LTC1325CSW#TRPBF

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The product LTC1325CSW#TRPBF is categorized as a PMIC (Power Management Integrated Circuit) and is particularly a battery charger. Lithium battery chargers are a type of power-management system that is generally being used in a wide range of products, from everyday electronics to sophisticated instrumentation. In this article, a general overview of the working principle, features and application field of the LTC1325CSW#TRPBF will be discussed.

General Features

The LTC1325CSW#TRPBF is a highly integrated battery charger which is able to operate in a wide input voltage range, from 5V to 28V. It is also a current limited and temperature compensated battery charger, suitable for charging a single series Li-Ion/Li-Polymer battery. This product has an intergrated power-MOSFET switch which provides up to 3A output current. This product also integrates a precision current source, which enables the charging with a highly accurate current regulation of +-3%.

The LTC1325CSW#TRPBF also features an integrated Power Path solution. This means that the device is able to provide either a charging current to the battery, or discharge power from the battery to output directly, without any external elements. It also keeps the output voltage at a regulated 5 Volts during the entire charging cycle.

The clever design of this product allows for a high level of flexibility in its application field. It is able to work by input voltage or by input current, depending on the requirements of the system. The charger also has a low quiescent current of 10?A, which makes it ideal for use in portable or battery powered devices.

Working Principle

The LTC1325CSW#TRPBF is based on a two-stage charging algorithm which enables a maximum battery life. The first stage is the constant current stage, in which the charger supports a current up to 3A, until the voltage on the battery rises above a preset threshold. The second stage is the constant voltage stage, in which the charger limits the current to a lower value, until the battery is fully charged. This two-stage charging algorithm also helps in preventing over-charging of the battery. The system is able to automatically detect the presence of a battery and start the charging procedure.

The LTC1325CSW#TRPBF also has two fault protection mechanisms which enable the system to safely operate. The first one is the battery-over-temperature-protection, which prevents the battery from being damaged due to overheating. The second protection is the over-discharge protection, which prevents the battery from being drained under a certain voltage.

Application Field

The LTC1325CSW#TRPBF is mainly used in portable devices, handheld devices and laptop computers. Its compact size and high efficiency makes it suitable for these types of devices, as well as for industrial and medical applications.

The LTC1325CSW#TRPBF is also widely used in automotive applications. Its low quiescent current and high efficiency makes it a great choice for automotive battery charging systems. This product is able to automatically detect the battery voltage, temperature and currents, allowing for fast and accurate charging of the car battery. The LTC1325CSW#TRPBF is also used in many consumer electronics, such as televisions, radios and amplifiers, as well as in industrial instrumentation and control systems.

Conclusion

The LTC1325CSW#TRPBF is an integrated power-management system which is capable of providing charging current to a series Li-Ion/Li-Polymer battery. It has an wide input voltage range, high efficiency, low quiescent current and an intergrated power-MOSFET switch, all of which makes it suitable for a wide range of applications, from portable devices to automotive applications. Its two-stage charging algorithm and fault protection mechanisms make it a reliable and safe system to use.

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