LT3652EMSE#TRPBF

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The LT3652EMSE#TRPBF is a high-efficiency battery charger IC with built-in power path management and I2C programming. It is a highly integrated device that can perform DC-DC conversion, battery charging, and charge status and health monitoring. By combining several functions into one IC, the LT3652EMSE#TRPBF enables a compact and cost-effective battery charging system.

Application Fields of LT3652EMSE#TRPBF

The LT3652EMSE#TRPBF is designed to facilitate battery charging in a variety of portable applications, including smart phones, tablets, and other mobile devices. Its advanced power path management functions, combined with the ability to adjust the charging profile autonomously, make it ideal for these types of applications.

The LT3652EMSE#TRPBF also offers high efficiency, up to 96 percent, and a small form factor that enables its use in space-limited applications. In addition, its wide voltage range input, from 4V to 24V, makes it suitable for rechargeable battery packs with various voltage levels, such as Li-ion, Li-polymer, and NiMH.

The LT3652EMSE#TRPBF is also suitable for automotive and commercial applications, such as automotive navigation systems, handheld GPS, and PDAs.

Working Principle of LT3652EMSE#TRPBF

The LT3652EMSE#TRPBF is a continuous-time current-mode boost-based constant-voltage/constant-current (CV/CC) charger IC designed to charge one/two-cell lithium-ion/polymer batteries. It also has reverse-current protection and supports pre-charging. The circuit has no power MOSFETs or inductors.

The LT3652EMSE#TRPBF has two operating modes - constant voltage (CV) mode and constant current (CC) mode. In CV mode, the main switch is disabled and the battery is charged with constant voltage until its voltage reaches the level set by the voltage regulation loop. Once the battery voltage reaches its set level, the IC enters CC mode and supplies charging current at the programmed value until a steady state is reached.

The LT3652EMSE#TRPBF also incorporates a programmable power path manager, which can be used to control both the input and output current of the battery charger. In addition, I2C compatible registers are available to configure the charging parameters, including charge current, charge voltage, battery temperature monitoring, and others. This enables smart programming of the device and tailor-made charging for the application.

Conclusion

The LT3652EMSE#TRPBF is a highly versatile Battery Charger IC that is suitable for a wide range of portable applications and commercial uses. It can be easily programmed to suit the specific requirements of the application, and its high efficiency, wide input voltage range, and reverse-current protection make it an ideal choice for various battery charging applications.

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