Product Overview - Texas Instruments BQ78Z100DRZT Battery Fuel Gauge
The Texas Instruments BQ78Z100DRZT is a sophisticated battery fuel gauge device, part of TI's extensive portfolio of energy management integrated circuits. Designed to cater to the needs of single-cell and multi-cell battery packs, this fuel gauge employs TI's patented Impedance Track™ algorithm to deliver high-accuracy readings of remaining battery capacity and system run-time prediction.
Key Features
- Impedance Track Technology: Offers high-accuracy state-of-charge (SOC) estimation, even under varying load conditions and temperatures, without the need for regular full discharge cycles.
- Multi-Cell Support: Capable of managing single-cell Li-Ion batteries as well as series-connected battery packs, making it versatile for various applications.
- Data Communication: Utilizes an I2C interface for communication, allowing seamless integration with microcontrollers and processors.
- Low Power Consumption: Designed for energy efficiency, it helps in prolonging the battery life of the application it is used in.
- Configurable Settings: Offers a range of adjustable parameters for calibration and customization to specific battery chemistries and applications.
Applications
The BQ78Z100DRZT is ideal for a wide range of portable devices where accurate fuel gauging is critical. It is commonly used in:
- Smartphones and tablets
- Portable medical devices
- Handheld industrial equipment
- Uninterruptible power supplies (UPS)
- Electric and hybrid electric vehicles
Technical Specifications
| Parameter |
Value |
| Battery Type |
Li-Ion, Li-Polymer |
| Number of Series Cells |
1 to multi-cell |
| Communication Interface |
I2C |
| Operating Temperature Range |
-40°C to +85°C |
With its advanced features and reliable performance, the Texas Instruments BQ78Z100DRZT battery fuel gauge is an essential component for power management in modern battery-powered devices, ensuring optimal usage and extending the lifespan of the battery.