LT3650EDD-4.1#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Timer
Fault Protection:	Over Temperature
Charge Current - Max:	2A
Battery Pack Voltage:	4.1V
Voltage - Supply (Max):	32V
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-WFDFN Exposed Pad
Supplier Device Package:	12-DFN (3x3)
Base Part Number:	LT3650

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LT3650EDD-4.1#TRPBF Application Field and Working Principle

The LT3650EDD-4.1#TRPBF is a low-power, high-efficiency synchronous battery charger, with a wide input voltage range, making it suitable for industrial, consumer, and medical applications. It is equipped with advanced features and a wide variety of integrated safety components, allowing it to provide high-performance, high-efficiency charging and power management. In addition, it is a high-precision, highly configurable charger that is capable of providing both full-speed and trickle charging, making it ideal for applications that need both fast and slow charging.

Overview

The LT3650EDD-4.1#TRPBF is a highly efficient, high-precision synchronous battery charger designed for applications requiring high-precision power management. It is designed with a 2-phase step-down switching regulator, providing wide input voltage range, appropriate for 12V and 24V batteries. Its integrated protection features, such as open-circuit protection and over-voltage or over-temperature protection, minimize the possibility of damage due to incorrect inputs or system malfunctions. The LT3650EDD-4.1#TRPBF supports a wide input voltage range (up to 8V) to enable both fast and slow charging algorithms, thereby allowing it to deliver high-precision, full speed, and trickle charging.

Features and Benefits

The LT3650EDD-4.1#TRPBF is ideal for industrial, consumer, and medical applications due to its numerous features and benefits, such as:

• Wide input voltage range (up to 8V)
• Low quiescent current (97µA)
• Over-voltage and open-circuit protection
• High-efficiency (97.3% for 12V systems, 95.8% for 24V systems)
• High-precision (1mV accuracy)
• Closed-loop charging algorithm for both fast and slow charging
• Integrated safety components for thermal, over-voltage, and over-temperature protection
• High-speed communication interface

Applications

Due to its features and benefits, the LT3650EDD-4.1#TRPBF is suitable for a variety of applications, including industrial, consumer, and medical. Given its high-efficiency, low-cost, and high-precision features, it can be used in medical equipment, automotive and industrial applications, solar power systems, and more. Any application that requires precision power management and/or wide input voltage range can benefit from using the LT3650EDD-4.1#TRPBF.

Working Principle of the LT3650EDD-4.1#TRPBF

The LT3650EDD-4.1#TRPBF is a high-performance synchronous battery charger, with a two-phase step-down switching regulator, which makes it highly efficient. Its wide input voltage range allows it to support both full-speed and trickle charging. It is also capable of providing high-precision charging and power management, thanks to its open-circuit protection, over-voltage and over-temperature protection, and integrated safety components. The LT3650EDD-4.1#TRPBF works by regulating the output voltage, based on the input voltage level, and its open-circuit protection and over-voltage or over-temperature protections minimize the possibility of damage due to input mistakes or system malfunctions. The high-speed communication interface allows the user to communicate with the charger in order to configure the charging parameters. When the charger is connected to the battery, it will automatically regulate the output voltage and switch it between full speed and trickle charging modes. The charger also has a current-based protection feature, which gives protection against short-circuit, under-voltage, and over-current situation. Finally, the charger also features temperature-based charging, which allows it to adjust the output voltage based on the battery temperature.

Conclusion

The LT3650EDD-4.1#TRPBF is an ideal solution for industrial, consumer, and medical applications requiring high-precision power management and a wide input voltage range. The charger offers high-precision and high-efficiency charging, thanks to its integrated safety components, closed-loop charging algorithm, and open-circuit protection. It is also highly capable, offering high-speed communication interface, temperature-based charging, and current-protection features.

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