UC2909DWG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PMIC - Battery Chargers are generally applied in many kinds of electrical and portable products. The UC2909DWG4 stands out due to its unique combination of features, which make it well suited for a wide range of uses. This application note details the features and working principle of the UC2909DWG4 and explains how it can be used for different purposes.

The UC2909DWG4 is a low power device used for charging Nickel-Cadmium (Ni-Cd) and Nickel-Metal-Hydride (Ni-MH) batteries. It consists of a voltage regulator with four voltage options, each of which is designed to match the requirements of the various types of batteries it is meant to charge. Additionally, the UC2909DWG4 also incorporates a temperature control circuit and an overload protection circuit, making it suitable for use in a variety of situations.

The UC2909DWG4 has the ability to sense and regulate the charge level of the battery by measuring the discharge current. This ensures that the battery is not overcharged or undercharged. In addition, the device also provides a precision timer which can be used to supply power to the battery for a predetermined amount of time. This feature helps in controlling the amount of time for which the battery is kept in the charging mode.

The UC2909DWG4 works on the principle of constant current charging. This means that the charge current is supplied to the battery, irrespective of the amount of voltage that is applied. This helps to maintain a constant current flow over the entire charge cycle, which is beneficial for maintaining the life of the battery.

Being a low power device, the UC2909DWG4 is suitable for applications such as handheld or portable devices. For example, it can be used to power flashlights, portable radios, remote controls and other similar items. In addition, the device is also suitable for use in power tools such as electric drills, saws and other hand tools. Furthermore, it is also capable of powering small rechargeable batteries such as those found in a variety of electronic toys.

In addition to providing a consistent charge current to the battery, the UC2909DWG4 also includes a temperature control system. This helps to monitor and regulate the internal temperature of the battery, allowing it to charge and discharge safely. This is important, as temperatures that are too low or high can result in the battery being unable to hold a charge or, even worse, damaging the battery. The temperature control system also helps to extend the life of the battery by preventing it from becoming overcharged or discharged too quickly.

The UC2909DWG4 also features a safety timer which can be used to limit the length of time that the battery is charged. This helps to prevent the battery from becoming overcharged, as well as helping to extend the life of the battery. This can be especially useful for users who are prone to leaving batteries charging for extended periods of time.

Overall, the UC2909DWG4 is an ideal choice for applications which require a low power device capable of charging Ni-Cd and NiMH batteries. It is especially suited for applications such as handheld and portable devices, where it offers superior protection to the battery. In addition, its temperature control and overload protection circuits make it suitable for a wide range of applications, making it an excellent choice for power tools, rechargeable batteries and other items.

The specific data is subject to PDF, and the above content is for reference