BQ20Z65DBTR-R1

Product Overview

Category

BQ20Z65DBTR-R1 belongs to the category of battery fuel gauge ICs.

Use

This product is primarily used for accurately measuring and reporting the remaining capacity of rechargeable batteries.

Characteristics

• Accurate capacity measurement
• Real-time reporting of battery status
• Low power consumption
• Compact size

Package

BQ20Z65DBTR-R1 is available in a small form factor package, which makes it suitable for various applications.

Essence

The essence of BQ20Z65DBTR-R1 lies in its ability to provide accurate and reliable information about the remaining capacity of rechargeable batteries.

Packaging/Quantity

This product is typically sold in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V - 4.8V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Battery Capacity Measurement Accuracy: ±1%
• Standby Current: <10µA

Detailed Pin Configuration

The BQ20Z65DBTR-R1 has a total of 16 pins. Here is the detailed pin configuration:

1. VSS - Ground
2. SDA - I2C Data Line
3. SCL - I2C Clock Line
4. TS1 - Temperature Sense Input 1
5. TS2 - Temperature Sense Input 2
6. BAT - Battery Voltage Sense Input
7. VDD - Power Supply
8. SRP - System Reset Output
9. DSG - Discharge FET Control Output
10. CHG - Charge FET Control Output
11. PACK+ - Positive Terminal of Battery Pack
12. PACK- - Negative Terminal of Battery Pack
13. VSS - Ground
14. VSS - Ground
15. VSS - Ground
16. VSS - Ground

Functional Features

• Accurate measurement of battery capacity
• Real-time reporting of remaining capacity
• Overvoltage and undervoltage protection
• Temperature monitoring for safe operation
• Low power consumption for extended battery life

Advantages and Disadvantages

Advantages

• Accurate capacity measurement helps optimize battery usage.
• Real-time reporting enables users to plan their activities accordingly.
• Overvoltage and undervoltage protection ensure the safety of the battery and connected devices.
• Temperature monitoring prevents overheating and potential damage.
• Low power consumption prolongs battery life.

Disadvantages

• Limited compatibility with certain battery chemistries.
• Requires proper calibration for optimal performance.
• Relatively higher cost compared to simpler battery monitoring solutions.

Working Principles

BQ20Z65DBTR-R1 utilizes advanced algorithms to measure the battery's voltage, current, and temperature. It then calculates the remaining capacity based on these parameters. The IC communicates with the host system through the I2C interface, providing real-time updates on the battery status.

Detailed Application Field Plans

BQ20Z65DBTR-R1 finds applications in various fields, including: 1. Portable electronic devices such as smartphones, tablets, and laptops. 2. Electric vehicles and hybrid electric vehicles. 3. Power banks and portable chargers. 4. Industrial equipment and machinery. 5. Renewable energy systems.

Detailed and Complete Alternative Models

1. BQ27441-G1: Similar to BQ20Z65DBTR-R1, this fuel gauge IC offers accurate capacity measurement and real-time reporting. It also features a compact size and low power consumption.
2. MAX17043G+: This alternative model provides similar functionality with additional features such as programmable alert thresholds and a Coulomb counter for precise capacity measurement.
3. LTC2943: This fuel gauge IC offers high accuracy in capacity measurement and includes an integrated temperature sensor. It also supports multiple battery chemistries.

These alternative models can be considered based on specific requirements and compatibility with the application.

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