BQ2083DBTRG4 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Fuel Gauge IC

Characteristics: - Monolithic integrated circuit - Designed for battery pack or in-system installation - Provides accurate measurement of available capacity and voltage - Enables monitoring of battery health and charging status

Package: DBT (Thin Shrink Small Outline Package)

Essence: The BQ2083DBTRG4 is a highly reliable and efficient battery fuel gauge IC that accurately measures the available capacity and voltage of a battery. It is widely used in various electronic devices to monitor battery health and charging status.

Packaging/Quantity: The BQ2083DBTRG4 is typically sold in reels, with 2500 units per reel.

Specifications

• Operating Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Cell Chemistry: Lithium-Ion (Li-Ion)
• Cell Count: Up to 4 series cells
• Accuracy:
  • Voltage Measurement: ±10mV
  • Capacity Measurement: ±1%
• Standby Current: 20µA (typical)
• Dimensions: 5mm x 6.4mm x 0.9mm

Detailed Pin Configuration

The BQ2083DBTRG4 has the following pin configuration:

1. VSS - Ground
2. SDA - Serial Data Input/Output
3. SCL - Serial Clock Input
4. ALERT - Interrupt Output
5. TS - Thermistor Input
6. BAT - Battery Voltage Input
7. SRP - System Reset Output
8. VDD - Power Supply

Functional Features

1. Accurate Capacity Measurement: The BQ2083DBTRG4 provides precise measurement of the available capacity of a battery, allowing users to accurately estimate the remaining runtime of their devices.

2. Voltage Monitoring: It enables real-time monitoring of battery voltage, ensuring optimal performance and preventing over-discharge or over-charge situations.

3. Charging Status Indication: The IC provides information about the charging status of the battery, allowing users to know when the battery is fully charged or requires charging.

4. Battery Health Monitoring: It offers insights into the health of the battery by providing information on its state of charge, cycle count, and temperature.

Advantages

• High Accuracy: The BQ2083DBTRG4 provides accurate measurements of battery capacity and voltage, ensuring reliable performance.
• Low Standby Current: With a standby current of only 20µA, it minimizes power consumption when not in use.
• Small Form Factor: The thin shrink small outline package (DBT) allows for compact integration into various electronic devices.

Disadvantages

• Limited Cell Count: The BQ2083DBTRG4 supports up to 4 series cells, which may not be suitable for applications requiring higher cell counts.
• Requires I2C Interface: Integration with devices lacking an I2C interface may require additional components or modifications.

Working Principles

The BQ2083DBTRG4 utilizes advanced algorithms to measure the battery's voltage and current, and then calculates the available capacity based on these measurements. It communicates with the host device through the I2C interface, providing real-time data on battery status and health.

Detailed Application Field Plans

The BQ2083DBTRG4 is widely used in various applications, including: - Smartphones and tablets - Laptops and notebooks - Portable medical devices - Power banks - Electric vehicles

Detailed and Complete Alternative Models

1. BQ2084DBTRG4: Similar to the BQ2083DBTRG4, but supports up to 8 series cells.
2. BQ2060ADBQR: Battery fuel gauge IC with additional features such as temperature monitoring and overvoltage protection.
3. BQ27541-G1: Advanced fuel gauge IC with integrated impedance track technology for accurate capacity estimation.

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

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