LTC7871 (6)
The LTC7871 is available from Analog Devices at Xecor. Designed for high-performance bidirectional buck or boost switching regulation, the LTC7871 offers dynamic regulation of input voltage, output voltage, or current, synchronous rectification with up to 98% efficiency, and ADI-proprietary advanced current mode control. Available in a 64-LQFP Exposed Pad package, it is ideal for automotive 48V/12V dual battery systems and backup power systems. Whether used in automotive or industrial applications, this series ensures high efficiency, scalability, and precise voltage regulation for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTC7871 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC7871JLWE#PBF | Precise control of voltage and current in DC-DC applications | LQFP-64 | 8,433 | |
| LTC7871ILWE#PBF | High-frequency DC/DC converter for precision power delivery | LQFP-64 | 8,880 | |
| LTC7871HLWE#PBF | Step-up/step-down regulator for efficient power conversio | LQFP-64 | 8,257 | |
| LTC7871ELWE#PBF | DC/DC Cntrlr Single-OUT Step Down/Step Up 780kHz 64-Pin LQFP EP Tray | LQFP-64 | 8,928 | |
| LTC7871JLWE#WPBF | down/step-up DC/DC controller | eLQFP-64 | 5,378 | |
| LTC7871ELWE#WPBF | DC/DC Cntrlr Single-OUT Step Down/Step Up 780kHz Automotive AEC-Q100 64-Pin LQFP EP Tray | LQFP EP-64 | 5,069 |
Key Featrues
Dynamic Regulation of Input/Output Voltage or Current: The LTC7871's unique architecture allows dynamic regulation of input voltage, output voltage, or current, enabling flexible and efficient power management in diverse applications such as automotive dual battery systems. This feature ensures optimal performance under varying load conditions, enhancing system reliability and efficiency.
High Voltage Operation (Up to 100V): The controller supports VHIGH voltages up to 100V and VLOW voltages up to 60V, making it suitable for high-power applications like automotive and industrial systems. This capability ensures compatibility with a wide range of voltage requirements, expanding its use cases.
Synchronous Rectification with 98% Efficiency: The LTC7871 incorporates synchronous rectification, achieving up to 98% efficiency. This reduces power losses and heat generation, improving overall system performance and energy efficiency, particularly in high-current applications.
Accurate Programmable Current Monitoring: The controller provides precise, programmable inductor current monitoring and bidirectional regulation. This feature ensures accurate current control in both buck and boost modes, enhancing safety and performance in applications like backup power systems.
SPI Interface for Advanced Control: The LTC7871 features an SPI interface, enabling advanced control and monitoring of parameters such as enable, power good, and soft start. This simplifies system integration and allows for real-time adjustments, improving user control and system adaptability.
High Voltage Operation (Up to 100V): The controller supports VHIGH voltages up to 100V and VLOW voltages up to 60V, making it suitable for high-power applications like automotive and industrial systems. This capability ensures compatibility with a wide range of voltage requirements, expanding its use cases.
Synchronous Rectification with 98% Efficiency: The LTC7871 incorporates synchronous rectification, achieving up to 98% efficiency. This reduces power losses and heat generation, improving overall system performance and energy efficiency, particularly in high-current applications.
Accurate Programmable Current Monitoring: The controller provides precise, programmable inductor current monitoring and bidirectional regulation. This feature ensures accurate current control in both buck and boost modes, enhancing safety and performance in applications like backup power systems.
SPI Interface for Advanced Control: The LTC7871 features an SPI interface, enabling advanced control and monitoring of parameters such as enable, power good, and soft start. This simplifies system integration and allows for real-time adjustments, improving user control and system adaptability.
Applications
Automotive Dual Battery Management: The LTC7871 is ideal for managing 48V/12V dual battery systems in automotive applications. Its bidirectional buck-boost capability ensures seamless energy transfer between batteries, optimizing power delivery and enhancing system efficiency in hybrid and electric vehicles.
Backup Power Systems: The LTC7871 excels in backup power systems, where it dynamically regulates energy flow between primary and secondary power sources. Its ability to operate in both buck and boost modes ensures reliable power delivery during outages, making it suitable for critical infrastructure and industrial applications.
Renewable Energy Storage: The LTC7871 is well-suited for renewable energy storage systems, such as solar or wind power setups. Its bidirectional energy transfer capability allows efficient charging and discharging of energy storage devices, ensuring optimal utilization of renewable energy sources.
High-Precision Power Supplies: The LTC7871 is perfect for high-precision power supplies requiring tight voltage regulation and bidirectional current control. Its advanced current mode control and ±1% voltage regulation accuracy make it ideal for applications in laboratory equipment, medical devices, and telecommunications infrastructure.
Backup Power Systems: The LTC7871 excels in backup power systems, where it dynamically regulates energy flow between primary and secondary power sources. Its ability to operate in both buck and boost modes ensures reliable power delivery during outages, making it suitable for critical infrastructure and industrial applications.
Renewable Energy Storage: The LTC7871 is well-suited for renewable energy storage systems, such as solar or wind power setups. Its bidirectional energy transfer capability allows efficient charging and discharging of energy storage devices, ensuring optimal utilization of renewable energy sources.
High-Precision Power Supplies: The LTC7871 is perfect for high-precision power supplies requiring tight voltage regulation and bidirectional current control. Its advanced current mode control and ±1% voltage regulation accuracy make it ideal for applications in laboratory equipment, medical devices, and telecommunications infrastructure.
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