Overview
The BQ294700DSGT is a highly integrated, battery protection IC manufactured by Texas Instruments. Designed for use in battery management systems, this IC ensures safe and reliable operation of lithium-ion and lithium-polymer battery packs. Its primary market includes portable electronics, power tools, and other applications requiring robust battery protection. The BQ294700DSGT stands out for its precise voltage monitoring, low power consumption, and compact form factor, making it a competitive choice for modern battery-powered devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 5.5 | V | |
| Overvoltage Threshold | 4.35 | V | Adjustable |
| Undervoltage Threshold | 2.5 | V | Adjustable |
| Quiescent Current | 1.5 | µA | Typical |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | WSON-8 | Compact form factor |
Key Features
- Precise overvoltage and undervoltage protection for battery safety.
- Low quiescent current for extended battery life.
- Adjustable voltage thresholds for flexibility in design.
- Compact WSON-8 package for space-constrained applications.
- Wide operating temperature range for robust performance.
Applications
The BQ294700DSGT is widely used in portable electronics such as smartphones, tablets, and laptops, where battery safety is critical. It is also employed in power tools and electric vehicles to ensure reliable battery operation. Additionally, its compact size and low power consumption make it suitable for wearable devices and IoT applications.
Q & A
1. What is the primary function of the BQ294700DSGT?
The BQ294700DSGT provides overvoltage and undervoltage protection for lithium-ion and lithium-polymer battery packs.
2. Can the voltage thresholds be adjusted?
Yes, the overvoltage and undervoltage thresholds are adjustable to suit specific application requirements.
3. What is the quiescent current of the IC?
The typical quiescent current is 1.5 µA, ensuring minimal power consumption.
4. What is the operating temperature range?
The IC operates reliably within a temperature range of -40°C to 85°C.
5. What package does the BQ294700DSGT use?
It is available in a compact WSON-8 package.
6. Is this IC suitable for portable electronics?
Yes, it is ideal for portable electronics due to its low power consumption and compact size.
7. Can it be used in electric vehicles?
Yes, it is suitable for electric vehicles to ensure battery safety and reliability.
8. What is the input voltage range?
The input voltage range is 2.5V to 5.5V.
9. Does it support lithium-polymer batteries?
Yes, it supports both lithium-ion and lithium-polymer batteries.
10. Is the IC suitable for IoT applications?
Yes, its low power consumption and compact size make it ideal for IoT devices.
