BQ20Z75DBTR-V180
Lithium battery gas gauge and protection ICs in 38-pin TSSOP format
Manufacturer： ti
series introduction
# Introduction to the BQ20Z75DBTR - V180 Product Series
## 1. Overview
The BQ20Z75DBTR - V180 is a cutting - edge product series designed to meet the complex and demanding requirements of modern battery management systems. Developed by a leading semiconductor company, this series offers a comprehensive solution for accurately monitoring, protecting, and managing batteries in a wide range of applications.
## 2. Key Features
### 2.1 High - Precision Battery Monitoring
- **Voltage Sensing**: The BQ20Z75DBTR - V180 is equipped with highly accurate voltage sensing capabilities. It can precisely measure the battery voltage, enabling users to have real - time and detailed information about the battery's state of charge. This high - precision voltage measurement is crucial for applications where battery performance and safety are of utmost importance, such as in electric vehicles and portable medical devices.
- **Current Measurement**: With advanced current sensing technology, the product can accurately measure the charge and discharge currents of the battery. This feature allows for precise calculation of the battery's state of health (SOH) and state of charge (SOC). By continuously monitoring the current, it can detect any abnormal current flow, which may indicate a potential battery fault or malfunction.
### 2.2 Advanced Battery Protection
- **Over - Voltage Protection**: To prevent damage to the battery due to excessive voltage, the BQ20Z75DBTR - V180 is designed with over - voltage protection. When the battery voltage exceeds a pre - set threshold, the device will automatically take appropriate measures to limit the voltage, such as disconnecting the charging circuit.
- **Under - Voltage Protection**: Similarly, under - voltage protection is implemented to safeguard the battery from being discharged below a safe level. If the battery voltage drops below the specified limit, the device will cut off the discharge path to prevent irreversible damage to the battery.
- **Over - Current Protection**: In cases where the battery experiences an excessive current flow, the over - current protection feature of the BQ20Z75DBTR - V180 will activate. This helps to prevent overheating and potential fire hazards, ensuring the safety of the battery and the connected devices.
### 2.3 Integrated Fuel Gauge Function
- **Accurate SOC Estimation**: The integrated fuel gauge function of the BQ20Z75DBTR - V180 provides users with an accurate estimate of the battery's state of charge. It uses a combination of advanced algorithms and real - time data from voltage and current measurements to calculate the remaining battery capacity. This information is essential for users to plan their usage and ensure that the battery does not run out unexpectedly.
- **Self - Calibration**: The fuel gauge has a self - calibration feature that automatically adjusts the SOC estimation based on the battery's actual performance over time. This helps to maintain the accuracy of the SOC reading, even as the battery ages and its characteristics change.
### 2.4 Communication Interface
- **I2C Interface**: The BQ20Z75DBTR - V180 is equipped with an I2C communication interface, which allows for easy integration with other microcontrollers and devices. This interface enables seamless data transfer between the battery management system and the host system, facilitating real - time monitoring and control of the battery.
## 3. Applications
### 3.1 Portable Electronics
- **Smartphones and Tablets**: In smartphones and tablets, the BQ20Z75DBTR - V180 can be used to accurately monitor the battery's state of charge and protect it from over - charging and over - discharging. This helps to extend the battery life and improve the overall performance of the device.
- **Laptops**: For laptops,
Images for reference
38-TSSOP
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