Overview
The BQ28Z610DRZT-R1, produced by Texas Instruments, is a highly integrated and precise battery fuel gauge and protection solution designed for 1-2 series Li-Ion and Li-Polymer battery packs. This device is particularly suitable for applications requiring autonomous charger control and cell balancing, making it a versatile choice for modern battery management systems. Its compact VSON-12 package and advanced features position it as a competitive solution in the market, targeting industries such as consumer electronics, portable devices, and industrial equipment.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Series Cells | 1-2 | Supports Li-Ion/Li-Polymer | |
| Communication Interface | I2C | 400kHz | |
| Battery Capacity Range | 100 - 14000 | mAh | |
| Operating Temperature | -40 to 85 | °C | |
| Cell Balancing | External, Internal | Optimizes battery health | |
| Protection Features | Overvoltage, Undervoltage, Overcurrent, Short Circuit | Programmable | |
| Package | VSON-12 | Compact design | |
| Dimensions | 4.00 x 2.50 | mm | |
| Height | 0.88 | mm |
Key Features
- Autonomous charger control via I2C interface.
- Integrated cell balancing for optimized battery health.
- High-side protection N-channel FET driver.
- Programmable protection for voltage, current, and temperature.
- Dual independent ADCs for synchronous current and voltage sampling.
- High-precision coulomb counter with input offset error < 1μV.
- Supports current sense resistors as low as 1mΩ.
- SHA-1 authentication for enhanced battery pack security.
Applications
The BQ28Z610DRZT-R1 is widely used in various applications, including:
- Consumer Electronics: Smartphones, tablets, and portable audio devices.
- Portable Health Devices: Wearable health monitors and medical devices.
- Industrial Equipment: Power tools and backup power systems.
- Automotive Electronics: Battery management systems for electric vehicles.
Its advanced features ensure efficient and safe battery management, making it a reliable choice for these applications.
Q & A
1. What is the primary function of the BQ28Z610DRZT-R1?
The BQ28Z610DRZT-R1 is a battery fuel gauge and protection solution designed for 1-2 series Li-Ion and Li-Polymer battery packs, offering autonomous charger control and cell balancing.
2. What communication interface does the BQ28Z610DRZT-R1 use?
It uses a 400kHz I2C interface for communication.
3. What is the operating temperature range of the BQ28Z610DRZT-R1?
The device operates within a temperature range of -40°C to 85°C.
4. Does the BQ28Z610DRZT-R1 support cell balancing?
Yes, it supports both external and internal cell balancing to optimize battery health.
5. What protection features are available in the BQ28Z610DRZT-R1?
It includes programmable protection for overvoltage, undervoltage, overcurrent, and short circuit conditions.
6. What is the package type of the BQ28Z610DRZT-R1?
It comes in a compact VSON-12 package.
7. What is the maximum battery capacity supported by the BQ28Z610DRZT-R1?
It supports battery capacities up to 14000mAh.
8. Does the BQ28Z610DRZT-R1 support SHA-1 authentication?
Yes, it includes SHA-1 authentication for enhanced battery pack security.
9. What is the typical input offset error of the coulomb counter?
The input offset error is typically less than 1μV.
10. What are the dimensions of the BQ28Z610DRZT-R1?
The device measures 4.00 x 2.50mm with a height of 0.88mm.
