Nisshinbo NB7400GH 2-/4-Serial Cell Battery Protection IC

Introduction

The Nisshinbo NB7400GH is a highly reliable battery protection integrated circuit (IC) designed for 2-cell or 4-cell lithium-ion and lithium-polymer battery packs. This component is essential for ensuring the safe operation of battery systems by providing comprehensive protection features.

Part Description

The Nisshinbo NB7400GH offers a range of protective functionalities, including overcharge, overdischarge, overcurrent, and short-circuit detection. It is equipped with high-accuracy voltage detection circuits and a shutdown detection circuit that minimizes supply current during standby. With a typical supply current of just 2.5µA during normal operation and a maximum of 0.2µA in shutdown mode, this IC is optimized for low power consumption. The device operates effectively across a wide temperature range of -40°C to +85°C, making it suitable for demanding environments. The compact DFN(PL)2020-8-GH package measures just 2.0mm x 2.0mm x 0.6mm, allowing for easy integration into various applications.

Applications

• Power tools (e.g., cordless drills, saws)
• Electric bicycles (e-bikes)
• Electric scooters
• Portable energy storage systems
• Uninterruptible power supply (UPS) units
• Medical equipment with rechargeable battery packs
• Industrial and commercial battery packs
• Home appliances utilizing multi-cell lithium-ion batteries

Industries

• Consumer Electronics
• Automotive
• Renewable Energy
• Medical Devices
• Industrial Automation
• Telecommunications

Usage Ideas

1. Electric Bicycle Battery Management: Design a battery management system for an electric bicycle that utilizes the NB7400GH to ensure safe charging and discharging of the lithium-ion battery pack.
2. Portable Power Tool Protection: Create a prototype for a cordless power tool that integrates the NB7400GH to protect the battery from overcharge and overdischarge, enhancing the tool's longevity and safety.
3. Home Energy Storage System: Develop a home energy storage solution that employs the NB7400GH for managing a multi-cell lithium-ion battery pack, ensuring reliable performance and safety during energy storage and usage.

Conclusion

The Nisshinbo NB7400GH 2-/4-Serial Cell Battery Protection IC is an essential component for any application involving lithium-ion or lithium-polymer battery packs. With its robust protection features, low power consumption, and wide operating temperature range, it is ideal for a variety of industries and applications. Whether in consumer electronics, automotive, or renewable energy sectors, the NB7400GH ensures safe and efficient battery operation, making it a valuable addition to any battery-powered device.