BQ29209DRBR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-27677-2-ND |
Manufacturer Part#: |
BQ29209DRBR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC VOLT PROT 2-CELL LI-ION 8SON |
More Detail: | Battery Battery Protection IC Lithium-Ion 8-SON (3... |
DataSheet: | BQ29209DRBR Datasheet/PDF |
Quantity: | 12000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 2 (1 Year) |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Function: | Battery Protection |
Battery Chemistry: | Lithium-Ion |
Number of Cells: | 2 |
Fault Protection: | Over Voltage |
Interface: | -- |
Operating Temperature: | -40°C ~ 110°C (TA) |
Package / Case: | 8-VDFN Exposed Pad |
Supplier Device Package: | 8-SON (3x3) |
Base Part Number: | BQ29209 |
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PMIC – Battery Management
The Texas Instruments BQ29209DRBR, a fully integrated battery management solution, is a power monitoring and supervisor IC specifically designed to improve safety, reliability, and available run time for rechargeable Li-Ion and Li-Polymer battery packs with up to 8 cells. This device monitors the status of charge and discharge currents, the average cell voltage, the peak voltage of each cell, temperature and the open circuit voltage of the Li-Ion battery pack. The BQ29209DRBR could also be used in a multitude of applications in battery management, such as a battery-charger or an intelligent battery-cutoff device.
Application Field
The application field of the BQ29209DRBR covers a vast range of industries, including but not limited to portable medical and fitness devices, notebook PCs, power tools, battery back-up systems, industrial control systems, automotive applications and many others. Due to its simple two-wire interface and low operating voltage requirements, the BQ29209DRBR is easy to integrate into most systems. Furthermore, the BQ29209DRBR is shipped in a miniature 10-pin MSOP package, which makes it lighter and more cost-effective to handle.
Working Principle
The core of the BQ29209DRBR is based on a precision voltage regulator that constantly monitors the charging current, the peak voltage of each cell, and safety events through a two-wire interface. The BQ29209DRBR has an integrated voltage regulator that accepts charging current up to 15A (which is up to 20A when using secondary overcurrent protection). The charge current and the peak cell voltage for each cell are continuously monitored, providing a reliable protection against overcharging and over-voltage faults. Additionally, the BQ29209DRBR has the capability to monitor and report the peak open circuit voltage of each cell. All these informations can be used to ensure a safe charge and an “optimal” full battery operation.
The BQ29209DRBR includes integrated temperature sensing and regulation, providing a more flexible and accurate system for battery temperatures monitoring. The temperature sensor is connected to an internal ADC that can continuously monitor the temperature of the cells and report them via the two-wire interface. Additionally, the BQ29209DRBR\'s integrated voltage regulator has separate voltage settings for over-voltage, under-voltage and temperature regulation.
The main features of the BQ29209DRBR are its low operating voltage, fast response time and efficient power consumption. The BQ29209DRBR works with an operating voltage as low as 2.2V, allowing it to be used with batteries that have a lower nominal voltage. Additionally, the BQ29209DRBR can detect safety events accurately, providing an efficient and reliable battery monitoring solution. The BQ29209DRBR also has a low operating power consumption, making it suitable for the most power-demanding applications.
Conclusion
The Texas Instruments BQ29209DRBR IC is a highly integrated battery management solution, specifically designed for Li-Ion and Li-Polymer battery packs. The BQ29209DRBR is a reliable and efficient way to rapidly monitor and report charge and discharge currents, average and peak cell voltages, temperature and open circuit voltage of the battery pack. Furthermore, its low operating voltage, fast response time and low power consumption make it a perfect fit for power-demanding applications in a wide range of industries.
The specific data is subject to PDF, and the above content is for reference
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