MAX17073ETJ+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)
Use: Power Management IC
Characteristics: Low-power fuel gauge with ModelGauge m5 EZ algorithm
Package: 32-TQFN (5x5)
Essence: Accurate battery state-of-charge estimation
Packaging/Quantity: Tape & Reel (TR), 2500 pieces per reel

Specifications

Voltage - Supply: 2.7V to 4.5V
Operating Temperature: -40°C to +85°C
Battery Chemistry: Li-Ion, Li-Pol
Number of Cells: 1
Current - Output: 10µA to 50mA
Interface: I²C
Features: Alert, POR, Temp Compensation, Trickle Charge, Voltage Divider

Detailed Pin Configuration

The MAX17073ETJ+ has a total of 32 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Voltage Input | | 2 | GND | Ground | | 3 | SDA | I²C Serial Data Input/Output | | 4 | SCL | I²C Serial Clock Input | | ... | ... | ... |

Functional Features

Accurate battery state-of-charge estimation using the ModelGauge m5 EZ algorithm
Eliminates battery characterization requirements
Provides accurate time-to-empty and time-to-full predictions
Supports multiple battery chemistries
Integrated temperature sensor for improved accuracy
Programmable alert function for low battery voltage detection
Power-on reset (POR) function for reliable startup
Trickle charge capability for low battery conditions
Voltage divider for monitoring battery voltage

Advantages and Disadvantages

Advantages

Accurate estimation of battery state-of-charge
Eliminates the need for battery characterization
Provides reliable time-to-empty and time-to-full predictions
Supports various battery chemistries
Integrated temperature sensor enhances accuracy

Disadvantages

Limited to single-cell battery applications
Requires I²C interface for communication

Working Principles

The MAX17073ETJ+ utilizes the ModelGauge m5 EZ algorithm to accurately estimate the state-of-charge of a single-cell Li-Ion or Li-Pol battery. It eliminates the need for battery characterization, making it easier to implement in various applications. The integrated temperature sensor compensates for temperature variations, ensuring accurate readings. The device communicates with the host microcontroller through the I²C interface, providing real-time battery information.

Detailed Application Field Plans

The MAX17073ETJ+ is widely used in portable electronic devices, such as smartphones, tablets, smartwatches, and portable medical devices. It is also suitable for applications where accurate battery monitoring is crucial, such as industrial equipment, IoT devices, and wearable technology.

Detailed and Complete Alternative Models

MAX17075ETM+: Similar to MAX17073ETJ+, but with a different package (48-TQFN)
MAX17077ETM+: Enhanced version with additional features like fuel gauge calibration and programmable input current limit
MAX17078ETM+: Higher voltage range (2.7V to 5.5V) variant with extended temperature range (-40°C to +125°C)

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX17073ETJ+ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX17073ETJ+ in technical solutions:

Q: What is the MAX17073ETJ+? A: The MAX17073ETJ+ is a fuel gauge IC (Integrated Circuit) designed for accurately measuring the remaining capacity of a single-cell lithium-ion battery.
Q: How does the MAX17073ETJ+ measure battery capacity? A: It uses a combination of voltage, current, temperature, and other parameters to estimate the state of charge (SOC) and remaining capacity of the battery.
Q: Can the MAX17073ETJ+ be used with any type of battery? A: No, it is specifically designed for use with single-cell lithium-ion batteries.
Q: What is the typical accuracy of the MAX17073ETJ+? A: The MAX17073ETJ+ has a typical accuracy of ±1% for SOC estimation.
Q: Does the MAX17073ETJ+ require calibration? A: No, it comes pre-calibrated from the factory and does not require user calibration.
Q: Can the MAX17073ETJ+ communicate with a microcontroller or host system? A: Yes, it supports I2C communication, allowing easy integration with microcontrollers or host systems.
Q: What is the operating voltage range of the MAX17073ETJ+? A: It operates from 2.7V to 4.8V, making it suitable for various battery-powered applications.
Q: Does the MAX17073ETJ+ have built-in protection features? A: Yes, it includes overvoltage, undervoltage, and overcurrent protection to safeguard the battery and the IC itself.
Q: Can the MAX17073ETJ+ measure battery temperature? A: Yes, it has an integrated temperature sensor for accurate temperature measurement.
Q: What are some typical applications of the MAX17073ETJ+? A: It is commonly used in portable devices, wearables, IoT devices, and other battery-powered applications where accurate battery monitoring is essential.

Please note that these answers are general and may vary depending on specific product documentation and application requirements.