LTC3300ILXE-2#WPBF

LTC3300-2 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. Each device can balance upto 6 series-connected battery cells with an input common mode voltage upto 36V. Fault protection features include readback capability, cyclic redundancy check (CRC) error detection, maximum on-time volt-second clamps, and overvoltage shutoffs. It is used in application such as electric vehicles/plug-in HEVs, high power UPS/grid energy storage systems, general purpose multicell battery stacks etc.

• Bidirectional synchronous flyback balancing of upto 6 Li-Ion or LiFePO4 cells in series
• Bidirectional architecture minimizes balancing time and power dissipation
• Individually addressable with 5bit address
• Numerous fault protection features
• 1MHz serial interface with 4bit CRC packet error checking
• Upto 92% charge transfer efficiency
• Stackable architecture enables 800V systems
• Operating temperature is -40°C to 125°C, qualified for automotive application
• Package style is 48-lead plastic eLQFP

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