MCP1403-E/P

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Integrated circuits (IC) are often used to automate and simplify the way in which power- switching devices like FETs, MOSFETs or MOSFETs handle power. PMIC-gate drivers are tools that help regulate the flow of current through power transistors. The MCP1403-E/P is a PMIC-gate driver that is used to provide controlled switching for high-side and low-side power transistors. To understand how MCP1403-E/P works, one needs to know its application field and working principle.

Application Field

The MCP1403-E/P is a voltage controlled IC in the P-channel Low-Side Driver family that helps in robust and reliable control of low-side power transistors. It is a low-power IC that features high-speed switching of power transistors. In general, the IC finds use in applications where precise control of loads, motors, solenoids, actuators and relays is needed. The main benefit of the IC is that it can switch high power loads with low gate voltages, making it ideal for controlling power in automotive and industrial applications.

Working Principle

The working principle of the MCP1403-E/P is based on its internal architecture, which is composed of two P-channel enhancement MOSFETs - a low-side switch and a high-side switch. Two control signals given to the IC from outside implement the switching control. An additional voltage is given to the supply pin to generate the gate voltage for the low-side switch.

When the first control signal is given to the IC, the low-side switch is enabled and the voltage of its gate is driven to roughly 5V. This enables the low-side switch, which conducts current between the drain and source pins. When the second control signal is given to the IC, the high-side switch is enabled and the voltage of its gate is driven to roughly 15V. This enables the high-side switch, which conducts current between the drain and source pins.

The MCP1403-E/P can be used for various applications like power control, motor control and solid-state switching. It is ideal for such applications since it combines both high-side and low-side switching in a single package. Moreover, its low-power operation allows for low standby power consumption.

Conclusion

The MCP1403-E/P is an IC that provides controlled switching for both low-side and high-side power transistors. Its internal architecture is composed of two P-channel enhancement MOSFETs - a low-side switch and a high-side switch. It finds applications in areas where precise control of loads, motors, solenoids, actuators and relays is needed. Its low-power operation, small form factor and high-speed switching make it the ideal choice for automotive and industrial applications.

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