Texas Instruments BQ24195LRGER

of the BQ24195LRGER The Texas Instruments BQ24195LRGER is a highly integrated lithium-ion battery charge management IC. It provides versatile charging options and is designed to optimize battery performance in portable devices. The chip supports various charging modes, including USB and wall adapter power sources, and incorporates advanced features to ensure safe and efficient charging. Functions 1. Battery Charging: The BQ24195 supports multiple charging method standards (such as USB and AC adapter), allowing it to deliver efficient charging based on the power source. 2. Power Path Management: This IC has the capability to manage power flow between the battery and the system load, ensuring that the device operates efficiently. 3. Thermal Regulation: It incorporates temperature monitoring to regulate charge current and prevent overheating. 4. Protection Features: The IC includes features to guard against over-voltage, over-current, and undervoltage conditions. 5. Programmable Charge Parameters: Charge voltage, current, and other parameters can be programmed to meet specific application needs. Applications - Mobile phones - Tablets - Wearable devices - Portable medical devices - Consumer electronics requiring lithium-ion battery management Alternative Parts 1. BQ24194: Similar functionalities with different output current specifications. 2. BQ24193: A differentiated version focused on lower power applications. 3. BQ24295: Compact solution for USB battery charging with power path management. Embedded Modules Texas Instruments also provides evaluation modules and development kits that include the BQ24195LRGER for rapid prototyping and design validation. Examples include: - BQ24195EVM: An Evaluation Module to test and interface with BQ24195. - Custom design reference kits that use BQ24195 for specific application needs. Related Q&A Q1: What is the maximum output current that the BQ24195LRGER can deliver for charging a battery? Answer: The BQ24195LRGER can deliver up to 3A of charging current, depending on the configuration and power source used. Q2: How does the BQ24195LRGER manage power input from different sources like USB and wall adapters? Answer: The BQ24195LRGER features power path management, which allows it to automatically select the input source with the highest priority. It optimizes charging by utilizing the available input power from either the USB or wall adapter based on available current. Q3: What types of batteries can the BQ24195LRGER charge? Answer: The BQ24195LRGER is designed to charge lithium-ion and lithium-polymer batteries efficiently, making it suitable for a wide range of applications in portable electronics. Q4: Can the BQ24195LRGER be used for applications that require simultaneous charging and powering the device? Answer: Yes, the BQ24195LRGER supports power path management, allowing the device to be powered while the battery is being charged simultaneously. Q5: Are there any protection features in the BQ24195LRGER? Answer: Yes, the BQ24195LRGER includes multiple protection features such as over-voltage protection, over-current protection, and thermal regulation to prevent overheating during charging.