BQ76PL536ATPAPTQ1

Product Overview

Category

The BQ76PL536ATPAPTQ1 belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

This product is primarily used in electric vehicles, energy storage systems, and other applications that require efficient and reliable battery monitoring and control.

Characteristics

• High accuracy voltage and temperature measurement
• Balancing capability for individual battery cells
• Overvoltage and undervoltage protection
• Communication interface for system integration
• Low power consumption

Package

The BQ76PL536ATPAPTQ1 is available in a small form factor package, such as a thin quad flat pack (TQFP), which allows for easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to accurately monitor and balance battery cells, ensuring optimal performance and extending the overall lifespan of the battery pack.

Packaging/Quantity

The BQ76PL536ATPAPTQ1 is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Cell Voltage Measurement Range: 0V to 5V
• Temperature Measurement Range: -40°C to +125°C
• Communication Interface: SPI/I2C
• Balancing Current: Up to 100mA per cell
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BQ76PL536ATPAPTQ1 has a total of 48 pins, each serving a specific function. The pin configuration is as follows:

(Pin Number) (Pin Name) (Function) 1 VDD Positive supply voltage 2 GND Ground 3 SDA I2C data line 4 SCL I2C clock line 5 CS Chip select for SPI interface 6 MISO Master In Slave Out (SPI) 7 MOSI Master Out Slave In (SPI) 8 SCLK Serial Clock (SPI) 9 INT Interrupt output 10 EN Enable input 11-18 CELL1 to CELL8 Cell voltage measurement inputs 19-26 TEMP1 to TEMP8 Temperature measurement inputs 27-34 BAL1 to BAL8 Balancing control outputs 35-42 AUX1 to AUX8 Auxiliary inputs/outputs 43-48 NC Not connected

Functional Features

1. Accurate Voltage and Temperature Measurement

The BQ76PL536ATPAPTQ1 provides precise measurement of individual cell voltages and temperatures, allowing for effective battery monitoring and management.

2. Balancing Capability

This IC incorporates a balancing feature that equalizes the charge/discharge levels of each battery cell, preventing capacity imbalances and maximizing overall battery performance.

3. Overvoltage and Undervoltage Protection

To ensure the safety and longevity of the battery pack, the BQ76PL536ATPAPTQ1 includes built-in protection mechanisms that detect and respond to overvoltage and undervoltage conditions.

4. Communication Interface

With its integrated SPI/I2C interface, this product enables seamless integration into battery management systems, facilitating data exchange and control between the IC and the system controller.

5. Low Power Consumption

The BQ76PL536ATPAPTQ1 is designed to operate with minimal power consumption, optimizing energy efficiency in battery-powered applications.

Advantages and Disadvantages

Advantages

• High accuracy measurement ensures reliable battery monitoring
• Balancing capability extends battery lifespan
• Integrated protection mechanisms enhance safety
• Communication interface allows for easy system integration
• Low power consumption minimizes energy usage

Disadvantages

• Limited to 8-cell battery management applications
• Requires external components for complete battery management system implementation

Working Principles

The BQ76PL536ATPAPTQ1 operates by continuously monitoring the voltage and temperature of each battery cell. It compares these measurements against predefined thresholds to detect abnormal conditions such as overvoltage or undervoltage. In case of an imbalance, the IC activates the balancing control outputs to equalize the charge/discharge levels among the cells. The measured data can be accessed through the communication interface, enabling real-time monitoring and control.

Detailed Application Field Plans

The BQ76PL536ATPAPTQ1 is widely used in various applications, including:

1. Electric Vehicles (EVs): This IC plays a crucial role in managing the battery pack of electric vehicles, ensuring optimal performance, safety, and longevity.

2. Energy Storage Systems: Battery management systems utilizing the BQ76PL536ATPAPTQ1 are employed in renewable energy storage systems, allowing efficient utilization of stored energy.

3. Portable Electronics: This product finds application in portable electronic devices that rely on rechargeable batteries, such as laptops, smartphones,