The BQ294711DSGR is a high-precision battery protection device designed by Texas Instruments, a leader in semiconductor solutions. This advanced integrated circuit (IC) is specifically engineered to safeguard single-cell lithium-ion or lithium-polymer batteries from failures due to overcharging, a critical requirement for maintaining battery health and safety in portable electronic devices.
Key Features
- Voltage Protection: The BQ294711DSGR offers precise overvoltage protection that can be programmed via an external resistor divider. This ensures that the battery voltage does not exceed a safe threshold, thus preventing potential damage and extending the battery's lifespan.
- High Accuracy: With a high accuracy threshold of ±25 mV, this device ensures reliable and consistent protection for sensitive battery cells, minimizing the risk of overvoltage that could lead to overheating or even thermal runaway.
- Low Power Consumption: Designed for battery-powered applications, the BQ294711DSGR consumes minimal power, which is crucial for maximizing the efficiency and duration of battery life in portable devices.
- Compact Package: The device comes in a small 6-pin SOT (DSG) package, making it suitable for space-constrained applications without compromising performance.
Applications
The BQ294711DSGR is versatile and can be used in a variety of applications where single-cell lithium-ion or lithium-polymer battery protection is required. These include:
- Smartphones and Tablets
- Portable Media Players
- Digital Cameras
- Wearable Electronics
- Bluetooth Headsets and Accessories
- Other Portable Equipment
Product Specifications
Parameter
Value
Overvoltage Protection Threshold
Programmable via external resistor
Accuracy
±25 mV
Operating Temperature Range
-40°C to +85°C
Package Type
6-pin SOT (DSG)
With its robust protection features and Texas Instruments' reputation for reliability, the BQ294711DSGR is an excellent choice for engineers and designers looking to incorporate safe battery management into their products.