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LTC7871 Datasheet Synchronous Bidirectional Buck Or Boost Controller

Manufacturer: Analog Devices

Overview: LTC7871 Six-Phase, Synchronous Bidirectional Buck or Boost Controller.

General Description

The LTC®7871 is a high performance bidirectional buck or boost switching regulator controller that operates in either buck or boost mode on demand.

It regulates in buck mode from VHIGH-to-VLOW and boost mode from VLOW-to-VHIGH depending on a control signal, making it ideal for 48V/12V automotive dual battery systems.

An accurate current programming loop regulates the maximum current that can be delivered in either direction.

Key Features

  • n Unique Architecture Allows Dynamic Regulation of Input Voltage, Output Voltage or Current n Operates with External Gate Drivers and MOSFETs n VHIGH Voltages Up to 100V; VLOW Voltages Up to 60V n Synchronous Rectification: Up to 98% Efficiency n ADI-Proprietary Advanced Current Mode Control n ±1% Voltage Regulation Accuracy Overtemperature n Accurate, Programmable Inductor Current Monitoring and Bidirectional Regulation n SPI Compliant Serial Interface n Operation Status and Fault Report n Prog.

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