MAX17040G+U

Product Overview

Category: Integrated Circuit (IC)
Use: Battery Fuel Gauge
Characteristics: High accuracy, low power consumption
Package: 14-pin TDFN
Essence: Monitors and reports battery capacity in portable devices
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Operating Voltage Range: 2.5V to 4.5V
Battery Voltage Range: 1V to 4.5V
Current Consumption: 7µA (typical)
Fuel Gauge Accuracy: ±1%
Temperature Measurement Range: -40°C to +85°C
Interface: I2C

Pin Configuration

The MAX17040G+U has a 14-pin TDFN package with the following pin configuration:

VDD
GND
SDA
SCL
ALERT
BAT
TS
VSS
VSS
VSS
VSS
VSS
VSS
VSS

Functional Features

Accurate measurement of battery capacity
Real-time reporting of remaining battery capacity
Low power consumption for extended battery life
Temperature monitoring for improved performance
Programmable alert thresholds for customized notifications

Advantages

High accuracy fuel gauge ensures reliable battery capacity information
Low power consumption minimizes impact on battery life
Wide operating voltage range allows compatibility with various battery types
Temperature measurement enhances performance in extreme conditions
Customizable alert thresholds provide flexibility for different applications

Disadvantages

Limited to I2C interface, may not be compatible with all systems
Requires external components for complete battery monitoring solution

Working Principles

The MAX17040G+U utilizes a sophisticated algorithm to accurately measure the remaining capacity of a battery. It continuously monitors the voltage, current, and temperature of the battery to estimate its state of charge. The IC communicates with the host system through the I2C interface, providing real-time updates on the battery's capacity.

Application Field Plans

The MAX17040G+U is widely used in portable electronic devices that rely on batteries. Some potential application fields include:

Smartphones and tablets
Wearable devices
Portable medical equipment
GPS navigation systems
Portable gaming consoles

Alternative Models

For those seeking alternative options, the following models provide similar functionality:

MAX17043G+U
MAX17044G+U
MAX17048G+U
MAX17049G+U

These models offer comparable features and can be considered as alternatives to the MAX17040G+U.

In conclusion, the MAX17040G+U is an integrated circuit battery fuel gauge designed for accurate measurement and reporting of battery capacity in portable devices. Its high accuracy, low power consumption, and temperature monitoring make it a reliable choice for various applications. However, compatibility limitations and the need for additional components should be taken into consideration.

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MAX17040G+U in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MAX17040G+U in technical solutions:

Q: What is the MAX17040G+U?
A: The MAX17040G+U is a fuel gauge IC (integrated circuit) designed for accurately measuring the remaining capacity of a single-cell lithium-ion battery.
Q: What is the typical operating voltage range of the MAX17040G+U?
A: The typical operating voltage range is from 2.7V to 4.5V.
Q: How does the MAX17040G+U measure battery capacity?
A: It uses a patented ModelGauge m5 algorithm that combines the measurement of voltage, current, temperature, and other parameters to estimate the state of charge (SOC) and remaining capacity of the battery.
Q: Can the MAX17040G+U be used with different battery chemistries?
A: No, it is specifically designed for use with single-cell lithium-ion batteries.
Q: What is the communication interface supported by the MAX17040G+U?
A: It supports I2C (Inter-Integrated Circuit) communication interface.
Q: Is the MAX17040G+U suitable for low-power applications?
A: Yes, it has a low quiescent current consumption of typically 8µA, making it suitable for power-sensitive applications.
Q: Does the MAX17040G+U provide any protection features for the battery?
A: Yes, it includes overvoltage protection, undervoltage lockout, and thermal shutdown features to protect the battery from damage.
Q: Can the MAX17040G+U be used in portable devices?
A: Yes, it is commonly used in portable devices such as smartphones, tablets, wearables, and other battery-powered devices.
Q: Does the MAX17040G+U require external components for operation?
A: Yes, it requires a few external passive components such as resistors and capacitors for proper operation.
Q: Is there any evaluation kit available for the MAX17040G+U?
A: Yes, Maxim Integrated provides an evaluation kit (MAX17040GEVKIT) that allows users to easily evaluate and test the functionality of the MAX17040G+U in their applications.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.