MCP14E7-E/P

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Power management integrated circuits (PMICs) are an integral part of the overall system design for embedded applications in the electronics industry. Many high performance systems require complex power management solutions to maximize performance, minimize power consumption, and reduce board space. Gate drivers are used as an interface between the processor/controller and the external power switch. The MCP14E7-E/P is one such device, a low-power gate driver with advanced levels of protection, which is ideal for a range of applications.

MCP14E7-E/P Application Field

The MCP14E7-E/P is a low-power gate driver that is used to drive either N-channel or P-channel MOSFETs. It is capable of supplying up to 1A of gate current and providing very low RDS(ON) at 4.5V. This makes it well suited for applications requiring low-side gate drive and high-side gate drive. Typical applications include automotive, industrial control, home appliance, medical and lighting. It is also suitable for use in battery powered applications due to its low driving voltage range.

MCP14E7-E/P Working Principle

The MCP14E7-E/P gate driver is designed to be used with either P-channel or N-channel MOSFETs. It works by supplying a high current drive signal to the external power switch, while also providing protection against under-voltage and short circuit conditions. The high current level preserves the bypass capacitance of the power switch and reduces the switching time.

The device features an integrated level Shifter and a Fault Input Protection (FIP) circuit. The level shifter ensures that the gate drive voltage is always greater than the source voltage, while the FIP circuit protects against out of range voltages as well as an open drain connection. The FIP circuit monitors the drain voltage and cuts off the gate drive current when certain faults are detected.

The device also has fast switching characteristics, with a typical On-time of 15ns, and a typical propagation delay of 10ns. This ensures quick power delivery and reduced power dissipation in power switching circuits.

Conclusion

The MCP14E7-E/P is an ideal choice for designers who need to drive either N-channel or P-channel MOSFETs. It can supply up to 1A of gate current, and offers protection against under-voltage and short circuit conditions. The level shifter and FIP circuits ensure the safety and reliability of the system, while the fast switching speed reduces power dissipation. All of these features make the MCP14E7-E/P an excellent gate driver solution.

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