BQ27621YZFT-G1A
Product Overview
Category
BQ27621YZFT-G1A belongs to the category of integrated battery fuel gauges.
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
- Precise remaining capacity estimation
- Low power consumption
- Compact size
- Easy integration into battery-powered devices
Package
The BQ27621YZFT-G1A comes in a small form factor package, making it suitable for space-constrained applications.
Essence
The essence of this product lies in its ability to provide reliable and accurate information about the battery's state of charge, enabling efficient power management and enhancing user experience.
Packaging/Quantity
The BQ27621YZFT-G1A is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Operating Voltage: 2.7V - 4.8V
- Temperature Range: -40°C to +85°C
- Communication Interface: I2C
- Battery Chemistry Support: Li-Ion, Li-Polymer
- Accuracy: ±1% SOC, ±5% Capacity
Detailed Pin Configuration
The BQ27621YZFT-G1A has the following pin configuration:
| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VSS | Ground | | 2 | SDA | I2C Data | | 3 | SCL | I2C Clock| | 4 | VDD | Power |
Functional Features
- Accurate State of Charge (SOC) Measurement: The BQ27621YZFT-G1A utilizes advanced algorithms to provide precise SOC information, allowing users to monitor battery levels accurately.
- Remaining Capacity Estimation: This product estimates the remaining capacity of the battery, enabling users to plan their power usage effectively.
- Low Power Consumption: The BQ27621YZFT-G1A is designed to consume minimal power, ensuring efficient battery operation and extended device runtime.
- Compact Size: With its small form factor, this product can be easily integrated into various battery-powered devices without occupying much space.
Advantages and Disadvantages
Advantages
- Accurate SOC measurement enhances user experience.
- Precise remaining capacity estimation enables efficient power management.
- Low power consumption prolongs battery life.
- Compact size facilitates integration into space-constrained applications.
Disadvantages
- Limited compatibility with specific battery chemistries.
- Requires I2C communication interface support in the host device.
Working Principles
The BQ27621YZFT-G1A utilizes a combination of voltage, current, and temperature measurements to estimate the state of charge and remaining capacity of the battery. It employs sophisticated algorithms to ensure accurate readings and compensate for various factors that affect battery performance.
Detailed Application Field Plans
The BQ27621YZFT-G1A is widely used in various applications, including but not limited to: - Smartphones and tablets - Portable medical devices - Wearable electronics - Industrial equipment - Electric vehicles
Detailed and Complete Alternative Models
- BQ27441-G1A
- BQ27541-G1A
- BQ27741-G1A
- BQ27546-G1A
- BQ27550-G1A
These alternative models offer similar functionality and can be considered as alternatives to the BQ27621YZFT-G1A based on specific application requirements.
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技術ソリューションにおける BQ27621YZFT-G1A の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of BQ27621YZFT-G1A in technical solutions:
1. What is the BQ27621YZFT-G1A? - The BQ27621YZFT-G1A is a battery fuel gauge and protection IC designed for single-cell Li-ion or Li-polymer batteries.
2. What is the purpose of the BQ27621YZFT-G1A? - The BQ27621YZFT-G1A is used to accurately measure the state of charge (SOC) and remaining capacity of a battery, as well as provide protection features like overvoltage, undervoltage, and overcurrent protection.
3. How does the BQ27621YZFT-G1A measure battery SOC? - The BQ27621YZFT-G1A uses an integrated coulomb counter to measure the amount of charge flowing in and out of the battery, allowing it to estimate the SOC.
4. Can the BQ27621YZFT-G1A be used with any type of battery? - The BQ27621YZFT-G1A is specifically designed for single-cell Li-ion or Li-polymer batteries and may not be suitable for other types of batteries.
5. What communication interfaces does the BQ27621YZFT-G1A support? - The BQ27621YZFT-G1A supports I2C communication interface, allowing easy integration with microcontrollers or other devices.
6. How accurate is the BQ27621YZFT-G1A in measuring battery capacity? - The BQ27621YZFT-G1A has a typical accuracy of ±1% in measuring battery capacity, making it highly reliable for monitoring battery performance.
7. Does the BQ27621YZFT-G1A provide any temperature compensation? - Yes, the BQ27621YZFT-G1A includes temperature compensation to ensure accurate SOC estimation even in varying temperature conditions.
8. Can the BQ27621YZFT-G1A be used in portable devices? - Yes, the BQ27621YZFT-G1A is commonly used in portable devices like smartphones, tablets, and wearables to monitor battery status and protect against overcharging or discharging.
9. Does the BQ27621YZFT-G1A support battery pack balancing? - No, the BQ27621YZFT-G1A does not have built-in support for battery pack balancing. It primarily focuses on fuel gauging and protection functions.
10. Are there any evaluation modules available for the BQ27621YZFT-G1A? - Yes, Texas Instruments provides evaluation modules (EVMs) for the BQ27621YZFT-G1A, which can help developers quickly prototype and evaluate the IC's performance in their applications.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.