Battery Cell Balancers

Analog Devices battery cell balancer portfolio includes fault-protected controller ICs for transformer-based, bidirectional active balancing of multicell battery stacks, as well as monolithic flyback dc-to-dc converters designed to actively balance high voltage stacks of batteries. Our devices include unique, level-shifting SPI-compatible serial interfaces, with active balancing that allows for capacitive recovery in stacks of mismatched batteries—a feat unattainable with passive balance systems.
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Battery Cell Balancers

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SortOrderPart#Number of CellsVin RangeBidirectionalMax Charge Current
(typ)
(A)
InterfaceCommentsTemp RangeUS Price 1000 to 4999
($ US)
1LTC3305 Four 12V Lead Acid Up to 64V Uni-directional 10 Stand Alone Lead Acid Battery Balancer -40 to 125°C $6.95 (LTC3305EFE#PBF)
2LTC3300-2 2 to 6 Li-Ion/LiFePO4 Up to 36V Bi-directional 10 1MHz, Individually Addressable, SPI-Compatible Addressable High Efficiency Bidirectional Multicell Battery Balancer -40 to 150°C $5.95 (LTC3300IUK-2#PBF)
3LTC3300-1 2 to 6 Li-Ion/LiFePO4 Up to 36V Bi-directional 10 1MHz, Level-Shifting, Daisy-Chainable, SPI-Compati High Efficiency Bidirectional Multicell Battery Balancer -40 to 150°C $5.95 (LTC3300IUK-1#PBF)
4LT8584 1 Li-Ion/LiFePO4 Up to 7.5V (switching) Uni-directional 2.5 Serial, Connects to LTC6802/3 2.5A Monolithic Active Cell Balancer with Telemetry Interface -40 to 150°C $2.95 (LT8584EFE#PBF)