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LTC3300-1 - High Efficiency Bidirectional Multicell Battery Balancer

Description

The LTC®3300-1 is a fault-protected controller IC for transformer-based bidirectional active balancing of multicell battery stacks.

All associated gate drive circuitry, precision current sensing, fault detection circuitry and a robust serial interface with built-in watchdog timer are integrated.

Features

  • n Bidirectional Synchronous Flyback Balancing of Up to 6 Li-Ion or LiFePO4 Cells in Series n Up to 10A Balancing Current (Set by Externals) n Integrates Seamlessly with the LTC680x Family of Multicell Battery Stack Monitors n Bidirectional Architecture Minimizes Balancing Time and Power Dissipation n Up to 92% Charge Transfer Efficiency n Stackable Architecture Enables >1000V Systems n Uses Simple 2-Winding Transformers n 1MHz Daisy-Chainable Serial Interface with 4-Bit CRC Packet Error.

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Full PDF Text Transcription

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FEATURES n Bidirectional Synchronous Flyback Balancing of Up to 6 Li-Ion or LiFePO4 Cells in Series n Up to 10A Balancing Current (Set by Externals) n Integrates Seamlessly with the LTC680x Family of Multicell Battery Stack Monitors n Bidirectional Architecture Minimizes Balancing Time and Power Dissipation n Up to 92% Charge Transfer Efficiency n Stackable Architecture Enables >1000V Systems n Uses Simple 2-Winding Transformers n 1MHz Daisy-Chainable Serial Interface with 4-Bit CRC Packet Error Checking n High Noise Margin Serial Communication n Numerous Fault Protection Features n 48-Lead Exposed Pad QFN and LQFP Packages n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n Electric Vehicles/Plug-in HEVs n High Power UPS/Grid Energy Storage Systems n General Pur
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