MIC2547-2BTS

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The MIC2547-2BTS is a dual power switch from Microchip Technology. It is categorized as a power distribution switch, load driver, and peripheral device in PMIC (Power Management Integrated Circuit). PMIC devices are integral components used for managing electrical power. MIC2547-2BTS specifically delivers reliable overcurrent protection, independent load disconnects and inrush current limit functionality to deliver consistent power delivery and protection in embedded systems.

Application Field of MIC2547-2BTS

The MIC2547-2BTS is designed to meet the need of embedded systems that require efficient power control and protection. Applications such as consumer appliances, motor drives, power converters, and mobile phones have benefited from the MIC2547-2BTS’s exceptional switch protection. Additionally, it has become an important component in automotive applications such as air conditioning system, engine controls, and on-board diagnostics. MIC2547-2BTS also provides a space saving design when used in multi-board stack ups in a variety of consumer electronics.

Working Principle of MIC2547-2BTS

The MIC2547-2BTS is a dual P4 power switch that contains two low-on-resistor (RDS(ON)) N-channel MOSFETs with independently configurable overcurrent protection, ESD protection and fail-safe operation. The device is designed to control the power flow in two separate lines—one per channel. The low RDS(ON) of its MOSFETs ensures low conduction loss while high switching speed enables fast turn-on and turn-off times. Additionally, the patented voltage independent overcurrent protection circuit effectively provides a constant current regardless of input voltage, providing an intuitive and effective way of guaranteeing system level current protection.

The device itself also features status flags that indicate the presence of fault events as well as load presence. It allows for simplified system design and sleeker power distribution architecture. All these features taken together make the MIC2547-2BTS an ideal power management solution for embedded applications.

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