The LTC6800HED from Linear Technology is a sophisticated monitoring solution designed for high voltage battery stacks, commonly used in electric vehicles, energy storage systems, and other applications requiring precise voltage monitoring. This integrated circuit allows for the simultaneous measurement of up to 12 series-connected battery cells with a total measurement error of less than 1.2mV.

Key Features:

• Precision Monitoring: Ensures accurate voltage measurements for each cell, with a total measurement error under 1.2mV, which is crucial for the longevity and efficiency of high voltage battery systems.
• High Voltage Capability: Capable of monitoring battery stacks with voltages up to 1000V, making it versatile for a wide range of applications.
• Multiplexed Design: The LTC6800HED can monitor up to 12 cells connected in series, which simplifies the design and reduces the complexity of the battery management system.
• Robust Communication: Features a reliable 1Mbps differential serial interface for noise-immune communication, ensuring data integrity in electrically noisy environments.
• Daisy Chain Capability: Multiple LTC6800HED devices can be connected in a daisy chain configuration for systems with more than 12 cells, allowing for scalability in battery monitoring applications.
• Integrated Fault Detection: Includes overvoltage, undervoltage, and overtemperature detection, which helps to protect the battery stack from unsafe operating conditions.

Applications:

• Electric Vehicles (EVs)
• Hybrid Electric Vehicles (HEVs)
• Backup Power Systems
• Grid Energy Storage
• Uninterruptible Power Supplies (UPS)

The LTC6800HED is housed in a compact, thermally enhanced 44-lead plastic SSOP package, ensuring reliable operation even in environments with high thermal demands. With its advanced features and robust design, the LTC6800HED is an ideal choice for engineers looking to improve the safety, efficiency, and reliability of their high voltage battery systems.