LTC2947IUFE#PBF

Introduction

The LTC2947IUFE#PBF is a versatile product belonging to the category of power management integrated circuits (PMICs). This device offers a wide range of features and characteristics that make it suitable for various applications in the field of power management.

Basic Information Overview

• Category: Power Management Integrated Circuit (PMIC)
• Use: The LTC2947IUFE#PBF is used for monitoring battery, supercapacitor, or other energy storage system status in portable systems.
• Characteristics: It features an onboard 14-bit delta-sigma ADC with an I2C interface for reporting voltage, current, power, charge, and energy. Additionally, it includes an input noise filter, automatic sleep mode, and programmable undervoltage and overvoltage thresholds.
• Package: The LTC2947IUFE#PBF comes in a 16-lead plastic QFN package.
• Essence: The essence of this product lies in its ability to accurately monitor and report various parameters related to energy storage systems.
• Packaging/Quantity: The LTC2947IUFE#PBF is typically available in reels with a specific quantity per reel.

Specifications

The specifications of LTC2947IUFE#PBF include: - Input Voltage Range: 2.7V to 100V - Operating Temperature Range: -40°C to 125°C - Voltage Measurement Accuracy: ±0.5% - Current Measurement Accuracy: ±1% - Charge Measurement Accuracy: ±1%

Detailed Pin Configuration

The detailed pin configuration of LTC2947IUFE#PBF includes: 1. VIN: Input Voltage 2. GND: Ground 3. SDA: I2C Data 4. SCL: I2C Clock 5. ALERT: Alert Output 6. VCC: Supply Voltage 7. INTVCC: Internal Supply Voltage 8. TS: Temperature Sense

Functional Features

The functional features of LTC2947IUFE#PBF are as follows: - Accurate Monitoring: It provides accurate monitoring of voltage, current, power, charge, and energy. - I2C Interface: The device features an I2C interface for easy communication with microcontrollers or other devices. - Noise Filtering: An onboard input noise filter ensures reliable measurements in noisy environments. - Programmable Thresholds: Users can set programmable undervoltage and overvoltage thresholds for alerting purposes.

Advantages and Disadvantages

Advantages

• High Accuracy: The LTC2947IUFE#PBF offers high accuracy in measuring various parameters.
• Versatility: It can be used with a wide range of energy storage systems.
• Easy Integration: The I2C interface simplifies integration with other components.

Disadvantages

• Limited Voltage Range: The input voltage range may not be suitable for certain high-voltage applications.

Working Principles

The LTC2947IUFE#PBF operates by continuously monitoring the input voltage and current, and integrating these values to calculate power, charge, and energy. It communicates these measurements via the I2C interface and can trigger alerts based on user-programmed thresholds.

Detailed Application Field Plans

The LTC2947IUFE#PBF finds application in various fields, including: - Portable Electronics: It can be used in portable electronic devices to monitor battery status and manage power consumption. - Energy Storage Systems: The device is suitable for monitoring and managing energy storage systems such as supercapacitors and batteries in renewable energy applications. - Industrial Equipment: It can be integrated into industrial equipment for monitoring power usage and efficiency.

Detailed and Complete Alternative Models

Some alternative models to LTC2947IUFE#PBF include: - LTC2946: A similar device with slightly different specifications and features. - MAX17205: Another PMIC with comparable functionality but different packaging and interface options.

In conclusion, the LTC2947IUFE#PBF is a highly capable PMIC with precise monitoring capabilities, making it suitable for a wide range of applications in power management and energy storage systems.

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