Controllers, Monitors Feature Summary

• High-side current sensing with integrated differential amplification for accurate measurement
• I²C digital output providing real-time current, voltage, and calculated power data
• Built-in 16-bit delta-sigma ADC for high-resolution signal conversion

Power Supply Controllers, Monitors Applications

• Battery-powered portable devices requiring precise state-of-charge estimation
• System-level power monitoring in industrial equipment
• Current limiting and protection circuits in high-voltage systems

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and functional variations. Confirm availability status as distribution channels may report limited stock or end-of-life conditions. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

Power Supply Controllers, Monitors Selection Notes

Select this component when high-side monitoring is required for voltages up to 80 V. The MSOP-10 package suits space-constrained designs. Verify that the I²C address and register map align with the host microcontroller's communication protocol. Consider the 1.2 mA quiescent current impact on total system power budget during active operation.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC4151 family of current and power monitors. It is designed for applications needing accurate coulomb counting and power tracking without external complex circuitry. The series supports various packaging options and voltage ranges to accommodate different system architectures.

Power Supply Controllers, Monitors Replacement Considerations

Consult Analog Devices technical resources for verified cross-reference part numbers. Ensure any substitute maintains compatibility with the 7 V to 80 V input range and I²C interface requirements.