Overview
The BQ2018SN-E1TR is a sophisticated battery fuel gauge integrated circuit (IC) manufactured by Texas Instruments. Designed for portable and battery-powered applications, this IC provides accurate monitoring and reporting of battery capacity, voltage, and temperature. It is particularly suited for use in consumer electronics, medical devices, and industrial equipment where precise battery management is critical. The BQ2018SN-E1TR stands out for its low power consumption, high accuracy, and robust performance, making it a competitive choice for developers seeking reliable battery management solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 5.5 | V | Operating range |
| Current Consumption | 15 | µA | Typical |
| Temperature Range | -40 to +85 | °C | Operating |
| Communication Interface | HDQ | - | Single-wire |
| Accuracy | ±1 | % | Capacity measurement |
| Package | SOIC-8 | - | Surface mount |
| Storage Capacity | 256 | bytes | Non-volatile memory |
Key Features
- Accurate battery capacity monitoring with ±1% precision.
- Low power consumption for extended battery life.
- Single-wire HDQ communication interface for simplified integration.
- Wide operating temperature range for versatile applications.
- Integrated non-volatile memory for data retention.
Applications
The BQ2018SN-E1TR is widely used in portable electronics such as smartphones, tablets, and laptops, where precise battery management is essential. It is also employed in medical devices like portable monitors and infusion pumps, ensuring reliable operation in critical scenarios. Additionally, the IC finds applications in industrial equipment, including handheld tools and wireless sensors, where robust performance and long battery life are paramount. Its versatility and accuracy make it a preferred choice for developers across various industries.
Q & A
1. What is the operating voltage range of the BQ2018SN-E1TR?
The operating voltage range is 2.7V to 5.5V.
2. How accurate is the battery capacity measurement?
The accuracy is ±1% for capacity measurement.
3. What communication interface does it use?
It uses a single-wire HDQ communication interface.
4. What is the typical current consumption?
The typical current consumption is 15µA.
5. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
6. What package does the BQ2018SN-E1TR come in?
It comes in an SOIC-8 surface mount package.
7. Does it have non-volatile memory?
Yes, it includes 256 bytes of non-volatile memory.
8. Is it suitable for medical devices?
Yes, it is suitable for medical devices due to its precision and reliability.
9. Can it be used in industrial equipment?
Yes, it is ideal for industrial equipment requiring robust performance.
10. What are its key features?
Key features include accurate capacity monitoring, low power consumption, and a single-wire HDQ interface.
