LTC6811HG-1#PBF

Overview

The LTC6811HG-1#PBF is a multi-cell battery stack monitor manufactured by Analog Devices Inc. It operates within a supply voltage range of 11 V to 55 V and provides an output voltage of 5.7 V. The device is housed in a 48-pin SSOP package designed for surface mount installation. It functions as a battery management IC capable of monitoring multiple series-connected cells. The component supports an operating temperature range from -40 C to +125 C with a typical operating supply current of 550 uA.

Feature Summary

• Integrates isoSPI isolated serial interface for robust communication
• Supports daisy-chain architecture for scalable battery stack monitoring
• Designed for high-reliability industrial battery management applications

Applications

• Industrial battery management systems
• Electric vehicle battery stacks
• Uninterruptible power supply units

Procurement Notes

Verify the specific suffix HG-1 against official Analog Devices documentation to confirm exact pinout, thermal characteristics, and automotive qualification status. Ensure the SSOP-48 footprint matches the target PCB layout. Confirm RoHS compliance details directly from the manufacturer's datasheet before finalizing procurement specifications.

Selection Notes

Select this component when designing systems requiring precise monitoring of large series cell counts. The integrated isoSPI interface eliminates the need for external isolation components, reducing board complexity. Verify that the 11 V to 55 V input range aligns with the specific battery stack voltage requirements of the target application.

Part Context

This part belongs to the LTC6811 family of addressable isoSPI battery-stack monitors. It is engineered for applications demanding high accuracy and noise immunity in electrically noisy environments. The device simplifies BMS design by combining ADC functionality with isolated communication capabilities in a single package.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic equivalents may lack isoSPI compatibility or specific accuracy metrics.