LTC3351EUFF#PBF

Series:	--
Packaging:	Tray
Part Status:	Active
Applications:	Supercapacitor Backup Controller
Current - Supply:	2.25mA
Voltage - Supply:	4.5 V ~ 35 V
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	44-WFQFN Exposed Pad
Supplier Device Package:	44-QFN (4x7)
Base Part Number:	LTC3351

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LTC3351EUFF#PBF Application Field and Working PrinciplePower management and energy harvesting are two of the most important functions in modern electronics. To efficiently manage and harvest energy, power management ICs (PMICs) have become increasingly popular. The LTC3351EUFF#PBF is an advanced IC from Linear Technology Corporation (LTC), specifically designed for power management and energy harvesting applications. This IC is an ingenious combination of an energy harvester + power management system for high-efficiency operation. Overview of LTC3351EUFF#PBF Features:The LTC3351EUFF#PBF is a complete power manager IC with the capability to harvest energy from a wide range of sources, such as solar, thermal, wind and vibration. It integrates many components, such as a low quiescent current synchronous buck controller, energy harvester, and a system controller, into a single package. This eliminates the need to design multiple circuits and thereby lowers overall cost and significantly improves system efficiency. The IC also has an on-board non-volatile memory, allowing it to store up to 1 Mbit of data. This enables powerful features such as remote monitoring and control for embedded systems, as well as long-term storage of collected data. Moreover, the IC includes two-level power monitoring, providing an efficient way to monitor and manage power usage in a wide range of applications. Typical Applications:The LTC3351EUFF#PBF is ideal for a wide range of applications, such as wireless sensor networks, remote monitoring systems, and IoT applications. Additionally, it is used in wireless charging systems and portable electronic device charging, as well as energy harvesting applications, including solar energy harvesting and thermal energy harvesting. Working Principle:The LTC3351EUFF#PBF is based on a boost converter topology and its working principle is similar to a synchronous buck converter. It works by converting a low input voltage source, such as a solar cell, into a higher voltage source, allowing it to provide power to the load. The IC also has a dedicated energy harvester connected to the input, which enables it to harvest energy from multiple sources. This energy is then stored in an on-chip Non-Volatile Memory (NVM) for later use. Additionally, the IC has two level power monitoring and control, which allows the device to monitor and control its power usage, as well as optimize its efficiency by limiting its power consumption. The LTC3351EUFF#PBF also offers a variety of communication interface options, such as I2C, SPI and UART, to enable remote control and monitoring of the IC. Conclusion:The LTC3351EUFF#PBF from Linear Technology Corporation is a powerful IC for power management and energy harvesting applications. It allows designers to easily implement energy harvesting and power management solutions with a single IC, significantly reducing system cost and providing higher efficiency. It is ideal for embedded networks and remote monitoring applications, as well as wireless charging systems and portable device charging. The IC provides intelligent power management and control, as well as data storage capabilities, making it a powerful and versatile solution for any application.

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