MIC2561-0YM

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The MIC2561-0YM is a low-voltage, low-capacitance USB switch and load driver. It\'s a member of the MIC2561 family of Power Distribution Switches from Micrel. This switch is designed to provide bidirectional control of data exchange between two USB power sources, allowing higher speed and improved power performance of both types of systems.

The MIC2561-0YM power-distribution switch can control up to four USB ports with a single chip. It supports up to 80Mbps of data transfer and can detect four levels of voltage. It can also support up to one amp of power, making it suitable for low-power devices like keyboard and mouse. The switch has built-in thermal and short-circuit protection. It also has an internal reset circuit that helps to prevent malfunctions.

The MIC2561-0YM power-distribution switch consists of two sets of on/off control signals and one set of bi-directional enable/disable signals. The on/off control signals are used to control the power to the USB ports. The enable/disable signals control the data flow. When one of the enable/disable signals is asserted, the data flow is enabled and the power-distribution switch will permit the data transfer between the USB sources.

The MIC2561-0YM applications include mobile devices such as tablets and smart-phones, as well as PCs, both laptop and desktop. It is also used in digital cameras and home entertainment devices. The MIC2561-0YM has low-capacitance characteristics and therefore, is also suitable for applications that require fast switching between ports and have low voltage and high capacitance requirements.

The MIC2561-0YM has a working principle that involves two primary steps. First, two sets of on/off control signals are applied to the switches, one for the positive power ports and one for the negative power ports. The second step is to then apply a bi-directional enable/disable signal, which is then used to control the data communication between the USB ports.

The MIC2561-0YM is an efficient, cost-effective, and reliable power-distribution switch from Micrel. It is suitable for various applications and can provide bidirectional control of data exchange between two power sources. The switch provides low-capacitance and fast switching of ports and features thermal and short-circuit protection. Additionally, it also offers an internal reset circuit to avoid malfunctions.

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