BQ2084DBT-V150

Product Overview

Category

BQ2084DBT-V150 belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

This product is primarily used for monitoring and controlling rechargeable batteries in various applications, such as portable electronic devices, electric vehicles, and renewable energy systems.

Characteristics

• BQ2084DBT-V150 is a highly reliable and efficient battery management IC.
• It offers advanced features for accurate battery monitoring, protection, and charging control.
• The IC supports communication protocols like I2C, SMBus, and HDQ, enabling seamless integration with host systems.
• It operates over a wide temperature range, making it suitable for diverse environments.
• BQ2084DBT-V150 incorporates built-in safety mechanisms to prevent overcharging, over-discharging, and overheating of batteries.

Package and Quantity

The BQ2084DBT-V150 IC is available in a compact and industry-standard package, such as TSSOP-38. It is typically sold in reels or tubes containing a specified quantity, usually 250 or 1000 units per package.

Specifications

• Input Voltage Range: 2.7V to 28V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C, SMBus, HDQ
• Battery Capacity Measurement Resolution: 1mAh
• Supported Battery Chemistries: Li-Ion, Li-Polymer, NiMH, NiCd
• Protection Features: Overvoltage, Undervoltage, Overcurrent, Overtemperature
• Charging Control: Constant Current, Constant Voltage

Pin Configuration

The BQ2084DBT-V150 IC has a total of 38 pins. Below is the detailed pin configuration:

(Pin Number) - (Pin Name) 1 - VSS 2 - SDA 3 - SCL 4 - HDQ 5 - BAT 6 - TS1 7 - TS2 8 - TS3 9 - TS4 10 - TS5 11 - TS6 12 - TS7 13 - TS8 14 - TS9 15 - TS10 16 - TS11 17 - TS12 18 - TS13 19 - TS14 20 - TS15 21 - TS16 22 - TS17 23 - TS18 24 - TS19 25 - TS20 26 - TS21 27 - TS22 28 - TS23 29 - TS24 30 - TS25 31 - TS26 32 - TS27 33 - TS28 34 - TS29 35 - TS30 36 - TS31 37 - TS32 38 - VDD

Functional Features

• Accurate battery voltage and current measurement.
• Real-time monitoring of battery temperature.
• Overvoltage and undervoltage protection to prevent damage to the battery.
• Overcurrent protection for safe charging and discharging operations.
• Temperature sensing for thermal management.
• Integrated fuel gauge for estimating battery capacity.
• Communication interface for seamless integration with host systems.

Advantages and Disadvantages

Advantages

• High accuracy in battery monitoring and control.
• Wide operating temperature range for versatile applications.
• Multiple communication protocols for easy integration.
• Comprehensive protection features ensure battery safety.
• Efficient charging control for optimal battery performance.

Disadvantages

• Relatively higher cost compared to simpler battery management solutions.
• Requires additional components for complete battery management system implementation.
• Complex pin configuration may require careful PCB layout design.

Working Principles

The BQ2084DBT-V150 operates by continuously monitoring the battery's voltage, current, and temperature. It uses these measurements to estimate the battery's state of charge and capacity. The IC also implements various protection mechanisms to prevent overcharging, over-discharging, and overheating of the battery. Communication interfaces allow the host system to retrieve battery information and control the charging process.

Application Field Plans

The BQ2084DBT-V150 is widely used in applications that require precise battery management, including: - Portable electronic devices (e.g., smartphones, tablets) - Electric vehicles and hybrid electric vehicles - Energy storage systems (e.g., solar power systems, uninterruptible power supplies)

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the BQ2084DBT-V150: - BQ2083DBT-V150 - BQ2085DBT-V150 - BQ2086DBT-V150 - BQ2087DBT-V150

These alternative models offer comparable features and can be considered based on specific application requirements.

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