BQ35100PW

Product Overview

Category

BQ35100PW 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

• High precision voltage and current measurement capabilities
• Advanced battery protection features
• Integrated temperature sensing
• Efficient power management algorithms
• Robust communication interfaces for data exchange
• Compact and lightweight design

Package

The BQ35100PW is available in a small outline package (SOP) with a pin count of 20. This package offers excellent thermal performance and ease of integration into different circuit designs.

Essence

The essence of the BQ35100PW lies in its ability to accurately measure battery parameters, protect the battery from overcharging or discharging, and provide essential information for efficient battery management.

Packaging/Quantity

The BQ35100PW is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Temperature Measurement Range: -40°C to +85°C
• Communication Interface: I2C
• Battery Capacity Measurement Resolution: 1μAh
• Current Measurement Accuracy: ±0.5%
• Voltage Measurement Accuracy: ±10mV
• Standby Current: <10μA

Detailed Pin Configuration

The BQ35100PW has a total of 20 pins, each serving a specific function. Here is a detailed pin configuration:

1. VSS: Ground
2. SDA: I2C Serial Data Input/Output
3. SCL: I2C Serial Clock Input
4. ALERT: Battery Alert Output
5. VDD: Power Supply Voltage
6. TS: Temperature Sense Input
7. BAT: Battery Voltage Sense Input
8. CC: Charge Current Sense Input
9. VSS: Ground
10. VSS: Ground
11. VSS: Ground
12. VSS: Ground
13. VSS: Ground
14. VSS: Ground
15. VSS: Ground
16. VSS: Ground
17. VSS: Ground
18. VSS: Ground
19. VSS: Ground
20. VSS: Ground

Functional Features

• Accurate measurement of battery voltage, current, and temperature
• Overcharge and over-discharge protection
• Real-time monitoring of battery health parameters
• Data logging and storage capabilities
• Communication with external devices for system integration
• Low power consumption in standby mode
• Flexible configuration options for different battery chemistries

Advantages and Disadvantages

Advantages

• High precision measurements ensure accurate battery management
• Comprehensive protection features enhance battery safety and lifespan
• Efficient power management algorithms optimize battery performance
• Compact design allows for easy integration into various applications
• Reliable communication interfaces enable seamless data exchange

Disadvantages

• Limited compatibility with certain battery chemistries
• Relatively higher cost compared to simpler battery management solutions
• Requires additional circuitry for full system implementation

Working Principles

The BQ35100PW operates based on the principles of voltage and current sensing, temperature measurement, and advanced algorithms. It continuously monitors the battery's voltage and current levels, along with the ambient temperature, to accurately determine the battery's state of charge and health. The IC also incorporates sophisticated protection mechanisms to prevent overcharging or discharging, ensuring safe operation of the battery.

Detailed Application Field Plans

The BQ35100PW finds extensive application in various fields, including:

1. Portable Electronic Devices: Enables precise battery monitoring and protection in smartphones, tablets, laptops, and wearables.
2. Electric Vehicles: Facilitates efficient battery management in electric cars, ensuring optimal performance and longevity.
3. Renewable Energy Systems: Integrates with solar power systems and energy storage solutions to monitor and control battery usage.
4. Industrial Equipment: Provides reliable battery management for critical equipment, such as backup power supplies and uninterruptible power systems.

Detailed and Complete Alternative Models

• BQ35101PW
• BQ35102PW
• BQ35103PW
• BQ35104PW
• BQ35105PW

These alternative models offer similar functionality to the BQ35100PW, with slight variations in specifications and features. Users can choose the most suitable model based on their specific requirements.

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