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Rochester Electronics BQ24450DW Environmental and export classification status description

The Texas Instruments BQ24450DW is a highly integrated Li-ion battery charger controller designed for use in portable applications. It supports various charging techniques and safety features to manage the charging process efficiently. Functions 1. Charge Control: Provides constant current/constant voltage (CC/CV) charging. 2. Battery Voltage Monitoring: Monitors battery voltage and prevents over-voltage conditions. 3. Temperature Compensation: Adjusts the charging based on battery temperature. 4. Input Power Management: Manages power from the wall adapter or USB source while preventing damage from over-current. 5. Status Indication: Provides status feedback via LED drivers or GPIO. Applications - Portable medical devices - Smartphones and tablets - Wearable devices - Laptop battery management - Power tools Alternative Parts 1. BQ24195: A similar Li-ion battery charger with USB charging capabilities. 2. BQ24171: Another option that includes power path management for charging and system load. 3. BQ24075: A lower feature set device suitable for basic battery charging requirements. Embedded Modules - The BQ24450DW can be integrated into various development kits from Texas Instruments, such as the BQ24450EVM-001, which allows for rapid prototyping and evaluation of the device's performance in real applications. - TI’s MSP430 microcontroller family can be used in conjunction with the BQ24450 for more complex applications requiring processing power in battery management systems. Q&A 1. Q: What is the primary function of the BQ24450DW? A: The BQ24450DW is primarily designed as a Li-ion battery charger controller, providing constant current and constant voltage charging while ensuring safe battery management. 2. Q: What kind of devices can utilize the BQ24450DW? A: The BQ24450DW can be found in various applications, including portable medical devices, smartphones, tablets, power tools, and wearable technology. 3. Q: Does the BQ24450DW support temperature compensation during charging? A: Yes, the BQ24450DW includes features for temperature compensation to optimize the charging process based on the battery's temperature. 4. Q: Are there alternative parts to the BQ24450DW that provide similar functionality? A: Yes, alternatives like the BQ24195 and BQ24171 provide similar battery charging functionalities with additional features like power path management. 5. Q: How can I evaluate the performance of the BQ24450DW? A: You can use the BQ24450EVM-001 evaluation module from Texas Instruments, which allows you to prototype and evaluate the charging performance in your application.