BQ20Z75DBTR-V160

Product Overview

Category

BQ20Z75DBTR-V160 belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

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

Characteristics

• Integrated circuit for battery management
• Monitors battery voltage, current, temperature, and state of charge
• Provides accurate battery capacity estimation
• Enables communication with external devices through a serial interface
• Supports various battery chemistries and configurations
• Offers advanced safety features to prevent overcharging and overheating

Package

BQ20Z75DBTR-V160 is available in a small form factor package, typically a thin quad flat no-leads (QFN) package. This package ensures efficient heat dissipation and ease of integration into different electronic systems.

Essence

The essence of BQ20Z75DBTR-V160 lies in its ability to accurately monitor and manage battery performance, ensuring optimal utilization and extending battery life.

Packaging/Quantity

This product is usually supplied in tape and reel packaging, with a specified quantity per reel. The exact packaging and quantity may vary depending on the supplier and customer requirements.

Specifications

• Operating Voltage: 2.7V to 4.5V
• Battery Chemistry Compatibility: Li-ion, Li-polymer, NiMH, etc.
• Communication Interface: I2C, SMBus
• Temperature Range: -40°C to +85°C
• Accuracy:
  • Voltage Measurement: ±10mV
  • Current Measurement: ±50mA
  • Temperature Measurement: ±1°C
• Dimensions: 5mm x 5mm x 0.9mm

Detailed Pin Configuration

The BQ20Z75DBTR-V160 IC has the following 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. PACK: Pack Voltage Sense Input
9. CC: Charge Current Sense Input
10. DSG: Discharge Current Sense Input

Functional Features

• Accurate monitoring of battery voltage, current, temperature, and state of charge
• Real-time estimation of remaining battery capacity
• Overvoltage and undervoltage protection
• Overcurrent and short-circuit protection
• Temperature-based charging and discharging control
• Communication with external devices for data exchange and system integration
• Built-in self-diagnostic capabilities for fault detection and reporting

Advantages and Disadvantages

Advantages

• Precise battery monitoring and management
• Compatibility with various battery chemistries and configurations
• Advanced safety features for reliable operation
• Compact package for easy integration into different systems
• Efficient communication interface for seamless data exchange

Disadvantages

• Limited operating temperature range (-40°C to +85°C)
• Requires additional external components for complete battery management system implementation
• Relatively high cost compared to simpler battery management solutions

Working Principles

BQ20Z75DBTR-V160 operates based on the principle of measuring battery voltage, current, and temperature to estimate the state of charge and remaining capacity. It utilizes an internal algorithm to accurately track the battery's performance and provide real-time information to the host system. The IC communicates with external devices through the serial interface, enabling seamless integration into battery management systems.

Detailed Application Field Plans

BQ20Z75DBTR-V160 finds extensive application in various fields, including:

1. Portable Electronic Devices:

   • Smartphones
   • Tablets
   • Laptops
   • Wearable devices

2. Electric Vehicles:

   • Hybrid electric vehicles (HEVs)
   • Plug-in hybrid electric vehicles (PHEVs)
   • Electric cars

3. Renewable Energy Systems:

   • Solar power systems
   • Wind power systems
   • Energy storage systems

4. Industrial Equipment:

   • Uninterruptible power supplies (UPS)
   • Robotics
   • Power tools

Detailed and Complete Alternative Models

1. BQ20Z80DBTR-V160: Similar to BQ20Z75DBTR-V160 with enhanced features and extended temperature range (-40°C to +105°C).
2. BQ30Z55DBTR-V160: Battery management IC with integrated fuel gauge for accurate capacity estimation and advanced safety features.
3. BQ34Z100DBTR-V160: High-precision battery management IC with enhanced communication capabilities and support for larger battery packs.

These alternative models offer similar functionality but may have different specifications and additional features to cater to specific application requirements.