BQ34Z651DBTR

Product Overview

Category

BQ34Z651DBTR 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 applications.

Characteristics

• Integrated circuit for battery management
• Provides accurate measurements of battery voltage, current, temperature, and capacity
• Enables precise estimation of remaining battery life
• Supports communication protocols such as I2C and SMBus
• Offers built-in protection features for safe battery operation

Package

BQ34Z651DBTR is available in a small form factor package, typically a thin quad flat no-lead (QFN) package. This package ensures easy integration into battery management systems.

Essence

The essence of BQ34Z651DBTR lies in its ability to accurately monitor and manage battery performance, enabling efficient utilization and prolonging battery life.

Packaging/Quantity

This product is commonly packaged in reels or tubes, with a standard quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage: 2.7V to 4.8V
• Communication Interface: I2C, SMBus
• Temperature Range: -40°C to +85°C
• Battery Capacity Measurement Accuracy: ±1%
• Current Measurement Accuracy: ±50mA
• Voltage Measurement Accuracy: ±10mV

Detailed Pin Configuration

1. VSS - Ground
2. SDA - Serial Data Line
3. SCL - Serial Clock Line
4. ALERT - Interrupt Output
5. VDD - Power Supply
6. TS - Temperature Sense Input
7. BAT - Battery Voltage Sense Input
8. GPOUT - General Purpose Output

Functional Features

• Accurate measurement of battery voltage, current, temperature, and capacity
• Real-time estimation of remaining battery life
• Overvoltage and undervoltage protection
• Overcurrent protection
• Temperature monitoring and thermal shutdown
• Communication with host system for data exchange

Advantages and Disadvantages

Advantages

• Precise battery management for optimal performance
• Enhanced safety through built-in protection features
• Efficient utilization of battery capacity
• Real-time estimation of remaining battery life

Disadvantages

• Limited compatibility with certain battery chemistries
• Requires additional circuitry for charging/discharging control

Working Principles

BQ34Z651DBTR operates by continuously monitoring the battery voltage, current, and temperature. It utilizes sophisticated algorithms to estimate the remaining battery capacity and predict the remaining runtime. The integrated protection features ensure safe operation by preventing overvoltage, undervoltage, and overcurrent conditions.

Detailed Application Field Plans

BQ34Z651DBTR finds applications in various fields where accurate battery management is crucial. Some notable application areas include:

1. Portable Electronics: Smartphones, tablets, laptops, and wearable devices.
2. Electric Vehicles: Battery management systems in electric cars, bikes, and scooters.
3. Energy Storage Systems: Monitoring and managing batteries in renewable energy storage solutions.
4. Medical Devices: Battery-powered medical equipment and implants.
5. Industrial Equipment: Battery management in industrial machinery and automation systems.

Detailed and Complete Alternative Models

1. BQ34Z100-G1: Similar battery management IC with extended temperature range.
2. BQ34Z110-G1: Advanced version with enhanced communication capabilities.
3. BQ34Z120-G1: Higher accuracy variant with improved measurement precision.

These alternative models offer similar functionality and can be considered based on specific requirements and application needs.

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