DS2741N+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The DS2741N+ is a specialized integrated circuit designed for battery monitoring and management applications. It provides accurate measurements of battery voltage, current, and temperature, enabling efficient control and optimization of battery performance.

Characteristics: - High precision measurements - Low power consumption - Compact package size - Wide operating temperature range - Robust design for reliable performance

Package: The DS2741N+ is available in a small form factor package, making it suitable for space-constrained applications. It is typically supplied in tape and reel packaging for ease of handling and automated assembly.

Essence: The DS2741N+ is an essential component in battery management systems, ensuring optimal utilization and longevity of batteries in various electronic devices.

Packaging/Quantity: The DS2741N+ is commonly packaged in reels containing 250 units, providing manufacturers with flexibility in production quantities.

Specifications

The DS2741N+ offers the following specifications:

• Voltage Measurement Range: 0V to 5V
• Current Measurement Range: -2A to +2A
• Temperature Measurement Range: -40°C to +85°C
• Resolution: 10mV, 50µA, 0.0625°C
• Accuracy: ±1% (voltage and current), ±2°C (temperature)
• Communication Interface: I2C

Detailed Pin Configuration

The DS2741N+ features the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. ALERT: Interrupt output for triggering events
6. BAT: Battery voltage measurement input
7. ISENSE: Current measurement input
8. TEMP: Temperature measurement input

Functional Features

The DS2741N+ offers the following functional features:

1. Accurate Battery Monitoring: Provides precise measurements of battery voltage, current, and temperature for effective monitoring and control.
2. Integrated Protection: Incorporates built-in safeguards to prevent overcharging, over-discharging, and excessive temperature, ensuring safe battery operation.
3. Data Logging: Supports data logging capabilities, allowing historical battery performance analysis and diagnostics.
4. Real-time Alerts: Generates interrupt signals (ALERT pin) to notify system controllers of critical battery events or threshold breaches.
5. Low Power Consumption: Designed with low power consumption in mind, minimizing energy drain on the battery itself.

Advantages and Disadvantages

Advantages: - High precision measurements enable accurate battery management. - Integrated protection mechanisms ensure safe battery operation. - Data logging capability facilitates performance analysis and diagnostics. - Real-time alerts enhance system responsiveness. - Low power consumption prolongs battery life.

Disadvantages: - Limited compatibility with certain battery chemistries or configurations. - Relatively higher cost compared to generic battery monitoring solutions. - Requires additional software development for full utilization of its features.

Working Principles

The DS2741N+ operates based on the principle of measuring voltage, current, and temperature using internal sensing elements. It utilizes an integrated analog-to-digital converter (ADC) to convert these measurements into digital values. The digital data is then made available through the I2C communication interface, allowing external devices to access and utilize the information for battery management purposes.

Detailed Application Field Plans

The DS2741N+ finds applications in various fields, including but not limited to:

1. Portable Electronics: Enables accurate battery monitoring and optimization in smartphones, tablets, and wearable devices.
2. Electric Vehicles: Facilitates efficient battery management in electric cars, ensuring optimal performance and longevity.
3. Renewable Energy Systems: Supports monitoring and control of batteries used in solar power systems and energy storage solutions.
4. Medical Devices: Provides precise battery measurements for medical equipment, enhancing reliability and patient safety.

Detailed and Complete Alternative Models

1. DS2740N: Similar to the DS2741N+, but without temperature measurement capability.
2. MAX17043G+: Offers similar functionality with additional features such as fuel gauge estimation and coulomb counting.
3. BQ34Z100-G1: A highly integrated battery management IC with advanced features like impedance tracking and cell balancing.

These alternative models provide options for different application requirements and can be considered based on specific needs.

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