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LTC3871ELXE: Bidirectional, multi-phase, synchronous buck or boost controller, LQFP-48

Model: LTC3871ELXE

Package: LQFP-48

Type: Switching Regulator

Application: Automotive 48V/12V Dual Battery System, Backup Power System

Overview:

The LTC3871ELXE is a high-performance, bidirectional buck or boost switching regulator controller that can operate in either buck or boost mode as required. The device can regulate from VHIGH to VLOW in buck mode and from VLOW to VHIGH in boost mode based on a control signal, making it ideal for 48V/12V automotive dual-battery systems. An accurate current setpoint loop regulates the maximum current that can be delivered in either direction. The LTC3871ELXE enables both batteries to simultaneously supply power to the load by transferring energy from one battery to the other.

LTC3871ELXE Product Features:

Unique architecture enables dynamic regulation of input voltage, output voltage, or current

VHIGH voltage up to 100V

VLOW voltage up to 30V

Synchronous rectification: efficiency up to 97%

LTC proprietary advanced current-mode control

±1% voltage regulation accuracy across the entire temperature range

Accurate, programmable output current monitoring and regulation for buck and boost operations

Selectable buck and boost current detection limits

Programmable DRVCC/EXTVCC optimises efficiency

Programmable VHIGH UV and OV thresholds

Programmable VLOW OV threshold

Lockable frequency: 60kHz to 460kHz

Multi-phase/multi-IC operation (up to 12 phases)

Selectable CCM/DCM mode

Thermally enhanced 48-pin LQFP package

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• 6.Can the company issue an invoice?

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