MAX17243ETPA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX17243ETPA+ is a highly efficient, low-power fuel gauge IC designed for use in portable electronic devices such as smartphones, tablets, and wearable devices. It accurately measures the remaining battery capacity and provides valuable information to optimize power management.

Characteristics: - High accuracy: The MAX17243ETPA+ utilizes advanced algorithms to provide precise battery capacity measurements, ensuring accurate power management decisions. - Low power consumption: This IC is specifically designed to minimize its own power consumption, thus maximizing the overall efficiency of the device it is integrated into. - Small form factor: The MAX17243ETPA+ comes in a compact package, making it suitable for space-constrained applications. - Wide operating voltage range: It can operate within a wide voltage range, accommodating various battery types and configurations. - Temperature monitoring: The IC includes temperature sensing capabilities, allowing it to adjust its calculations based on the ambient temperature.

Package: The MAX17243ETPA+ is available in a small 8-pin TDFN package, which offers excellent thermal performance and ease of integration.

Essence: The essence of the MAX17243ETPA+ lies in its ability to accurately measure battery capacity and provide crucial information for efficient power management in portable electronic devices.

Packaging/Quantity: The MAX17243ETPA+ is typically sold in reels containing 250 units per reel.

Specifications

• Operating Voltage Range: 2.7V to 4.5V
• Battery Capacity Measurement Accuracy: ±1%
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Dimensions: 3mm x 3mm x 0.8mm

Pin Configuration

The MAX17243ETPA+ features the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: I2C data line
4. SCL: I2C clock line
5. ALRT: Alert output
6. TS: Temperature sense input
7. BAT: Battery voltage input
8. NC: No connection

Functional Features

• Accurate battery capacity measurement
• Low power consumption
• Temperature monitoring for enhanced accuracy
• Programmable alert thresholds
• Integrated protection features (overvoltage, undervoltage, and overcurrent)

Advantages and Disadvantages

Advantages: - High accuracy in measuring battery capacity - Low power consumption, optimizing overall device efficiency - Compact form factor for space-constrained applications - Wide operating voltage range for compatibility with various batteries - Temperature monitoring for accurate calculations

Disadvantages: - Limited to I2C communication interface - Requires additional external components for complete power management solution

Working Principles

The MAX17243ETPA+ works by continuously monitoring the battery voltage, current, and temperature to accurately estimate the remaining battery capacity. It utilizes advanced algorithms to calculate the state of charge (SOC) and provides this information through the I2C interface. The IC also incorporates protection features to prevent damage to the battery and the device it powers.

Detailed Application Field Plans

The MAX17243ETPA+ is widely used in various portable electronic devices, including: - Smartphones - Tablets - Wearable devices (smartwatches, fitness trackers) - Portable medical devices - Handheld gaming consoles

Its accurate battery capacity measurement and low power consumption make it an ideal choice for applications where efficient power management is crucial.

Detailed and Complete Alternative Models

• MAX17055ETB+: Similar fuel gauge IC with a different package and pin configuration.
• MAX17048G+T: Fuel gauge IC with additional features such as programmable input current limit and battery authentication.
• BQ27441DRZR-G1: Competing fuel gauge IC from Texas Instruments, offering similar functionality.

These alternative models provide similar functionality to the MAX17243ETPA+ and can be considered as alternatives based on specific application requirements.

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