Overview
The Texas Instruments BQ28Z610 is a highly integrated battery management solution designed for 1-series to 2-series cell Li-ion and Li-polymer battery packs. This device combines advanced gas gauging, protection, and autonomous charger control, making it a comprehensive solution for battery management. It features a flash programmable custom reduced instruction-set CPU (RISC), ultra-low-power operation, and high-accuracy analog measurement capabilities. The BQ28Z610 also includes integrated flash memory, an array of peripheral and communication ports, and safety protection mechanisms such as overcurrent, short circuit, and overtemperature protection.
Key Specifications
| Parameter | Description | Typical Value | Min/Max Value |
|---|---|---|---|
| Package Type | DRZ (12-pin SON) | - | - |
| Operating Temperature | -40°C to 85°C | - | - |
| Supply Voltage (VCC) | 2.2 V to 7.6 V | 7.2 V | 2.2 V / 7.6 V |
| Input Leakage Current (ILKG) | - | 1 µA | - |
| Power-On Reset Time (tRST) | - | 300 µs | 200 µs / 400 µs |
| Internal 1.8-V LDO Voltage | - | 1.55 V | 1.51 V / 1.59 V |
| Thermal Resistance (RθJA) | - | 186.4 °C/W | - |
Key Features
- Highly integrated gas gauge and protection solution for 1-series to 2-series cell Li-ion and Li-polymer battery packs.
- Autonomous charger control through Master Mode I2C broadcasts of charging current and voltage information.
- Flash programmable custom RISC CPU for customizable operation.
- Ultra-low-power and high-speed operation with the TI BQBMP processor.
- High-accuracy analog measurement capabilities.
- Integrated flash memory and array of peripheral and communication ports.
- Safety protection mechanisms including overcurrent, short circuit, and overtemperature protection.
- SHA-1 Authentication transform responder for secure operation.
- Cell balancing and internal AFE watchdog.
Applications
- Battery management systems for portable electronics.
- Wireless devices such as Bluetooth speakers and headphones.
- Power tools and other battery-powered equipment.
- Automotive and industrial battery management systems.
- Any application requiring accurate battery state-of-charge monitoring and protection.
Q & A
- What is the BQ28Z610 used for?
The BQ28Z610 is used as a highly integrated battery management solution for 1-series to 2-series cell Li-ion and Li-polymer battery packs. - What are the key features of the BQ28Z610?
The key features include autonomous charger control, flash programmable RISC CPU, ultra-low-power operation, high-accuracy analog measurements, and integrated safety protection mechanisms. - What is the operating temperature range of the BQ28Z610?
The operating temperature range is -40°C to 85°C. - What is the supply voltage range for the BQ28Z610?
The supply voltage range is 2.2 V to 7.6 V. - Does the BQ28Z610 support cell balancing?
Yes, the BQ28Z610 supports cell balancing. - What communication interface does the BQ28Z610 use?
The BQ28Z610 communicates through an I2C compatible interface. - What safety protections are included in the BQ28Z610?
The device includes protections against overcurrent, short circuit, overtemperature, and other safety mechanisms. - Is the BQ28Z610 secure?
Yes, it includes a SHA-1 Authentication transform responder for secure operation. - What tools are available for evaluating and configuring the BQ28Z610?
The Battery Management Studio (bqStudio) software is available for evaluating, designing, configuring, and testing the BQ28Z610. - What is the typical power-on reset time for the BQ28Z610?
The typical power-on reset time is 300 µs.
