BQ27350PWRG4

The BQ27350PWRG4 is a highly integrated battery fuel gauge IC (integrated circuit) designed by Texas Instruments. It is specifically tailored for lithium-ion and lithium-polymer battery applications, providing accurate state-of-charge (SOC) and state-of-health (SOH) measurements.

Key Features:

1. Battery Monitoring: The BQ27350 utilizes advanced algorithms to monitor the battery's voltage, current, and temperature, ensuring precise SOC calculations. This helps in optimizing battery performance and longevity.

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

3. Impedance Track Technology: The BQ27350 employs Texas Instruments' Impedance Track technology, which enhances the accuracy of SOC calculations by taking into account the battery's internal resistance and temperature variations.

4. Low Power Consumption: Designed for efficiency, the BQ27350 operates with low power consumption, making it suitable for portable and battery-operated devices. It features various power-saving modes to extend battery life.

5. Programmable Parameters: The IC allows for customization through programmable parameters, enabling designers to tailor the fuel gauge to specific battery chemistries and applications.

6. Protection Features: The BQ27350 includes built-in safety features to protect against over-voltage, under-voltage, and over-temperature conditions, ensuring safe operation of the battery system.

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

Applications:

The BQ27350PWRG4 is suitable for a wide range of applications, including:

• Smartphones and tablets
• Wearable devices
• Portable medical equipment
• Power tools
• Electric vehicles and e-bikes

Electrical Characteristics:

• Operating Voltage: Typically operates within a voltage range suitable for lithium-ion batteries.
• Temperature Range: Designed to function effectively across a wide temperature range, accommodating various environmental conditions.

Conclusion:

The BQ27350PWRG4 from Texas Instruments is a versatile and efficient battery fuel gauge IC that provides accurate monitoring and management of lithium-based batteries. Its advanced features, low power consumption, and compact design make it an excellent choice for modern electronic devices requiring reliable battery performance.