LTC4053EMSE-4.2#TRPBF

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The LTC4053EMSE-4.2#TRPBF is a battery charging solution of the PMIC - Battery Chargers category. It is a low profile, low dropout power management IC designed for use in compact Li-Ion, NiMH, and NiCd battery applications. It provides 6.0V maximum undervoltage lockout (UVLO), 1.5A maximum current limit, and battery temperature monitoring and regulation support. With these features, the LTC4053EMSE-4.2 is suitable for a wide variety of applications in the portable electronics market.

The LTC4053EMSE-4.2#TRPBF has a wide 4.2V to 7.5V operating voltage range and is designed to operate with a 2.9V to 6.0V input supply. With this wide range of operating voltages, the LTC4053EMSE-4.2#TRPBF can be used to charge Li-Ion, NiMH, and NiCd batteries. The IC can be set to operate in constant voltage (CV) or constant current (CC) mode by simply adjusting the two external resistors, or two external capacitor values.

The LTC4053EMSE-4.2#TRPBF also has a timer input that can be used to terminate charging when a predetermined time limit is reached. This feature is particularly useful for protecting the battery from overcharging. It also has a low voltage undervoltage lock-out (UVLO) that prevents charging from starting until the input voltage rises above 6.0V. This gives the device some protection from accidental battery charging, as well as from deep discharge of the battery.

The LTC4053EMSE-4.2#TRPBF also provides a proprietary Automatic Recharging with Automatic Termination (ART) feature that terminates charging when the battery is fully charged, and then restart charging when the battery voltage drops below a certain level. This prevents overcharging of the battery, extending its life and improving safety. Additionally, the LTC4053EMSE-4.2#TRPBF includes an external temperature sensor input to detect the temperature of the battery, allowing the IC to reduce the charge current when the temperature rises above a certain level. This helps prevent damage to the battery due to excessive heat.

In addition to the features mentioned above, the LTC4053EMSE-4.2#TRPBF also includes a low-noise buck converter, wide input voltage range, and integrated reverse current protection. This makes it suitable for a wide variety of applications, such as high-capacity fixed-mount portable batteries, mobile phones, MP3 players, phonographs, and other portable electronics.

Overall, the LTC4053EMSE-4.2#TRPBF is a versatile and highly efficient IC for regulating the charging of Li-Ion, NiMH, and NiCd batteries. It provides maximum current limit, low dropout operation, and the ART feature for safe, automatic charging and termination. It is a reliable, low-cost solution for portable electronics charging.

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