BQ27200DRKRG4 - English Editing Encyclopedia Entry

Product Overview

Category

BQ27200DRKRG4 belongs to the category of integrated circuits (ICs) specifically designed for battery management.

Use

This product is primarily used for monitoring and controlling the performance of rechargeable batteries, ensuring their safe and efficient operation.

Characteristics

• Integrated circuit designed for battery management
• Monitors battery parameters such as voltage, current, and temperature
• Controls charging and discharging processes
• Provides accurate battery capacity estimation
• Offers protection against overcharging, over-discharging, and short circuits

Package

BQ27200DRKRG4 is available in a small form factor package, typically a 16-pin VQFN (Very Thin Quad Flat No-Lead) package.

Essence

The essence of BQ27200DRKRG4 lies in its ability to accurately monitor and control various aspects of battery performance, ensuring optimal usage and safety.

Packaging/Quantity

This product is usually supplied in tape and reel packaging, with a standard quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 4.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Capacity Measurement Accuracy: ±1%
• Charging Current Range: Up to 2A
• Discharging Current Range: Up to 3A
• Communication Interface: I2C

Detailed Pin Configuration

1. VSS - Ground
2. BAT - Battery Connection
3. TS - Thermistor Input
4. SDA - I2C Data Line
5. SCL - I2C Clock Line
6. ALERT - Interrupt Output
7. VDD - Power Supply
8. VSS - Ground
9. VSS - Ground
10. SRP - Sense Resistor Positive Terminal
11. SRN - Sense Resistor Negative Terminal
12. VSS - Ground
13. VSS - Ground
14. VSS - Ground
15. VSS - Ground
16. VDD - Power Supply

Functional Features

• Accurate monitoring of battery voltage, current, and temperature
• Precise estimation of battery capacity
• Control of charging and discharging processes
• Protection against overcharging, over-discharging, and short circuits
• I2C communication interface for easy integration with microcontrollers or other devices

Advantages and Disadvantages

Advantages

• High accuracy in measuring battery parameters
• Comprehensive protection features ensure battery safety
• Compact package size allows for space-efficient designs
• Easy integration with microcontrollers through the I2C interface

Disadvantages

• Limited to a specific battery voltage range (2.7V to 4.5V)
• Requires additional external components (sense resistor, thermistor) for accurate measurements

Working Principles

BQ27200DRKRG4 operates by continuously monitoring the battery's voltage, current, and temperature using internal sensing circuitry. It utilizes an integrated algorithm to estimate the battery's remaining capacity accurately. The IC also controls the charging and discharging processes to optimize battery performance and prevent any potential damage due to overcharging, over-discharging, or short circuits.

Detailed Application Field Plans

BQ27200DRKRG4 finds applications in various fields where rechargeable batteries are used, including: 1. Portable electronic devices such as smartphones, tablets, and laptops 2. Electric vehicles and hybrid electric vehicles 3. Energy storage systems 4. Medical devices 5. Industrial equipment

Detailed and Complete Alternative Models

1. BQ27421-G1A - Similar battery management IC with enhanced capacity estimation accuracy.
2. BQ76930 - Battery management IC with additional features for multi-cell battery packs.
3. MAX17043G+ - Integrated fuel gauge IC with high accuracy and low power consumption.

(Note: The above alternative models are provided as examples and may not cover all available options in the market.)

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