LT3652HVIDD#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Multi-Chemistry
Number of Cells:	4 ~ 5
Current - Charging:	Constant - Programmable
Programmable Features:	Current, Timer
Fault Protection:	--
Charge Current - Max:	2A
Battery Pack Voltage:	18V (Max)
Voltage - Supply (Max):	34V
Interface:	--
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	12-WFDFN Exposed Pad
Supplier Device Package:	12-DFN (3x3)
Base Part Number:	LT3652

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IntroductionPower management integrated circuits (PMICs) are ubiquitous in today\'s electronics devices. They are used to regulate and manage the power flows of a device. One of the most common types of PMICs are battery chargers, which are used to charge the chemical batteries found in most electronics devices. The LT3652HVIDD#TRPBF is a PMIC battery charger that is highly multifunctional, offering an integrated step-down switching regulator, high-efficiency synchronous buck and a high-voltage battery charger. ‍This PMIC is ideally suited for demanding, high-power applications, as it delivers an efficient, precise and integrated solution that can tackle a wide range of battery charging scenarios.Application FieldThe LT3652HVIDD#TRPBF is a powerful and versatile PMIC battery charger suitable for a variety of applications, such as mobile devices, consumer products and industrial systems.It is designed to provide a secondary battery charging solution for products that require high current and high voltage charging. For example, ultrabooks, tablet PCs, and portable media players can incorporate the LT3652HVIDD#TRPBF for fast and reliable charging.The LT3652HVIDD#TRPBF is capable of charging two-cell Li-Ion batteries from a USB port as well as from a wall adapter. It also provides a wide range of adjustable constant current values which allows the LT3652HVIDD#TRPBF to accommodate different battery types and capacities.The LT3652HVIDD#TRPBF can also be used in medical and industrial applications such as medical diagnostic or imaging equipment, industrial automation controllers, and portable test and measurement equipment.Working PrincipleThe LT3652HVIDD#TRPBF consists of a buck converter, a high voltage battery charger, and a step down converter. The buck converter is used to convert the input voltage from either 5V or 3.3V to 5V. This 5V output is then fed to the high voltage battery charger. The high voltage battery charger is used to charge Li-Ion batteries up to 8.4V.The step down converter is used to convert the input voltage from either 7V or 3.3V to 1.2V. This 1.2V output is then fed to the buck converter to step down the voltage to the desired level.The LT3652HVIDD#TRPBF also features an integrated safety timer which monitors the charging process and automatically shuts down if an abnormality is detected.ConclusionThe LT3652HVIDD#TRPBF is a high-voltage, multifaceted and powerful PMIC battery charger that is suitable for a variety of applications including mobile devices, consumer products and industrial systems. It is capable of charging two-cell Li-Ion batteries from either a USB port or a wall adapter, and offers adjustable constant current values so that it can accommodate a wide variety of battery types and capacities. The LT3652HVIDD#TRPBF also includes an integrated safety timer and an integrated buck, step-down and high-efficiency synchronous buck.

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