BQ20Z655DBTR-R1

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Battery management systems are critical to the performance, lifetime and safety of lithium ion (Li-ion) and other types of batteries. BQ20Z655DBTR-R1 Integrated Battery Management System is an ideal solution to improve the safety, performance and battery life of high density Li-ion battery packs. It is a high performance well-integrated system-in-package (SiP) solution, integrating microcontroller units (MCUs), analog front-ends, power management and peripherals into a single device.

Application Field

The BQ20Z655DBTR-R1 Integrated Battery Management System can be used in applications such as portable personal health care systems, high accuracy data capture systems and backup power systems. With a single chip solution, it can enable battery-operated systems to achieve improved performance and greater energy efficiency.

The BQ20Z655DBTR-R1 can be used in combination with high density Li-ion batteries, such as those used in notebook computers, power tools, large battery packs for grid storage, and other high performance applications. Additionally, its SiP technology can help free up board space and reduce overall device costs.

Working Principle

The BQ20Z655DBTR-R1 Integrated Battery Management System works by monitoring voltage and temperature of the battery, as well as other conditions. It has a 12-bit ADC and DAC channels, allowing the system to sample and analyze the battery voltage and current. This information is then used to calculate the state of charge (SoC) and state of health (SoH). The SoC is then used to set the system’s charging and discharging rates, as well as the battery cut-off voltage. The SoH allows the system to adjust the charging rate and other characteristics of the battery to ensure its optimal operation.

The system also comes with intelligent overload protection and over-temperature protection that can be used to protect the battery from being overcharged or over-discharged. These protections are adjustable, allowing the system to be used in a range of applications. Additionally, the system can be adjusted to allow higher capacities, which makes it suitable for larger capacity battery packs.

The BQ20Z655DBTR-R1 is designed to interface with both 3 wire (12V/24V) batteries and also 4 wire (48V/60V) Lithium Ion batteries. It is designed to enable efficient management of the battery pack and battery cells, even in harsh environmental conditions. Additionally, it can be used in battery packs with multiple cells and supports both series cell and parallel cell configurations.

Overall, the BQ20Z655DBTR-R1 Integrated Battery Management System is an ideal solution for improving the performance, lifetime and safety of high density Li-ion battery packs. Its integrated design and adjustable protection features allow the system to be tailored to the needs of various applications.

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