BQ771815DPJR

Product Overview

Category

BQ771815DPJR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for battery management purposes.

Characteristics

• The BQ771815DPJR is a highly efficient and reliable battery management IC.
• It offers advanced features for monitoring and controlling battery parameters.
• This IC is designed to enhance the performance and safety of battery-powered devices.

Package

The BQ771815DPJR comes in a small outline package (SOP) with 16 pins.

Essence

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

Packaging/Quantity

The BQ771815DPJR is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Cell Compatibility: Li-Ion, Li-Polymer, NiMH, NiCd
• Communication Interface: I2C
• Protection Features: Overvoltage, Undervoltage, Overcurrent, Overtemperature

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: I2C data line
4. SCL: I2C clock line
5. BAT: Battery voltage sense input
6. TS: Temperature sense input
7. ALERT: Interrupt output
8. STAT: Status output
9. VSS: Negative terminal of the battery pack
10. VREF: Reference voltage output
11. VCC: Positive terminal of the battery pack
12. PROG: Programming input
13. THERM: Thermistor input
14. VSS: Negative terminal of the battery pack
15. VREF: Reference voltage output
16. VCC: Positive terminal of the battery pack

Functional Features

• Accurate monitoring of battery voltage and temperature.
• Overvoltage and undervoltage protection to prevent damage to the battery.
• Overcurrent protection to safeguard against excessive current draw.
• Overtemperature protection to prevent overheating of the battery.
• Communication interface for data exchange with external devices.
• Interrupt and status outputs for system notifications.

Advantages and Disadvantages

Advantages

• High accuracy in monitoring battery parameters.
• Comprehensive protection features ensure battery safety.
• Compact package size allows for easy integration into various devices.
• Wide operating temperature range enables usage in diverse environments.
• I2C communication interface facilitates seamless integration with other components.

Disadvantages

• Limited compatibility with certain battery chemistries.
• Requires additional programming for specific applications.
• Relatively higher cost compared to simpler battery management solutions.

Working Principles

The BQ771815DPJR operates by continuously monitoring the battery voltage and temperature using dedicated sensing inputs. It compares these values against predefined thresholds to detect abnormal conditions. If any parameter exceeds the specified limits, the IC triggers appropriate protection mechanisms to prevent potential damage to the battery or connected devices. The communication interface allows external devices to access real-time battery information and control the IC's behavior.

Detailed Application Field Plans

The BQ771815DPJR finds extensive application in various battery-powered devices, including but not limited to: - Portable consumer electronics (e.g., smartphones, tablets) - Electric vehicles and hybrid electric vehicles - Power tools and industrial equipment - Medical devices and healthcare equipment - Renewable energy systems

Detailed and Complete Alternative Models

1. BQ771816DPJR
2. BQ771817DPJR
3. BQ771818DPJR
4. BQ771819DPJR
5. BQ771820DPJR

These alternative models offer similar functionality and features, providing flexibility in choosing the most suitable battery management IC for specific applications.

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