BQ27210DRKR - English Editing Encyclopedia Entry

Product Overview

Category

BQ27210DRKR belongs to the category of integrated circuits (ICs) specifically designed for battery management.

Use

This product is primarily used for monitoring and managing the performance of rechargeable batteries in various electronic devices.

Characteristics

• BQ27210DRKR is a highly efficient and compact IC that offers advanced battery management capabilities.
• It provides accurate measurements of battery voltage, current, temperature, and capacity.
• The IC incorporates sophisticated algorithms for estimating battery state-of-charge (SOC) and state-of-health (SOH).
• It supports communication protocols such as I2C and SMBus, enabling seamless integration with host systems.
• BQ27210DRKR features low power consumption, making it suitable for portable and energy-efficient devices.
• The IC is designed to operate over a wide temperature range, ensuring reliable performance in diverse environments.

Package and Quantity

BQ27210DRKR is available in a small form factor package, typically measuring 3mm x 3mm. It is supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 4.5V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C, SMBus
• Battery Capacity Measurement Accuracy: ±1%
• SOC Estimation Accuracy: ±5%
• SOH Estimation Accuracy: ±10%
• Standby Current: <1µA
• Package Type: VSON-10

Detailed Pin Configuration

The BQ27210DRKR IC has the following pin configuration:

1. VSS - Ground
2. SDA - I2C Data Line
3. SCL - I2C Clock Line
4. VDD - Power Supply
5. TS - Temperature Sense Input
6. BAT - Battery Voltage Sense Input
7. VSS - Ground
8. VSS - Ground
9. VSS - Ground
10. VSS - Ground

Functional Features

• Accurate measurement of battery voltage, current, temperature, and capacity.
• Advanced algorithms for precise estimation of SOC and SOH.
• Real-time monitoring and reporting of battery status.
• Overvoltage and undervoltage protection.
• Temperature compensation for accurate measurements in varying thermal conditions.
• Low power consumption for extended battery life.
• Support for multiple communication protocols.

Advantages and Disadvantages

Advantages

• High accuracy in battery parameter measurements and estimations.
• Compact size and low power consumption.
• Wide operating temperature range.
• Compatibility with popular communication interfaces.
• Reliable overvoltage and undervoltage protection.

Disadvantages

• Limited to a specific package type (VSON-10).
• Estimation accuracies may vary depending on battery chemistry and usage patterns.

Working Principles

BQ27210DRKR operates by continuously monitoring the battery's voltage, current, and temperature. It utilizes sophisticated algorithms to estimate the battery's SOC and SOH based on these measurements. The IC communicates with the host system through the I2C or SMBus interface, providing real-time battery status updates. Additionally, it incorporates protection mechanisms to prevent overvoltage and undervoltage conditions, ensuring safe battery operation.

Detailed Application Field Plans

BQ27210DRKR finds applications in various electronic devices that rely on rechargeable batteries. Some notable application fields include:

1. Smartphones and Tablets: Enables accurate battery monitoring and optimization for prolonged device usage.
2. Wearable Devices: Provides reliable battery management for fitness trackers, smartwatches, etc.
3. Portable Medical Devices: Ensures precise battery monitoring in critical healthcare equipment.
4. IoT Devices: Facilitates efficient power management in connected devices for the Internet of Things.
5. Electric Vehicles: Supports battery monitoring and protection systems in electric cars and bikes.

Detailed and Complete Alternative Models

1. BQ27421DRZR: Similar to BQ27210DRKR, but with enhanced SOC estimation accuracy.
2. BQ27742EVM: Evaluation module for testing and development purposes, featuring advanced battery management capabilities.
3. MAX17055G+T: Integrated fuel gauge IC with high-accuracy measurements and communication interfaces.

In conclusion, BQ27210DRKR is a compact and efficient integrated circuit designed for battery management. With its accurate measurements, advanced algorithms, and versatile applications, it offers significant advantages in optimizing battery performance and prolonging device usage.

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