LTC6812HLWE-1 | 12-Cell Battery Monitor IC | Automotive BMS

Product Overview

     The LTC6812HLWE-1_3ZZTRPBF is a high-accuracy multicell battery monitoring IC designed to measure up to 12 series-connected battery cells with industry-leading precision and robustness. It is part of Analog Devices’ proven LTC68xx family, widely used in automotive battery management systems (BMS) and high-reliability energy storage applications. The device features simultaneous cell voltage measurements, robust EMI immunity, and support for daisy-chain communication, enabling scalable battery stack monitoring in electric vehicles, ESS, and industrial power systems.

Key Features

• Monitors up to 12 series-connected battery cells
• High measurement accuracy and low noise
• Simultaneous cell voltage measurement
• Integrated cell balancing control
• Robust EMI immunity for automotive environments
• Daisy-chain communication for scalable BMS architectures
• Supports isolated and non-isolated system designs
• Designed for high-voltage battery stacks
• Automotive and industrial temperature range
• AEC-Q100 qualified (H-grade)
• Compact LQFP (LWE) package
• Tape & Reel packaging (TRPBF)
• RoHS compliant

Applications

• Electric vehicle (EV) battery management systems
• Hybrid electric vehicle (HEV) battery packs
• Energy storage systems (ESS)
• Industrial battery backup and UPS systems
• High-voltage lithium-ion battery packs
• Grid-scale and renewable energy storage

Electrical Summary