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DS2761BE+025

DS2761BE+025

Product Overview

  • Category: Integrated Circuit
  • Use: Battery Monitor and Gas Gauge
  • Characteristics: Accurate battery monitoring, gas gauge functionality, compact package, low power consumption
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: The DS2761BE+025 is a battery monitor and gas gauge integrated circuit designed to accurately measure and report the remaining capacity of a rechargeable battery.
  • Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Battery Types Supported: Li-Ion, Li-Polymer, NiMH, NiCd
  • Measurement Resolution: 1µV for voltage, 0.5mA for current, 0.5mΩ for internal resistance
  • Temperature Measurement Range: -40°C to +85°C
  • Communication Interface: I2C (Inter-Integrated Circuit) compatible
  • Accuracy: ±0.5% for voltage, ±1% for current, ±10% for capacity estimation

Pin Configuration

The DS2761BE+025 has 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. BAT+: Positive terminal of the battery being monitored
  6. BAT-: Negative terminal of the battery being monitored
  7. ALERT: Interrupt output for battery status changes
  8. NC: No connection (unused pin)

Functional Features

  • Accurate measurement of battery voltage, current, and temperature
  • Calculation of remaining battery capacity using advanced algorithms
  • Gas gauge functionality to estimate battery state of charge
  • Overvoltage and undervoltage detection with configurable thresholds
  • Temperature monitoring for safe operation
  • Interrupt output for battery status changes

Advantages and Disadvantages

Advantages: - Accurate and reliable battery monitoring - Gas gauge functionality provides estimation of remaining capacity - Compact package allows for easy integration into various devices - Low power consumption for extended battery life

Disadvantages: - Limited compatibility with specific battery types - Capacity estimation accuracy may vary depending on battery characteristics - Requires I2C communication interface for data retrieval

Working Principles

The DS2761BE+025 works by continuously measuring the voltage, current, and temperature of the connected battery. It uses these measurements along with internal algorithms to calculate the remaining capacity and estimate the state of charge. The gas gauge functionality provides a more accurate estimation of the battery's remaining capacity. The device also monitors for overvoltage and undervoltage conditions to ensure safe operation.

Detailed Application Field Plans

The DS2761BE+025 is commonly used in various applications where accurate battery monitoring and gas gauge functionality are required. Some of the typical application fields include:

  1. Portable electronic devices such as smartphones, tablets, and laptops
  2. Medical devices like portable monitors and infusion pumps
  3. Industrial equipment and machinery
  4. Electric vehicles and hybrid electric vehicles
  5. Renewable energy systems

Detailed and Complete Alternative Models

  • DS2781AE+: Similar functionality with enhanced accuracy and additional features
  • MAX17043G+: Gas gauge IC with high accuracy and integrated protection features
  • BQ27441-G1: Advanced fuel gauge IC with support for multiple battery chemistries

These alternative models offer similar functionality to the DS2761BE+025 but may have different specifications and package options.

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Énumérez 10 questions et réponses courantes liées à l'application de DS2761BE+025 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of DS2761BE+025 in technical solutions:

1. What is DS2761BE+025? DS2761BE+025 is a specific model of the DS2761 battery fuel gauge IC (Integrated Circuit) manufactured by Maxim Integrated. It is designed for accurate monitoring of battery capacity and charging/discharging characteristics.

2. What is the purpose of DS2761BE+025? The purpose of DS2761BE+025 is to provide accurate measurements of battery voltage, current, temperature, and remaining capacity. It is commonly used in applications where precise battery management is required, such as portable devices, medical equipment, and industrial systems.

3. How does DS2761BE+025 measure battery capacity? DS2761BE+025 uses an advanced algorithm that combines voltage, current, and temperature measurements to estimate the remaining capacity of the battery. This estimation is based on the battery's discharge characteristics and is continuously updated as the battery is charged or discharged.

4. Can DS2761BE+025 be used with different types of batteries? Yes, DS2761BE+025 can be used with various types of rechargeable batteries, including lithium-ion (Li-ion), lithium polymer (LiPo), nickel-metal hydride (NiMH), and nickel-cadmium (NiCd) batteries. However, it is important to configure the IC properly for the specific battery chemistry being used.

5. How accurate is DS2761BE+025 in measuring battery capacity? DS2761BE+025 has a high level of accuracy in measuring battery capacity, typically within ±3% of the actual capacity. However, the accuracy may vary depending on factors such as battery chemistry, temperature, and calibration.

6. Can DS2761BE+025 control battery charging and discharging? No, DS2761BE+025 is primarily a monitoring IC and does not have direct control over battery charging or discharging. It provides accurate measurements and information to the system controller, which can then make decisions regarding charging and discharging based on the data provided.

7. Does DS2761BE+025 support communication with external devices? Yes, DS2761BE+025 supports communication through an I2C interface, allowing it to communicate with microcontrollers, system controllers, or other external devices. This enables real-time monitoring and data exchange between the IC and the system.

8. Can DS2761BE+025 be used in low-power applications? Yes, DS2761BE+025 is designed to operate in low-power environments. It has a low quiescent current consumption and can enter a low-power sleep mode when not actively measuring or communicating, thus minimizing power consumption.

9. Is DS2761BE+025 suitable for high-temperature environments? DS2761BE+025 has a wide operating temperature range of -40°C to +85°C, making it suitable for use in various environments, including high-temperature conditions. However, it is important to consider the specific temperature limits of the battery being used.

10. Are there any evaluation boards or development kits available for DS2761BE+025? Yes, Maxim Integrated offers evaluation kits and development boards for DS2761BE+025, which include all the necessary hardware and software tools to evaluate and develop applications using the IC. These kits can help streamline the design and implementation process.