BQ2060ADBQG4

Product Overview

Category

The BQ2060ADBQG4 belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

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

Characteristics

• The BQ2060ADBQG4 offers advanced battery protection features, including overcharge, over-discharge, and short-circuit protection.
• It supports accurate voltage and temperature monitoring, ensuring safe and efficient battery operation.
• This IC incorporates a fuel gauge algorithm that accurately estimates the remaining battery capacity.
• It provides communication interfaces like I2C and SMBus for easy integration with microcontrollers or host systems.

Package and Quantity

The BQ2060ADBQG4 is available in a small form factor package, typically a 20-pin TSSOP (Thin Shrink Small Outline Package). It is commonly sold in reels containing multiple units.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Communication Interface: I2C, SMBus
• Battery Capacity Measurement Accuracy: ±1%
• Overcharge Protection Threshold: Configurable
• Over-Discharge Protection Threshold: Configurable

Pin Configuration

The BQ2060ADBQG4 has a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply Voltage | | 2 | SDA | I2C Data Line | | 3 | SCL | I2C Clock Line | | 4 | GND | Ground | | 5 | TS | Temperature Sense Input | | 6 | VSS | Negative Battery Terminal | | 7-10 | BAT1-4 | Battery Voltage Measurement Inputs | | 11 | VCC | Positive Battery Terminal | | 12 | SRP | System Reset Output | | 13 | SDA2 | I2C Data Line (Secondary) | | 14 | SCL2 | I2C Clock Line (Secondary) | | 15 | VDD2 | Power Supply Voltage (Secondary) | | 16 | VSS2 | Ground (Secondary) | | 17-20 | NC | No Connection |

Functional Features

The BQ2060ADBQG4 offers several functional features that enhance battery management capabilities:

1. Accurate Battery Monitoring: The IC provides precise voltage and temperature measurements, enabling accurate estimation of battery capacity and health.

2. Overcharge and Over-Discharge Protection: It incorporates built-in protection circuits to prevent battery damage due to overcharging or excessive discharge.

3. Fuel Gauge Algorithm: The integrated fuel gauge algorithm calculates the remaining battery capacity based on voltage, current, and temperature data, providing reliable information to the system.

4. Communication Interfaces: The I2C and SMBus interfaces facilitate seamless communication between the IC and external microcontrollers or host systems, allowing for easy integration and control.

Advantages and Disadvantages

Advantages

• Comprehensive battery protection features ensure safe operation.
• Accurate fuel gauge algorithm enhances battery capacity estimation.
• Compact package size enables space-efficient designs.
• Multiple communication interfaces provide flexibility in system integration.

Disadvantages

• Limited pin count may restrict the number of batteries that can be monitored simultaneously.
• Requires external microcontroller or host system for full functionality.

Working Principles

The BQ2060ADBQG4 operates by continuously monitoring the battery voltage, temperature, and current. It uses these measurements to estimate the remaining battery capacity and detect any abnormal conditions. The IC's built-in protection circuits ensure that the battery is not overcharged or discharged beyond safe limits. Communication interfaces allow the IC to exchange data with external systems for real-time monitoring and control.

Application Field Plans

The BQ2060ADBQG4 finds applications in various fields, including:

1. Portable Electronic Devices: Enables accurate battery monitoring and protection in smartphones, tablets, laptops, and wearable devices.

2. Electric Vehicles: Facilitates battery management in electric cars, ensuring optimal performance and longevity.

3. Renewable Energy Systems: Monitors and controls batteries used in solar power systems, wind turbines, and energy storage solutions.

4. Medical Devices: Provides reliable battery management for critical medical equipment, such as patient monitors and portable diagnostic devices.

Alternative Models

In addition to the BQ2060ADBQG4, there are several alternative models available in the market that offer similar functionality. Some notable alternatives include:

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