Overview
The BQ7791500PWR is a battery management integrated circuit (IC) produced by Texas Instruments, designed to provide protection for multi-cell battery packs. This IC is part of TI's extensive portfolio of battery management solutions, targeting applications that require reliable and efficient battery operation. The BQ7791500PWR is particularly suited for use in industrial, automotive, and consumer electronics, where battery safety and longevity are critical. Its market positioning is aimed at engineers and designers who need a robust, low-power solution for battery protection without the complexity of microcontroller (MCU) control.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3.0 to 20 | V | Supports multi-cell battery configurations |
| Quiescent Current | 8 | μA | Typical value, ensures low power consumption |
| Operating Temperature | -40 to 85 | °C | Suitable for harsh environments |
| Protection Features | Overvoltage, Undervoltage, Overcurrent, Overtemperature | - | Comprehensive protection for battery safety |
| Package Type | TSSOP | - | Compact form factor for space-constrained applications |
Key Features
- Integrated protection for multi-cell battery packs, ensuring safety and reliability.
- Ultra-low quiescent current of 8 μA typical, ideal for power-sensitive applications.
- Factory-programmed protection thresholds and delays, simplifying design and implementation.
- Stackable interface for easy scalability from 3 to 20 or more series cells.
- Separate temperature thresholds for charging and discharging, providing flexible thermal management.
Applications
The BQ7791500PWR is widely used in various industries due to its robust battery protection capabilities. In industrial applications, it is employed in backup power systems and portable equipment. In the automotive sector, it ensures the safety and longevity of battery packs in electric vehicles (EVs) and hybrid electric vehicles (HEVs). Additionally, it is utilized in consumer electronics such as power tools, e-bikes, and medical devices, where reliable battery operation is essential. Its ability to support multi-cell configurations makes it a versatile choice for diverse battery-powered systems.
Q & A
What is the operating voltage range of the BQ7791500PWR?
The BQ7791500PWR operates within a voltage range of 3.0 to 20 volts, supporting multi-cell battery configurations.
How does the BQ7791500PWR ensure low power consumption?
It features an ultra-low quiescent current of 8 μA typical, minimizing power drain during standby or idle states.
What protection features does the BQ7791500PWR offer?
It provides overvoltage, undervoltage, overcurrent, and overtemperature protection to ensure battery safety.
Can the BQ7791500PWR be used in automotive applications?
Yes, it is suitable for automotive applications, particularly in electric and hybrid vehicles, where battery safety is critical.
What is the package type of the BQ7791500PWR?
It is available in a TSSOP package, which is compact and suitable for space-constrained designs.
How does the BQ7791500PWR handle thermal management?
It includes separate temperature thresholds for charging and discharging, allowing flexible thermal management.
Is the BQ7791500PWR scalable for larger battery packs?
Yes, its stackable interface supports configurations from 3 to 20 or more series cells.
What is the typical quiescent current of the BQ7791500PWR?
The typical quiescent current is 8 μA, ensuring minimal power consumption.
What industries benefit from the BQ7791500PWR?
Industries such as industrial, automotive, and consumer electronics benefit from its robust battery protection features.
Does the BQ7791500PWR require a microcontroller for operation?
No, it operates independently without the need for a microcontroller, simplifying the design process.
