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EMC1702-1-KP-TR

MCHPEMC1702-1-KP-TR

Microchip Technology
Current & Power Monitors & Regulators Single I2C/SMBus 3-24V Sensor
3,764 in stock

Overview

The EMC1702-1-KP-TR is a high-side current and power monitor with integrated temperature sensing capabilities, operating over a wide 3V to 24V range. It provides a compact solution for monitoring bus voltage and sense resistor voltage drops, reporting data over an SMBus/I2C compatible interface. The device features a hardware-set peak detector to capture transient current events that software polling might miss.

Why Choose This Part

This IC offers high integration by combining current sensing, voltage monitoring, and temperature measurement into a single 4mm x 4mm QFN package. It maintains 1 percent accuracy across its operating range and includes a dedicated hardware peak detector for capturing fast transients without high CPU overhead.

Applications

High-Side Current Sensing
Monitoring current draw from 3V to 24V rails in industrial systems and power management units.
Computing Power Management
Precise power monitoring for notebook and desktop motherboard rails to optimize thermal and battery performance.
Transient Detection
Utilizing the hardware peak detector to identify and log short-duration current spikes in embedded systems.
Thermal Management
Combining current sensing with external diode temperature monitoring for comprehensive system health tracking.

Getting Started

Evaluation can be performed using Microchip thermal management development tools or by interfacing the 12-pin QFN to an MCU via the SMBus/I2C pins. Engineers should select a shunt resistor sized for the expected current range to maximize the resolution of the internal ADC. Ensure the external diode for temperature sensing is placed near the primary heat source for accurate thermal reporting.

Also Consider

INA219 TITexas Instruments - A widely used alternative for bidirectional current and power monitoring up to 26V with a smaller SOT-23 package.