DS2764AE+025/T&R

Product Overview

• Category: Integrated Circuit
• Use: Battery Monitor and Gas Gauge
• Characteristics: High accuracy, low power consumption
• Package: Tape and Reel (T&R)
• Essence: Monitoring and reporting battery status
• Packaging/Quantity: 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Voltage Measurement Range: 0V to 5.5V
• Current Measurement Range: ±1A
• Communication Interface: I2C
• Memory: 64Kb EEPROM

Detailed Pin Configuration

The DS2764AE+025/T&R has a total of 8 pins:

1. VDD: Power supply input
2. GND: Ground connection
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#: Open-drain output for alert indication
8. N/C: No connection

Functional Features

• Accurate measurement of battery voltage and current
• Gas gauge functionality for estimating remaining battery capacity
• Temperature monitoring for battery safety
• Programmable alert thresholds for various battery conditions
• Non-volatile memory for storing battery information
• Low power consumption for extended battery life

Advantages and Disadvantages

Advantages: - High accuracy in battery monitoring - Wide operating voltage range - Compact package size - Low power consumption

Disadvantages: - Limited current measurement range - Requires I2C communication interface

Working Principles

The DS2764AE+025/T&R operates by continuously monitoring the voltage and current of the connected battery. It uses an internal ADC to convert analog signals into digital values for accurate measurement. The gas gauge functionality estimates the remaining battery capacity based on the measured parameters and provides this information to the host system. The device communicates with the host system through the I2C interface, allowing for configuration and data retrieval.

Detailed Application Field Plans

The DS2764AE+025/T&R is widely used in various applications that require battery monitoring and gas gauge functionality. Some common application fields include:

1. Portable electronic devices: Smartphones, tablets, laptops
2. Medical devices: Patient monitors, portable medical equipment
3. Industrial equipment: Handheld tools, wireless sensors
4. Automotive systems: Electric vehicles, hybrid vehicles
5. Energy storage systems: Solar power systems, uninterruptible power supplies

Detailed and Complete Alternative Models

1. DS2784AE+025/T&R: Similar functionality with extended memory capacity
2. MAX17043G+T: Gas gauge IC with integrated protection features
3. BQ27441-G1: Battery fuel gauge with advanced algorithm for accurate capacity estimation
4. LTC2945CMS#PBF: Multicell battery monitor with high precision measurement capabilities

These alternative models offer similar functionalities to the DS2764AE+025/T&R and can be considered based on specific application requirements.

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