LTC6803IG-3#PBF

Overview

The LTC6803IG-3#PBF is a 12-channel multicell battery stack monitor manufactured by Analog Devices Inc. It operates within a supply voltage range of 4 V to 55 V and features an SSOP-44 surface-mount package. The device provides a regulated 5 V output with a maximum current of 4 mA. It supports operation across a temperature range of -40°C to +85°C and draws a typical operating supply current of 12 µA.

Feature Summary

• Monitors up to 12 series-connected battery cells simultaneously
• Enables passive cell balancing through selectable resistive loading
• Supports daisy-chain communication for monitoring multiple stacked devices

Applications

• Lithium-ion battery pack monitoring
• Electric vehicle traction battery management
• Uninterruptible power supply (UPS) systems
• Energy storage system cell supervision

Procurement Notes

Verify component authenticity through authorized Analog Devices channels or certified distributors. Confirm the specific suffix matches project requirements, as variations exist within the family. Check current availability status due to potential supply constraints. Ensure proper handling procedures are followed for the SSOP-44 package during assembly.

Selection Notes

Select this model when precise monitoring of up to 12 series cells is required. Consider the -40°C to +85°C industrial temperature range for environmental compatibility. Evaluate the need for passive balancing capabilities versus active solutions. Verify that the 4 V to 55 V input range aligns with the target battery stack voltage.

Part Context

This component belongs to the LTC6803 series of battery monitors designed for high-voltage applications. It integrates precision voltage measurement and communication interfaces suitable for industrial and automotive environments. The device facilitates scalable battery management architectures through its daisy-chain capability.

Replacement Considerations

Public confirmed substitute part numbers: LTC6803HG-3#PBF.