BQ76PL102RGTR

Product Overview

Category

BQ76PL102RGTR belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for battery management in various applications.

Characteristics

• High precision voltage and temperature monitoring
• Balancing capability for multi-cell battery packs
• Communication interface for system integration
• Low power consumption
• Compact size

Package

The BQ76PL102RGTR comes in a small outline package (SOP) with 20 pins.

Essence

The essence of this product lies in its ability to efficiently manage and monitor battery performance, ensuring optimal usage and longevity.

Packaging/Quantity

The BQ76PL102RGTR is typically packaged in reels and available in quantities suitable for both small-scale and large-scale production.

Specifications

• Input Voltage Range: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Number of Cells Supported: Up to 16 cells
• Communication Interface: SPI (Serial Peripheral Interface)
• Balancing Current: Up to 100mA per cell
• Accuracy:
  • Voltage Measurement: ±10mV
  • Temperature Measurement: ±1°C

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. SCLK: Serial clock for SPI communication
4. MOSI: Master output, slave input for SPI communication
5. MISO: Master input, slave output for SPI communication
6. CS: Chip select for SPI communication
7. ALERT: Interrupt output for fault detection
8. BAL_EN: Balancing enable control
9. BAL_SEL: Balancing selection control
10. TEMP: Temperature measurement input 11-26. CELLx: Cell voltage measurement inputs (x = 1 to 16)

Functional Features

• Accurate voltage and temperature monitoring for each cell
• Balancing capability to equalize charge levels among cells
• Fault detection and reporting through the ALERT pin
• Flexible communication interface for system integration
• Low power consumption for energy-efficient operation

Advantages

• High precision measurements ensure accurate battery management
• Balancing feature extends battery life by preventing overcharging or undercharging
• Compact size allows for easy integration into various applications
• Wide operating temperature range enables usage in extreme environments

Disadvantages

• Limited support for a maximum of 16 cells, may not be suitable for larger battery packs
• Requires external microcontroller for full functionality
• Relatively higher cost compared to simpler battery management solutions

Working Principles

The BQ76PL102RGTR operates by continuously monitoring the voltage and temperature of each individual cell in a battery pack. It uses this information to determine the state of charge and health of the battery. The IC also incorporates balancing circuitry that redistributes charge among cells to ensure they are all at similar levels. Communication with an external microcontroller is established through the SPI interface, allowing for seamless integration into larger systems.

Detailed Application Field Plans

The BQ76PL102RGTR finds application in various fields, including: - Electric vehicles - Renewable energy systems - Portable electronic devices - Uninterruptible power supplies (UPS) - Industrial equipment

In electric vehicles, this IC ensures efficient utilization of battery capacity and prolongs battery life. In renewable energy systems, it helps optimize energy storage and enhances overall system performance. Portable electronic devices benefit from its precise battery monitoring and protection features. UPS units rely on the BQ76PL102RGTR for reliable battery management. Lastly, industrial equipment utilizes this IC to maintain optimal battery performance in demanding environments.

Detailed and Complete Alternative Models

1. BQ76PL102RGTT: Similar to BQ76PL102RGTR, but available in a different package (TSSOP).
2. BQ76PL103RGTR: Supports up to 24 cells, suitable for larger battery packs.
3. BQ76PL101RGTR: Basic version with voltage monitoring and balancing features only, suitable for simpler applications.

These alternative models offer similar functionality with slight variations in specifications and capabilities, allowing users to choose the most suitable option for their specific requirements.

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