MAX17014ETM+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Fuel Gauge
• Characteristics: Accurate battery capacity measurement, low power consumption, small form factor
• Package: 12-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Provides accurate estimation of remaining battery capacity
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Operating Voltage Range: 2.5V to 4.5V
• Battery Voltage Range: 2.5V to 4.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Chemistry: Li-Ion/Li-Polymer
• Communication Interface: I2C
• Accuracy: ±1%
• Standby Current: 7µA (typical)
• Shutdown Current: 0.1µA (typical)

Pin Configuration

The MAX17014ETM+T has a total of 12 pins. The pin configuration is as follows:

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: I2C data line
4. SCL: I2C clock line
5. INT: Interrupt output
6. TS: Thermistor input for temperature monitoring
7. BAT: Battery voltage input
8. VSS: Negative terminal of sense resistor
9. VS+: Positive terminal of sense resistor
10. SRP: Sense resistor positive terminal
11. SRN: Sense resistor negative terminal
12. NC: No connection

Functional Features

• Accurate Battery Capacity Measurement: The MAX17014ETM+T uses a sophisticated algorithm to accurately estimate the remaining battery capacity, providing reliable information to the user.
• Low Power Consumption: With a standby current of only 7µA, the MAX17014ETM+T minimizes power consumption, prolonging battery life.
• Small Form Factor: The 12-pin TDFN package allows for compact integration into various electronic devices.

Advantages and Disadvantages

Advantages: - Accurate estimation of remaining battery capacity - Low power consumption - Small form factor

Disadvantages: - Limited to Li-Ion/Li-Polymer battery chemistry - Requires I2C communication interface

Working Principles

The MAX17014ETM+T works by continuously monitoring the battery voltage and current. It uses an advanced algorithm to calculate the battery's state of charge (SOC) and remaining capacity. The IC also incorporates temperature monitoring to compensate for battery performance variations at different temperatures.

Detailed Application Field Plans

The MAX17014ETM+T is widely used in various applications that require accurate battery capacity measurement. Some of the common application fields include:

1. Portable Electronics: Smartphones, tablets, laptops, and other portable devices benefit from accurate battery capacity information to optimize power management and enhance user experience.
2. Wearable Devices: Fitness trackers, smartwatches, and other wearable gadgets rely on precise battery capacity measurement to provide accurate battery life predictions.
3. Medical Devices: Battery-powered medical devices such as glucose meters, insulin pumps, and patient monitors can benefit from the MAX17014ETM+T's accurate fuel gauge capabilities to ensure reliable operation.
4. Industrial Equipment: Battery-powered industrial equipment, including handheld tools, data loggers, and wireless sensors, can utilize the MAX17014ETM+T to monitor battery status and plan maintenance schedules effectively.

Detailed and Complete Alternative Models

1. MAX17043G+U: Similar to the MAX17014ETM+T, this IC offers accurate battery capacity measurement with a different pin configuration and package type.
2. MAX17055G+U: This alternative model provides enhanced features such as programmable alert thresholds and a larger operating temperature range.
3. MAX17061G+U: Designed for single-cell applications, this IC offers similar functionality with additional features like programmable input impedance and an integrated current-sense amplifier.

These alternative models can be considered based on specific application requirements and design constraints.

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