The AD7284WBSWZ-RL, manufactured by Analog Devices Inc., is a high-precision, multifunctional battery monitoring system specifically designed for use in lithium-ion battery packs. This integrated circuit (IC) is a critical component for applications that require reliable battery management, such as electric vehicles, energy storage systems, and portable electronics.

Key Features

• High Accuracy: The AD7284WBSWZ-RL provides precise measurements of cell voltages, ensuring optimal battery performance and longevity.
• Multiple Channel Monitoring: It is capable of monitoring up to eight lithium-ion cells in series, making it versatile for various battery configurations.
• Integrated Diagnostics: The device includes self-test capabilities that enhance the safety and reliability of the battery system.
• Robust Communication: A robust daisy-chainable serial peripheral interface (SPI) allows for reliable communication even in harsh environments.
• Temperature Measurement: The IC integrates temperature sensors to monitor the battery pack's thermal conditions, which is vital for maintaining safe operation.

Technical Specifications

• Operating Voltage Range: 6 V to 30 V
• Cell Voltage Measurement Range: 0 V to 5 V with ±5 mV accuracy
• Operating Temperature Range: -40°C to +105°C
• Packaging: 64-lead LQFP

Applications

The AD7284WBSWZ-RL is suitable for a wide array of applications that demand precise battery management and monitoring, including but not limited to:

• Electric and Hybrid Electric Vehicles (EV/HEV)
• Energy Storage Systems (ESS)
• Uninterruptible Power Supplies (UPS)
• Portable Power Tools
• Medical Devices

Ordering Information

The product is available in a tape and reel format, denoted by the 'RL' suffix in the part number, facilitating its use in high-volume manufacturing environments. For detailed ordering information and to request samples, please visit the Analog Devices Inc. website or contact an authorized distributor.