BQ27542DRZR-G1

Product Overview

Category

The BQ27542DRZR-G1 belongs to the category of integrated circuits (ICs) specifically designed for battery management.

Use

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

Characteristics

• Integrated circuit for battery management
• Monitors battery capacity, voltage, and temperature
• Controls charging and discharging processes
• Provides accurate battery information to the device

Package

The BQ27542DRZR-G1 comes in a small form factor package, typically a 16-pin QFN (Quad Flat No-Lead) package.

Essence

The essence of this product lies in its ability to accurately measure and manage battery parameters, ensuring optimal performance and safety.

Packaging/Quantity

The BQ27542DRZR-G1 is usually packaged in reels or tubes, with a typical quantity of 2500 units per reel or tube.

Specifications

• Operating Voltage: 2.7V to 4.5V
• Battery Capacity Measurement Range: 0mAh to 65535mAh
• Temperature Measurement Range: -40°C to +85°C
• Communication Interface: I2C (Inter-Integrated Circuit)
• Dimensions: 3mm x 3mm x 0.75mm

Detailed Pin Configuration

1. VSS - Ground
2. SDA - I2C Data Line
3. SCL - I2C Clock Line
4. ALERT - Interrupt Output
5. TS - Temperature Sense Input
6. BAT - Battery Voltage Sense Input
7. SRP - System Reset Output
8. VDD - Power Supply
9. VSS - Ground
10. VSS - Ground
11. VSS - Ground
12. VSS - Ground
13. VSS - Ground
14. VSS - Ground
15. VSS - Ground
16. VSS - Ground

Functional Features

• Accurate battery capacity measurement
• Real-time monitoring of battery voltage and temperature
• Overcharge and over-discharge protection
• Integrated fuel gauge algorithm for accurate state-of-charge estimation
• Low-power consumption for extended battery life

Advantages and Disadvantages

Advantages

• Precise battery management for optimal performance
• Enhanced safety through voltage and temperature monitoring
• Reliable fuel gauge algorithm for accurate battery status indication
• Compact form factor for easy integration into various devices

Disadvantages

• Limited compatibility with certain battery chemistries or configurations
• Requires proper calibration for accurate capacity measurement
• Relatively higher cost compared to simpler battery management solutions

Working Principles

The BQ27542DRZR-G1 operates by continuously monitoring the battery voltage, current, and temperature. It utilizes an integrated fuel gauge algorithm to accurately estimate the state-of-charge and remaining capacity of the battery. The device communicates with the host system through the I2C interface, providing real-time battery information and triggering alerts when necessary.

Detailed Application Field Plans

The BQ27542DRZR-G1 is widely used in various applications that require precise battery management. Some common application fields include:

1. Portable Electronics: Smartphones, tablets, laptops, and portable gaming devices.
2. Medical Devices: Patient monitoring systems, portable medical equipment, and wearable health trackers.
3. Industrial Equipment: Handheld tools, wireless sensors, and remote monitoring devices.
4. Automotive: Electric vehicles, hybrid vehicles, and battery-powered accessories.
5. Energy Storage Systems: Solar power systems, uninterruptible power supplies (UPS), and energy storage banks.

Detailed and Complete Alternative Models

1. BQ27441DRZR-G1: Similar functionality with additional support for authentication and security features.
2. BQ27742DRZR-G1: Higher capacity measurement range and extended temperature range.
3. BQ27545DRZR-G1: Enhanced communication interface options (I2C and SMBus).

(Note: The above alternative models are provided as examples and may vary based on specific requirements and availability in the market.)

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