L98SI

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PMICs (Power Management ICs) are highly integrated circuit devices that are solely responsible for powering and managing the system components of an electronic device. This includes tasks such as controlling power supply, monitoring power currents, or manipulating output configurations. Typical components that utilize PMICs include microprocessors, graphics processors, ASICs and RF transceivers as power management tasks are essential for their proper functioning. One of the most widely used type of PMIC is the power distribution switch, load driver IC, or the L98SI.

The L98SI is a versatile power distribution switch with low on-resistance, fast switching and low power loss. It’s designed for use in applications that require precision control of current flow, such as in communication systems, networking systems, audio systems, and power control applications. The L98SI is available in two packages: the single-channel version has an output current two times higher than the dual-channel version.

The L98SI has four different modes of operation. The first mode is the full-on mode, where the output is enabled by application of a logic low on the enable pin. The second mode is the half-on mode, where the output is enabled by application of a logic high on the enable pin. Next is the enable output mode, where the enable output pin drives the logic high voltage level. This is used to control other power switches or other devices that require high voltage enable signals. Finally there is the enable input mode, which is the same as enable output mode, but the enable input pin is used instead.

The working principle of the L98SI is fairly simple. When the logic level on the enable pin is applied, it enables the switch to turn the output on and off. This is done through a process called source switching, where the source is the source of power that can either be supplied from the battery or from an external power source. If a logic high is applied to the enable pin, the L98SI will switch the power flow from external power source to the output. Conversely, if a logic low is applied to the enable pin, the power will be switched from the output to the external power source.

In applications that require dual-channel power distribution, such as audio systems and power control systems, the L98SI can be used in conjunction with another power switch to achieve a smoother transition from input to output and vice versa. Additionally, due to its low on-P resistance and switching rate, the L98SI is well suited for applications that require precision current control. This includes applications such as communication systems, networking systems, audio systems, and power control systems.

The L98SI is an efficient and reliable switch that offers efficient control of current flow and can be used in a wide range of applications. Its four modes of operation help to ensure smooth transitions from source to output and distribute power where it is needed. Additionally, its low on-resistance and fast-switching characteristics make it well suited for precision current control applications such as communication and networking systems.

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