MAX17015AETP+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX17015AETP+ is a highly integrated battery fuel gauge IC designed for accurately monitoring the state of charge (SOC) of single-cell lithium-ion (Li+) batteries. It provides essential information about the battery's capacity, voltage, and temperature, enabling efficient power management in portable devices.

Characteristics: - High accuracy SOC estimation - Low power consumption - Wide operating voltage range - Temperature compensation - Programmable alert thresholds - I2C interface for easy communication with microcontrollers

Package: The MAX17015AETP+ comes in a small 16-pin TQFN package, making it suitable for space-constrained applications.

Essence: This IC is an essential component for battery-powered devices as it ensures accurate monitoring and management of battery performance, prolonging battery life and enhancing overall device efficiency.

Packaging/Quantity: The MAX17015AETP+ is typically sold in reels containing 250 units.

Specifications

• Operating Voltage Range: 2.7V to 4.5V
• Battery Capacity Range: 0mAh to 32767mAh
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Accuracy: ±1% SOC estimation error
• Standby Current: 7µA (typical)
• Shutdown Current: 0.1µA (typical)

Pin Configuration

The MAX17015AETP+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Input | | 2 | GND | Ground | | 3 | SDA | I2C Serial Data Input/Output | | 4 | SCL | I2C Serial Clock Input | | 5 | ALERT | Alert Output | | 6-9 | NC | No Connection | | 10 | TS | Temperature Sense Input | | 11 | BAT | Battery Voltage Sense Input | | 12-16 | NC | No Connection |

Functional Features

1. Accurate SOC Estimation: The MAX17015AETP+ utilizes advanced algorithms to provide precise estimation of the battery's state of charge, ensuring reliable information for power management decisions.

2. Low Power Consumption: With a standby current of only 7µA, this IC minimizes power drain on the battery, optimizing energy efficiency in portable devices.

3. Temperature Compensation: The temperature sense input allows the MAX17015AETP+ to compensate for variations in battery performance caused by temperature changes, enhancing accuracy in different operating conditions.

4. Programmable Alert Thresholds: The alert output pin can be configured to trigger an interrupt when the battery's SOC reaches specific thresholds, enabling timely actions to prevent unexpected shutdowns.

Advantages and Disadvantages

Advantages: - High accuracy SOC estimation - Low power consumption - Wide operating voltage range - Temperature compensation - Programmable alert thresholds

Disadvantages: - Limited to single-cell Li+ batteries - Requires I2C communication interface support in the host microcontroller

Working Principles

The MAX17015AETP+ works by continuously monitoring the battery voltage, current, and temperature. It uses sophisticated algorithms to estimate the battery's state of charge based on these measurements. The IC communicates with the host microcontroller through the I2C interface, providing real-time data and triggering alerts when necessary.

Detailed Application Field Plans

The MAX17015AETP+ is widely used in various battery-powered applications, including but not limited to: - Smartphones and tablets - Wearable devices - Portable medical equipment - Handheld gaming consoles - Wireless communication devices

Detailed and Complete Alternative Models

1. MAX17015AETI+: Similar to MAX17015AETP+, but comes in a 28-pin TQFN package.
2. MAX17015AETM+: Smaller version of MAX17015AETP+ with a 10-pin TDFN package.
3. MAX17015AETJ+: Offers extended temperature range (-40°C to +125°C) for harsh environments.

These alternative models provide flexibility in terms of package size, pin count, and temperature range, catering to different design requirements.

In conclusion, the MAX17015AETP+ is a highly integrated battery fuel gauge IC that offers accurate SOC estimation, low power consumption, and temperature compensation. It finds extensive use in various portable devices, ensuring efficient power management and prolonging battery life.