DS2437S-3

Product Overview

Category

The DS2437S-3 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery monitoring and management applications.

Characteristics

• Integrated circuit with battery monitor and temperature sensor functionality.
• Provides accurate measurements of voltage, current, and temperature.
• Supports communication via a 1-Wire® interface.
• Low power consumption for efficient operation.

Package

The DS2437S-3 is available in a small surface-mount package.

Essence

The essence of the DS2437S-3 lies in its ability to accurately monitor and manage batteries, ensuring optimal performance and longevity.

Packaging/Quantity

The DS2437S-3 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Voltage Measurement Range: 0V to 5.5V
• Current Measurement Range: -10A to +10A
• Temperature Measurement Range: -40°C to +85°C
• Resolution: 12 bits
• Communication Interface: 1-Wire®
• Operating Voltage: 2.8V to 5.5V
• Operating Current: 1mA (max)

Detailed Pin Configuration

The DS2437S-3 features the following pin configuration:

1. VDD: Power supply input
2. GND: Ground connection
3. DQ: 1-Wire® data line
4. VBAT: Battery voltage measurement input
5. ISENSE: Current measurement input
6. TEMP: Temperature measurement input

Functional Features

• Accurate voltage, current, and temperature measurements.
• Built-in 1-Wire® interface for easy communication.
• On-chip temperature sensor for precise temperature monitoring.
• Programmable alarm thresholds for battery protection.
• Low power consumption for extended battery life.

Advantages and Disadvantages

Advantages

• High accuracy measurements ensure reliable battery monitoring.
• Integrated temperature sensor eliminates the need for an additional component.
• Programmable alarm thresholds allow for customized battery protection.
• Efficient power management extends battery life.

Disadvantages

• Limited voltage measurement range may not be suitable for certain applications requiring higher voltages.
• The 1-Wire® interface may have limitations in terms of data transfer speed compared to other communication protocols.

Working Principles

The DS2437S-3 operates by measuring the voltage across the battery, current flowing through it, and the ambient temperature. These measurements are performed using internal circuitry and sensors. The device communicates with a host system via the 1-Wire® interface, allowing for easy integration into various applications.

Detailed Application Field Plans

The DS2437S-3 finds applications in various fields, including:

1. Battery-powered devices: Enables accurate monitoring and management of battery performance in portable electronics, such as smartphones, tablets, and wearables.
2. Renewable energy systems: Facilitates efficient monitoring of battery banks in solar power systems, ensuring optimal utilization and longevity.
3. Electric vehicles: Provides precise battery monitoring for electric vehicle powertrains, optimizing performance and extending battery life.
4. Industrial equipment: Allows for reliable battery management in industrial machinery, ensuring uninterrupted operation and preventing downtime.

Detailed and Complete Alternative Models

1. DS2438: Similar to the DS2437S-3, but with additional features like fuel gauge functionality and increased voltage measurement range.
2. MAX17043: A highly integrated battery monitor IC with advanced features, including coulomb counting and programmable alert thresholds.
3. LTC2945: Offers comprehensive battery monitoring capabilities, including voltage, current, and charge measurement, along with an I2C interface for communication.

In conclusion, the DS2437S-3 is a versatile integrated circuit designed for accurate battery monitoring and management. Its compact package, precise measurements, and 1-Wire® interface make it suitable for various applications in different fields. While it has certain limitations, alternative models with additional features are available to meet specific requirements.