LT1510IN#PBF

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Introduction

The LT1510IN#PBF is an integrated linear charging system specifically designed for battery-powered applications. It combines a high-accuracy current regulation loop with a high-current switch to provide an efficient and cost-effective solution for quickly and safely charging popular battery chemistries. This device offers low quiescent current, exceptional thermal performance, and a wide range of features for improved charging accuracy and control. The LT1510IN#PBF is engineered to fit applications requiring highly accurate current regulation such as wearable and portable battery-powered applications.

Application field

The LT1510IN#PBF is most often used as a battery charger in consumer and industrial applications with a wide range of chemistries including lithium-ion, nickel-cadmium, and nickel-metal hydride. It is also suitable for other energy storage devices and fuel cells. The device is available in both SOT-23 and DFN packages, making it suitable for a variety of form factors including smartphones, tablets, and wearables. The device is also suitable for industrial systems, such as portable motor controls and industrial battery charging and monitoring systems.

The LT1510IN#PBF is engineered to support charge currents greater than 2.5 A and is optimized to provide excellent performance and exceptional accuracy in applications with challenging charging algorithms or battery parameters. It is also suitable for charge-discharge applications, such as solar charging, industrial backup batteries, and portable motor controllers.

Working Principle

The LT1510IN#PBF is a linear charging system that integrates a high-accuracy current regulation loop and a high-current switch to enable high-performance, efficient charging. It is designed to provide voltage regulation accuracy of ±2.0% for 3.2-4.2 V (NTS), 1.0-3.3 V (SOT-23) and 1.6-4.2 V (DFN) charge voltage. Additionally, the device provides precise current regulation with a maximum of 100mA current ripple for 3.2-4.2 V charge voltage.

The current regulation loop of the LT1510IN#PBF is highly programmable, allowing users to easily adjust the charge current, charge voltage or termination conditions. It is also compatible with industry-standard battery control systems. The current regulation loop of the device contains an internal current limit, an over voltage protection and a thermal protection circuit.

The LT1510IN#PBF is additionally capable of charging batteries at up to 4.2V, with a range adjustable from 0.1V. This allows the user to easily adjust the charge voltage and current to meet the needs of the application or chemistry. Additionally, the device is capable of providing constant current and constant voltage modes for both fast and trickle charging.

Conclusion

The LT1510IN#PBF is an integrated linear charging system specifically designed for battery-powered applications. It combines a high-accuracy current regulation loop with a high-current switch to provide an efficient and cost-effective solution for quickly and safely charging popular battery chemistries. This device is available in both SOT-23 and DFN packages, making it suitable for a variety of form factors including smartphones, tablets, and wearables. The device is engineered to provide voltage regulation accuracy of ±2.0%, allows for up to 4.2 V charge voltage, and is designed to support charge currents greater than 2.5 A. It is also suitable for charge-discharge applications, such as solar charging, industrial backup batteries, and portable motor controllers.

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