Overview
The BQ27425YZFR-G2A is a highly efficient fuel gauge solution developed by Texas Instruments, designed for single-cell Li-Ion and Li-Polymer battery packs. This electronic component is part of the BQ2742x family, which is widely recognized for its precision and reliability in battery management systems. The BQ27425YZFR-G2A is specifically tailored for portable and low-power applications, offering a compact and cost-effective solution for accurately monitoring battery state-of-charge (SOC), voltage, current, and temperature. Its market positioning targets consumer electronics, medical devices, and industrial equipment, where accurate battery management is critical. The product stands out for its advanced algorithms, low power consumption, and ease of integration, making it a competitive choice in the battery fuel gauge market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Battery Chemistry | Li-Ion, Li-Polymer | - | Single-cell |
| Operating Voltage | 2.7 to 4.5 | V | - |
| Current Measurement Accuracy | ±1% | - | At 25°C |
| Temperature Measurement Accuracy | ±1°C | - | - |
| Communication Interface | I2C | - | - |
| Package Type | DSBGA | - | 12-pin |
| Operating Temperature Range | -40 to 85 | °C | - |
| Standby Current | 15 | µA | Typical |
Key Features
- Accurate SOC Estimation: Utilizes advanced algorithms to provide precise state-of-charge readings.
- Low Power Consumption: Optimized for energy efficiency, making it ideal for portable devices.
- Integrated Temperature Sensor: Monitors battery temperature to ensure safe operation.
- Compact Design: Small form factor enables easy integration into space-constrained applications.
- I2C Interface: Simplifies communication with host systems.
Applications
The BQ27425YZFR-G2A is widely used in applications requiring accurate battery management. Key fields include:
- Consumer Electronics: Smartphones, tablets, and wearable devices benefit from its compact size and low power consumption.
- Medical Devices: Ensures reliable battery performance in portable medical equipment.
- Industrial Equipment: Provides robust battery monitoring in industrial tools and sensors.
Q & A
1. What is the primary function of the BQ27425YZFR-G2A?
The BQ27425YZFR-G2A is a fuel gauge IC designed to monitor and report the state-of-charge, voltage, current, and temperature of single-cell Li-Ion or Li-Polymer batteries.
2. What battery chemistries does it support?
It supports single-cell Li-Ion and Li-Polymer batteries.
3. What is the operating voltage range?
The operating voltage range is 2.7V to 4.5V.
4. How accurate is the current measurement?
The current measurement accuracy is ±1% at 25°C.
5. What communication interface does it use?
It uses the I2C communication interface.
6. What is the package type?
It comes in a 12-pin DSBGA package.
7. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
8. What is the standby current consumption?
The typical standby current is 15µA.
9. Can it be used in medical devices?
Yes, it is suitable for portable medical devices due to its reliability and accuracy.
10. What makes it competitive in the market?
Its advanced algorithms, low power consumption, and ease of integration make it a competitive choice for battery fuel gauge applications.
