LTC4090EDJC#TRPBF

Introduction

The LTC4090EDJC#TRPBF is a low quiescent current, wide input voltage Li-Ion and LiFePO4 battery charger from Linear Technology. It is a high efficiency, 4.2V maximum voltage step-up switching battery charger designed for portable applications. With advanced safety features like thermal regulation and VDD overcurrent protection, the LTC4090EDJC#TRPBF makes charging lithium-ion or LiFePO4 batteries simpler and safer than ever before.

Versatile Operation

The LTC4090EDJC#TRPBF is capable of operating in a wide range of input voltage conditions. It can handle input voltages as low as 0.5V and as high as 25V. In addition, it can handle input currents up to 10A making it ideal for charging high capacity batteries. Furthermore, the charger can operate in a wide range of temperatures from -40°C to 125°C. This means that the charger can be used in a variety of different environments.

Efficiency and Thermal Regulation

The LTC4090EDJC#TRPBF is designed for high efficiency operation. With efficiencies as high as 95% in boost mode, the LTC4090EDJC#TRPBF is one of the most efficient battery chargers available. Additionally, the charger has built-in thermal regulation that ensures that the charger does not overheat during high current operation. This ensures that the battery is charged as safely and as efficiently as possible.

Convenience Features

The LTC4090EDJC#TRPBF also has several convenience features to make its use easier. One such feature is an optional precision current regulation circuit. This allows the user to set the maximum charging current to an exact value. This is useful for charging high capacity batteries where precise current regulation is important. Additionally, an optional under-voltage lockout feature is available. This feature can prevent the charger from starting operation until it has been given the necessary input voltage. Finally, the charger also provides an adjustable soft-start feature that helps protect the battery from high inrush currents that occur during charging.

Conclusion

The LTC4090EDJC#TRPBF from Linear Technology is a high efficiency, wide input voltage Li-Ion and LiFePO4 battery charger designed for portable applications. It can operate in a wide range of input voltages, input currents and temperatures making it one of the most versatile battery chargers available on the market. Additionally, it has advanced safety features like thermal regulation and VDD overcurrent protection to ensure a safe charging process. With its high efficiency, wide versatility and advanced safety features, the LTC4090EDJC#TRPBF is an ideal choice for charging Li-Ion or LiFePO4 batteries.