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DS2761AE
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DS2761AE

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 DS2761AE is a highly integrated battery monitor and gas gauge IC designed for accurate monitoring of battery capacity in portable devices.
  • Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Battery Voltage Measurement Range: 0V to 5.5V
  • Temperature Measurement Range: -40°C to +85°C
  • Current Measurement Range: ±1024mA
  • Accuracy:
    • Voltage: ±0.25%
    • Temperature: ±1°C
    • Current: ±0.5%
  • Communication Interface: I2C (Inter-Integrated Circuit) compatible
  • Standby Current: 10µA (typical)

Pin Configuration

The DS2761AE has an 8-pin SOIC package with the following pin configuration:

  1. VDD - Power supply voltage input
  2. GND - Ground reference
  3. SDA - Serial Data Line for I2C communication
  4. SCL - Serial Clock Line for I2C communication
  5. VSS - Negative terminal of the sense resistor
  6. VBAT - Positive terminal of the sense resistor
  7. NC - No connection
  8. ALERT - Open-drain output for alert indication

Functional Features

  • Accurate measurement of battery voltage, temperature, and current
  • Gas gauge functionality for estimating remaining battery capacity
  • Built-in temperature sensor for precise temperature monitoring
  • I2C interface for easy integration with microcontrollers and other devices
  • Low power consumption for extended battery life
  • Alert output for notifying system of critical battery conditions

Advantages and Disadvantages

Advantages: - Accurate battery monitoring and gas gauge functionality - Compact package suitable for portable devices - Low power consumption for improved battery life - Easy integration with microcontrollers through I2C interface

Disadvantages: - Limited current measurement range (±1024mA) - Temperature measurement accuracy could be improved

Working Principles

The DS2761AE works by measuring the voltage across a sense resistor connected in series with the battery. It uses this voltage measurement, along with the battery's temperature and discharge characteristics, to estimate the remaining capacity of the battery. The IC communicates with a microcontroller or host device through the I2C interface, providing real-time battery information.

Application Field Plans

The DS2761AE is widely used in various portable electronic devices that require accurate battery monitoring and gas gauge functionality. Some potential application fields include:

  1. Smartphones and tablets
  2. Wearable devices
  3. Portable medical equipment
  4. Handheld gaming consoles
  5. GPS navigation systems
  6. Portable audio players

Alternative Models

  • DS2781AE: Similar functionality with extended current measurement range (+/- 2048mA)
  • MAX17043G+: Gas gauge IC with higher accuracy and additional features
  • BQ27441-G1: Advanced fuel gauge IC with integrated protection features

These alternative models offer similar functionality to the DS2761AE and can be considered based on specific requirements and preferences.

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技術ソリューションにおける DS2761AE の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of DS2761AE in technical solutions:

Q1: What is DS2761AE? A1: DS2761AE is a digital thermometer and energy monitor chip developed by Maxim Integrated. It is commonly used in various technical solutions for temperature monitoring and energy measurement.

Q2: What are the key features of DS2761AE? A2: Some key features of DS2761AE include accurate temperature measurement, energy accumulation, voltage and current monitoring, non-volatile memory, and communication interfaces like I2C and 1-Wire.

Q3: How can DS2761AE be used for temperature monitoring? A3: DS2761AE has an integrated temperature sensor that provides accurate temperature measurements. By interfacing with the chip and reading the temperature data, it can be used for temperature monitoring applications.

Q4: Can DS2761AE measure energy consumption? A4: Yes, DS2761AE has built-in energy accumulation functionality. It can measure the energy consumed by a device or system over time, making it suitable for energy monitoring applications.

Q5: What communication interfaces does DS2761AE support? A5: DS2761AE supports both I2C and 1-Wire communication interfaces, allowing easy integration into various systems and microcontrollers.

Q6: Is DS2761AE capable of measuring voltage and current? A6: Yes, DS2761AE can measure both voltage and current. It has dedicated ADC channels for accurate voltage and current monitoring.

Q7: Does DS2761AE have non-volatile memory? A7: Yes, DS2761AE has non-volatile memory that can be used to store configuration settings, calibration data, or other important information.

Q8: Can DS2761AE be powered by a battery? A8: Yes, DS2761AE can be powered by a battery. It has low power consumption and supports various battery chemistries.

Q9: What are some typical applications of DS2761AE? A9: Some typical applications of DS2761AE include battery-powered devices, energy monitoring systems, temperature-controlled environments, and IoT solutions.

Q10: Is DS2761AE easy to integrate into existing systems? A10: Yes, DS2761AE is designed for easy integration. It comes in a compact package and supports standard communication interfaces, making it straightforward to incorporate into existing systems.

Please note that the answers provided here are general and may vary depending on specific use cases and requirements.