MAX17244ETESA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX17244ETESA+ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for power management applications.

Characteristics

• The MAX17244ETESA+ is a low-power, high-voltage, 2-cell fuel gauge IC.
• It provides accurate battery state-of-charge (SOC) information.
• This IC offers an I2C interface for easy communication with microcontrollers.
• It has a wide operating voltage range and low quiescent current consumption.
• The MAX17244ETESA+ is designed to optimize battery life in portable devices.

Package and Quantity

The MAX17244ETESA+ is available in a small 8-pin TDFN package. It is typically sold in reels of 2500 units.

Specifications

• Operating Voltage Range: 2.5V to 4.5V
• Quiescent Current: 7µA (typical)
• Battery Voltage Measurement Accuracy: ±1%
• Temperature Measurement Accuracy: ±1°C
• I2C Interface Speed: Up to 400kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX17244ETESA+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | SDA | I2C Data | | 3 | SCL | I2C Clock | | 4 | VDD | Power Supply| | 5 | TS | Temperature Sensor Input | | 6 | BAT | Battery Voltage Input | | 7 | ALRT | Alert Output | | 8 | NC | No Connection |

Functional Features

• Accurate battery state-of-charge (SOC) estimation.
• Temperature measurement for thermal management.
• Low quiescent current consumption for extended battery life.
• I2C interface for easy integration with microcontrollers.
• Alert output for battery status notifications.

Advantages and Disadvantages

Advantages

• Accurate SOC estimation helps optimize battery usage.
• Wide operating voltage range allows compatibility with various battery types.
• Low quiescent current consumption minimizes power drain.
• I2C interface simplifies communication with microcontrollers.
• Alert output enables real-time battery status monitoring.

Disadvantages

• Limited to 2-cell battery applications.
• Requires external components for complete system integration.
• Relatively small package size may require careful PCB layout design.

Working Principles

The MAX17244ETESA+ utilizes advanced algorithms to accurately estimate the state-of-charge of a 2-cell battery. It measures the battery voltage and temperature, which are crucial parameters for determining the SOC. The IC communicates this information through the I2C interface, allowing the host microcontroller to make informed decisions regarding power management.

Detailed Application Field Plans

The MAX17244ETESA+ finds applications in various portable devices, including but not limited to: - Smartphones and tablets - Wearable devices - Portable medical equipment - Handheld gaming consoles - GPS navigation systems

Detailed Alternative Models

For similar functionality, alternative models to the MAX17244ETESA+ include: - MAX17043G+T - BQ27441DRZR-G1 - LTC2943IDD#PBF - DS2786G+T&R

These alternatives offer comparable features and can be considered based on specific application requirements.

In conclusion, the MAX17244ETESA+ is a versatile integrated circuit designed for accurate battery state-of-charge estimation and power management in 2-cell battery applications. Its low-power consumption, wide operating voltage range, and I2C interface make it an ideal choice for various portable devices.

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