MIC2547-1BM

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Introduction to MIC2547-1BM

MIC2547-1BM is a monolithic power-distribution switch designed for applications where low on-resistance is required. It is a low-side N-channel MOSFET featuring an integrated reverse-blocking diode, a flexible output voltage that can be controlled through an external voltage supply and an integrated power switching circuit. The MIC2547-1BM provides a low-cost, low-profile solution for solutions in a variety of power applications.

Application Fields of MIC2547-1BM

The MIC2547-1BM is an attractive solution for a wide range of applications in the power industry. Applications include: DC-DC converters, power switch-mode power supplies (SMPSs), battery chargers, and automotive applications such as relays and signal conditioning for high amperage loads. The MIC2547-1BM is also well suited for automotive and industrial applications, where higher current and switching speeds are needed, such as relays, motor control and signal conditioning.

Work Principle of MIC2547-1BM

The MIC2547-1BM is a single-channel power switch solution. It features a low RON on-resistance of 0.2 Ω and a reverse blocking diode. It is designed for use in applications where high current needs to be controlled, the output voltage needs to be externally regulated and the switch needs to be able to withstand voltage transients. The MIC2547-1BM is operated by an external voltage supply, which sets the output voltage. When power is applied to the device, the output voltage is internally regulated. The output voltage is adjustable from 0.8 V to 8 V depending on the external voltage supply. The device can also be used for battery charging, with the output voltage set for a predetermined voltage for charging. The device allows for a 0.5mA current limit in order to protect the system from overloads and shorts.

The MIC2547-1BM features a built-in protection circuit, which provides reverse blocking, temperature protection and an under-voltage lockout (UVLO) feature. The reverse blocking feature prevents the load from discharging when power is turned off. The temperature protection prevents the device from overheating, while the UVLO prevents the device from being activated until the input voltage reaches a certain level.

Conclusion

The MIC2547-1BM is a switching device and power-distribution switch designed for applications requiring low on-resistance. It is an ideal solution for DC-DC converters, power switch-mode power supplies, battery chargers, and automotive applications. The device features an integrated reverse-blocking diode, a flexible output voltage that can be controlled through an external voltage supply, an integrated power switching circuit, an over-temperature protection circuit, and a UVLO feature. The device allows for a 0.5mA current limit in order to protect the system from overloads and shorts.

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