MAX14643ETA+T

Product Overview

Category

The MAX14643ETA+T belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for power management and battery charging applications.

Characteristics

• The MAX14643ETA+T is a compact and versatile IC that offers efficient power management solutions.
• It provides advanced features for battery charging, such as overvoltage protection, overcurrent protection, and thermal regulation.
• This IC is designed to optimize power efficiency and extend battery life in portable electronic devices.

Package

The MAX14643ETA+T comes in a small 8-pin TDFN package.

Essence

The essence of the MAX14643ETA+T lies in its ability to provide reliable and efficient power management for various battery-powered devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 3.3V to 5.5V
• Maximum Charging Current: 2A
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. EN (Enable): Enable pin for controlling the IC's operation.
2. VIN (Input Voltage): Input voltage pin for powering the IC.
3. GND (Ground): Ground reference pin.
4. VOUT (Output Voltage): Output voltage pin for supplying power to the load.
5. BAT (Battery): Battery connection pin.
6. TS (Thermal Sense): Thermal sensing pin for monitoring temperature.
7. STAT (Status): Status output pin for indicating charging status.
8. PROG (Program): Programming pin for configuring charging parameters.

Functional Features

• Overvoltage Protection: The MAX14643ETA+T incorporates overvoltage protection to prevent damage to the battery and connected devices.
• Overcurrent Protection: It offers overcurrent protection to safeguard against excessive current flow, ensuring safe charging.
• Thermal Regulation: The IC includes thermal regulation to prevent overheating during operation.
• Charge Termination: It automatically terminates the charging process when the battery is fully charged, preventing overcharging.

Advantages and Disadvantages

Advantages

• Compact size and versatile design make it suitable for various applications.
• Advanced protection features ensure safe and reliable charging.
• Efficient power management helps extend battery life.

Disadvantages

• Limited maximum charging current may not be suitable for high-power devices.
• Requires external programming for specific charging parameters.

Working Principles

The MAX14643ETA+T operates by regulating the input voltage and providing a controlled output voltage to charge the battery. It continuously monitors the battery's voltage and temperature to ensure safe charging. The IC also incorporates protection mechanisms to prevent overvoltage, overcurrent, and overheating.

Detailed Application Field Plans

The MAX14643ETA+T finds applications in a wide range of battery-powered devices, including: 1. Smartphones and tablets 2. Portable medical devices 3. Wearable electronics 4. Handheld gaming consoles 5. IoT devices

Detailed and Complete Alternative Models

1. MAX14645ETA+T
2. MAX14646ETA+T
3. MAX14647ETA+T
4. MAX14648ETA+T
5. MAX14649ETA+T

These alternative models offer similar functionality and can be considered as alternatives to the MAX14643ETA+T.

In conclusion, the MAX14643ETA+T is a compact and efficient IC designed for power management and battery charging applications. Its advanced features, such as overvoltage protection and thermal regulation, make it a reliable choice for various battery-powered devices. However, its limited maximum charging current and external programming requirement should be taken into consideration when selecting this IC for specific applications.

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