BQ27411DRZR-G1A

Product Overview

Category

The BQ27411DRZR-G1A belongs to the category of integrated circuits (ICs) and specifically falls under the battery management ICs.

Use

This product is primarily used for battery fuel gauge applications. It accurately measures the remaining capacity of a rechargeable battery, providing essential information for monitoring and managing battery usage.

Characteristics

• High accuracy: The BQ27411DRZR-G1A offers precise measurement capabilities, ensuring accurate estimation of battery capacity.
• Low power consumption: This IC is designed to minimize its own power consumption, thus reducing any impact on the overall battery life.
• Small package size: The BQ27411DRZR-G1A comes in a compact package, making it suitable for space-constrained applications.
• Integrated features: It incorporates various features such as voltage regulation, temperature sensing, and current sensing, enhancing its functionality.

Package

The BQ27411DRZR-G1A is available in a small form factor package, typically measuring 2mm x 2mm. This package type is known as WSON (Wafer-level Chip Scale Package), which provides excellent thermal performance and ease of integration into circuit boards.

Essence

The essence of the BQ27411DRZR-G1A lies in its ability to accurately measure and report the remaining capacity of a battery, enabling efficient battery management and prolonging battery life.

Packaging/Quantity

The BQ27411DRZR-G1A is commonly supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating Voltage Range: 2.5V to 4.8V
• Battery Capacity Measurement Resolution: 1mAh
• Communication Interface: I2C
• Temperature Measurement Range: -40°C to +85°C
• Integrated Flash Memory: 256 bytes
• Dimensions: 2mm x 2mm

Detailed Pin Configuration

The BQ27411DRZR-G1A has the following pin configuration:

1. VSS - Ground
2. SDA - I2C Serial Data
3. SCL - I2C Serial Clock
4. VDD - Power Supply

Functional Features

• Accurate battery capacity measurement
• Voltage regulation for stable operation
• Temperature sensing for accurate readings
• Current sensing for monitoring battery usage
• Low power consumption for minimal impact on battery life
• Integrated flash memory for storing calibration data

Advantages and Disadvantages

Advantages

• High accuracy in measuring battery capacity
• Compact package size for easy integration
• Low power consumption for extended battery life
• Integrated features reduce external component count
• Wide operating voltage range for compatibility with various batteries

Disadvantages

• Limited flash memory capacity for storing additional data
• Requires I2C communication interface for control and data access

Working Principles

The BQ27411DRZR-G1A works by continuously monitoring the battery voltage, current, and temperature to accurately estimate the remaining battery capacity. It utilizes sophisticated algorithms to compensate for battery aging and discharge characteristics, providing reliable capacity information.

Detailed Application Field Plans

The BQ27411DRZR-G1A finds applications in various fields, including: 1. Portable electronic devices such as smartphones, tablets, and laptops. 2. Electric vehicles and hybrid electric vehicles for battery management. 3. Industrial equipment relying on rechargeable batteries. 4. Renewable energy systems utilizing batteries for storage.

Detailed and Complete Alternative Models

1. BQ27421DRZR-G1A: Similar to the BQ27411DRZR-G1A, but with extended flash memory capacity.
2. BQ27441DRZR-G1A: Offers additional features such as coulomb counting and programmable input/output pins.
3. BQ27451DRZR-G1A: Designed for higher voltage battery applications, supporting up to 5.5V.

(Note: The above alternative models are from the same product family and share similar characteristics and functionality.)

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