DS2770AE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Fuel Gauge

Characteristics: - Measures and reports the remaining capacity of a battery - Monitors battery voltage, current, and temperature - Provides accurate information for battery management systems

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The DS2770AE+ is a highly integrated IC designed for battery fuel gauging applications. It accurately measures the remaining capacity of a battery and provides essential information for efficient battery management.

Packaging/Quantity: The DS2770AE+ is available in a standard 8-pin SOIC package. It is typically sold in reels containing multiple units.

Specifications

The DS2770AE+ has the following specifications:

• Operating Voltage Range: 2.7V to 5.5V
• Temperature Measurement Range: -40°C to +85°C
• Current Measurement Range: ±512mA
• Capacity Measurement Resolution: 1mAh
• Communication Interface: I2C

Pin Configuration

The DS2770AE+ features an 8-pin SOIC package with the following pin configuration:

1. VDD - Power supply input
2. GND - Ground reference
3. SDA - Serial Data Line (I2C)
4. SCL - Serial Clock Line (I2C)
5. ALERT - Interrupt output
6. TS - Temperature sense input
7. BAT - Battery voltage sense input
8. ISET - Current sense input

Functional Features

The DS2770AE+ offers the following functional features:

• Accurate measurement of battery voltage, current, and temperature
• Calculation and reporting of remaining battery capacity
• Support for battery pack authentication and security
• Programmable alert thresholds for voltage, current, and temperature
• Low-power consumption for extended battery life

Advantages and Disadvantages

Advantages: - High accuracy in measuring battery capacity - Integrated features for comprehensive battery management - Programmable alert thresholds for customized monitoring - Compact package size for easy integration into various devices

Disadvantages: - Limited current measurement range - Restricted operating temperature range

Working Principles

The DS2770AE+ utilizes advanced algorithms to accurately measure the remaining capacity of a battery. It continuously monitors the battery voltage, current, and temperature to provide real-time information for battery management systems. The IC communicates with the host system through the I2C interface, allowing seamless integration and control.

Detailed Application Field Plans

The DS2770AE+ is widely used in various applications that require precise battery fuel gauging and management. Some of the detailed application field plans include:

1. Portable Electronics: Smartphones, tablets, laptops, and wearable devices.
2. Medical Devices: Patient monitoring systems, portable medical equipment.
3. Industrial Equipment: Handheld tools, wireless sensors, and IoT devices.
4. Automotive: Electric vehicles, hybrid vehicles, battery-powered systems.

Alternative Models

For users seeking alternative options, the following models offer similar functionality to the DS2770AE+:

1. DS2780AE+: Offers extended current measurement range and additional features for advanced battery management.
2. MAX17055: Provides high-accuracy fuel gauging with an integrated protector for enhanced safety.
3. BQ27441: Features a wide operating temperature range and supports multiple battery chemistries.

These alternative models can be considered based on specific requirements and compatibility with the target application.

In conclusion, the DS2770AE+ is a highly integrated battery fuel gauge IC that offers accurate measurement and reporting of battery capacity. With its compact package and comprehensive features, it finds applications in various industries, providing essential information for efficient battery management.