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LT8584 Datasheet 2.5A Monolithic Active Cell Balancer

Manufacturer: Linear Technology (now Analog Devices)

Overview: LT8584 2.5A Monolithic Active Cell Balancer with Telemetry Interface.

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General Description

n 2.5A Typical Average Cell Discharge Current n Integrated 6A, 50V Power Switch n Integrates Seamlessly with LTC680x Family: No Additional Software Required n Selectable Current and Temperature Monitors n Ultralow Quiescent Current in Shutdown n Engineered for ISO 26262 Compliant Systems n Isolated Balancing: n Can Return Charge to Top of Stack n Can Return Charge to Any Combination of Cells in Stack n Can Return Charge to 12V Battery for Alternator Replacement n Can Be Paralleled for Greater Discharge Capability n All Quiescent Current in Operation Taken from Local Cell n 16-Lead TSSOP Package Applications n Active Battery Stack Balancing n Electric and Hybrid Electric Vehicles n Fail-Safe Power Supplies n Energy Storage Systems The LT®8584 is a monolithic flyback DC/DC converter designed to actively balance high voltage stacks of batteries.

The high efficiency of a switching regulator significantly increases the achievable balancing current while reducing heat generation.

Active balancing also allows for capacity recovery in stacks of mismatched batteries, a feat unattainable with passive balance systems.

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