BQ20Z655DBTR

Product Overview

Category

BQ20Z655DBTR belongs to the category of battery fuel gauge integrated circuits.

Use

This product is primarily used for accurately measuring and monitoring the state of charge (SOC) and remaining capacity of rechargeable batteries.

Characteristics

• Accurate SOC measurement
• Reliable capacity estimation
• Low power consumption
• Wide operating temperature range
• Small form factor

Package

BQ20Z655DBTR is available in a small outline transistor (SOT) package.

Essence

The essence of BQ20Z655DBTR lies in its ability to provide accurate and reliable information about the battery's state of charge, allowing users to effectively manage their power usage.

Packaging/Quantity

This product is typically sold in reels containing a specified quantity of units per reel.

Specifications

• Operating Voltage: 2.7V - 4.8V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Battery Capacity Range: 100mAh - 10,000mAh
• Accuracy: ±1% SOC

Detailed Pin Configuration

The BQ20Z655DBTR has the following pin configuration:

1. VSS - Ground
2. SDA - Serial Data Line
3. SCL - Serial Clock Line
4. VDD - Power Supply
5. TS - Temperature Sense
6. BAT - Battery Connection
7. PACK+ - Positive Terminal of Battery Pack
8. PACK- - Negative Terminal of Battery Pack

Functional Features

• Accurate measurement of state of charge (SOC)
• Reliable estimation of remaining capacity
• Overvoltage and undervoltage protection
• Temperature sensing for thermal management
• Communication interface for data exchange

Advantages and Disadvantages

Advantages

• Accurate SOC measurement helps optimize battery usage.
• Reliable capacity estimation aids in preventing unexpected power loss.
• Low power consumption prolongs battery life.
• Wide operating temperature range ensures functionality in various environments.
• Small form factor allows for integration into compact devices.

Disadvantages

• Limited compatibility with certain battery chemistries.
• Requires additional circuitry for full battery protection.
• Relatively high cost compared to simpler fuel gauge solutions.

Working Principles

BQ20Z655DBTR utilizes advanced algorithms and sensing techniques to accurately measure the state of charge and estimate the remaining capacity of the battery. It takes into account factors such as voltage, current, and temperature to provide reliable information.

Detailed Application Field Plans

The BQ20Z655DBTR is widely used in various applications, including but not limited to: - Portable electronic devices - Electric vehicles - Energy storage systems - Medical devices - Industrial equipment

Detailed and Complete Alternative Models

1. BQ27441-G1: Similar functionality with enhanced accuracy.
2. MAX17043G+: Lower power consumption with comparable features.
3. LTC2945: Integrated power monitor with extended temperature range.

These alternative models offer similar capabilities to the BQ20Z655DBTR and can be considered based on specific requirements and preferences.

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