DS2704G+T&R

Product Overview

• Category: Integrated Circuit
• Use: Battery Monitor and Controller
• Characteristics:
  • Monitors battery voltage, current, and temperature
  • Controls charging and discharging of the battery
  • Provides accurate battery status information
• Package: T&R (Tape and Reel)
• Essence: Battery management solution
• Packaging/Quantity: 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Voltage Measurement Accuracy: ±0.5%
• Current Measurement Range: -3A to +3A
• Temperature Measurement Range: -40°C to +125°C
• Communication Interface: I2C
• Dimensions: 6mm x 5mm x 1.2mm

Detailed Pin Configuration

The DS2704G+T&R has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: I2C data line
4. SCL: I2C clock line
5. BAT: Battery connection
6. ALERT: Interrupt output
7. TS: Temperature sense input
8. NC: No connection

Functional Features

• Accurate monitoring of battery voltage, current, and temperature
• Control of charging and discharging processes
• Real-time battery status reporting
• Programmable overvoltage and undervoltage protection
• Built-in temperature sensor for thermal management
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages: - Precise battery monitoring and control - Comprehensive battery status information - Flexible programmability for protection thresholds - Compact size for space-constrained applications - Low power consumption extends battery life

Disadvantages: - Limited current measurement range - Requires I2C communication interface - Relatively high cost compared to simpler battery monitoring solutions

Working Principles

The DS2704G+T&R operates by continuously monitoring the battery voltage, current, and temperature. It uses these measurements to determine the battery's state of charge and health. Based on the programmed thresholds, it controls the charging and discharging processes to prevent overvoltage, undervoltage, and excessive temperature conditions. The device communicates with a microcontroller or host system through the I2C interface, providing real-time battery status information.

Detailed Application Field Plans

The DS2704G+T&R is widely used in various applications that require accurate battery monitoring and control. Some of the common application fields include:

1. Portable Electronics: Smartphones, tablets, laptops, and wearable devices benefit from the precise battery management provided by the DS2704G+T&R.
2. Medical Devices: Battery-powered medical equipment relies on accurate battery monitoring to ensure reliable operation and patient safety.
3. Industrial Equipment: Battery-powered tools, sensors, and monitoring systems utilize the DS2704G+T&R for efficient battery management.
4. Automotive: Electric vehicles and hybrid cars employ the DS2704G+T&R to monitor and control their battery packs.

Detailed and Complete Alternative Models

1. DS2784G+T&R: Similar to DS2704G+T&R but with extended current measurement range (-5A to +5A).
2. DS2438Z+T&R: Provides basic battery monitoring functionality without control features.
3. LTC6804IG-2#PBF: Multicell battery monitoring and balancing solution with high accuracy.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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