DS2760BE/T&R

Product Overview

• Category: Integrated Circuit
• Use: Battery Fuel Gauge
• Characteristics: Accurate battery monitoring, low power consumption, compact size
• Package: Tape and Reel (T&R)
• Essence: The DS2760BE/T&R is a battery fuel gauge integrated circuit designed for accurate monitoring of battery capacity in various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with a specified quantity per reel.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Battery Types Supported: Li-Ion, Li-Polymer, NiMH, NiCd
• Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Accuracy: ±1% typical
• Battery Capacity Measurement Resolution: 1mAh
• Low Power Consumption: Standby current < 10µA

Pin Configuration

The DS2760BE/T&R has the following pin configuration:

┌───┬───┬───┬───┬───┐ │ 1 │ 2 │ 3 │ 4 │ 5 │ ├───┼───┼───┼───┼───┤ │ V+│ SDA│ SCL│ GND│ BAT│ └───┴───┴───┴───┴───┘

1. V+: Positive supply voltage
2. SDA: Serial Data Line for I2C communication
3. SCL: Serial Clock Line for I2C communication
4. GND: Ground reference
5. BAT: Battery connection

Functional Features

• Accurate monitoring of battery capacity
• Real-time voltage and current measurement
• Temperature measurement for thermal management
• Programmable alarm thresholds for low battery indication
• Integrated protection against overvoltage and undervoltage conditions
• I2C interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages: - Accurate battery monitoring ensures optimal utilization of battery capacity. - Low power consumption minimizes the impact on overall device power consumption. - Compact size allows for easy integration into space-constrained designs.

Disadvantages: - Limited compatibility with certain battery chemistries. - Requires additional external components for complete battery management functionality.

Working Principles

The DS2760BE/T&R utilizes advanced algorithms to accurately measure and monitor battery capacity. It continuously measures the battery voltage, current, and temperature to estimate the remaining capacity. The integrated circuit communicates with a microcontroller through the I2C interface, providing real-time data for battery management.

Application Field Plans

The DS2760BE/T&R is widely used in various electronic devices that rely on battery power. Some common application fields include:

1. Portable consumer electronics (e.g., smartphones, tablets)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. Medical devices (e.g., portable medical monitors, insulin pumps)
4. Industrial equipment (e.g., handheld meters, wireless sensors)

Alternative Models

For alternative options with similar functionality, consider the following models:

1. DS2780BE/T&R: Enhanced version with extended temperature range and higher accuracy.
2. DS2740BE/T&R: Simplified version with basic battery monitoring features.
3. MAX17043G+T: Fuel gauge IC with ultra-low power consumption and high accuracy.

These alternative models provide flexibility based on specific application requirements while maintaining core battery monitoring capabilities.

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