BQ27350PWR

The BQ27350PWR is a highly integrated battery fuel gauge IC from Texas Instruments, designed specifically for lithium-ion and lithium-polymer battery applications. This device is part of the BQ273xx family of battery management solutions and is particularly suited for portable electronics, such as smartphones, tablets, and other battery-operated devices.

Key Features:

1. Battery Monitoring: The BQ27350 provides accurate state-of-charge (SOC) and state-of-health (SOH) monitoring, enabling devices to display precise battery levels and health status to users.

2. Impedance Track Technology: This technology allows the BQ27350 to measure the internal resistance of the battery, which helps in estimating the remaining capacity more accurately, especially under varying load conditions.

3. Communication Interface: The device supports I2C communication, allowing it to interface easily with microcontrollers and other digital systems. This enables real-time data exchange and control.

4. Low Power Consumption: The BQ27350 is designed for low power operation, making it ideal for battery-powered applications where energy efficiency is critical.

5. Configurable Parameters: Users can configure various parameters through the I2C interface, allowing for customization based on specific battery chemistry and application requirements.

6. Temperature Compensation: The IC includes temperature compensation features to ensure accurate readings across a wide range of operating temperatures, enhancing reliability in diverse environments.

7. Integrated Protection Features: The BQ27350 includes built-in safety features to protect against over-voltage, under-voltage, and over-current conditions, which helps prolong battery life and prevent damage.

8. Small Package Size: The device is available in a compact VQFN (Very Thin Quad Flat No-lead) package, which is suitable for space-constrained applications.

Applications:

• Consumer Electronics: Ideal for smartphones, tablets, and wearable devices where accurate battery monitoring is essential.
• Medical Devices: Used in portable medical equipment that requires reliable battery management.
• IoT Devices: Suitable for Internet of Things applications where battery life and efficiency are critical.

Technical Specifications:

• Operating Voltage: Typically operates within a range suitable for lithium-ion batteries.
• Temperature Range: Designed to function effectively in a wide temperature range, ensuring performance in various environmental conditions.
• Accuracy: High accuracy in SOC estimation, which is crucial for user experience in battery-operated devices.

In summary, the BQ27350PWR from Texas Instruments is a versatile and efficient battery fuel gauge IC that provides essential monitoring and management features for lithium-based batteries, making it a valuable component in modern electronic devices.