IPA50R190CEXKSA2

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The IPA50R190CEXKSA2 is a high-speed, low-on-resistance MOSFET designed for automotive applications. It is an enhancement-mode, logic-level, N-channel device with an on-resistance rating of 0.29Ω. This device is popularly used in DC-DC converters, power management solutions, power stages, in-vehicle networks and automotive lamps.

The device is composed mainly of a depletion-type MOSFET structure along with a parasitic diode. As with any MOSFET, the IPA50R190CEXKSA2 is configured as a voltage-controlled switch, controlling a current by applying a voltage of the correct polarity in order to induce a MOSFET channel. For example, when a voltage with a positive polarity is applied to the MOSFET’s gate, an inversion area forms and a conductive path is established from the source to drain.

The gate of the MOSFET has an input impedance of approximately 10⁹ Ohms, allowing for very low gate drive current. Because its channel is designed to configure above its threshold voltage, the channel may be turned on and off with logic-level internally. This is why this type of MOSFET is referred to as a logic-level device. The threshold voltage is typically between 2-4 volts, and its on-channel resistance is comparatively low. The parasitic diode within the MOSFET circuit helps reduce surge current when the device is switched on and off.

The ultra-low on-resistance of the IPA50R190CEXKSA2 makes it ideal for automotive applications where current consumption needs to be kept to a minimum. Its low gate drive current, along with its ability to control large currents once the channel is turn on, make it a suitable choice for DC-DC converters and power management circuits. In addition, its small size and low power consumption make it optimal for automotive lighting applications. By connecting the circuit to the vehicle’s battery, the MOSFET can be used for high-efficiency dimming.

Overall, the IPA50R190CEXKSA2 MOSFET is a high-speed, low-power device capable of controlling high currents. It is suitable for many automotive applications, such as DC-DC converters and power management circuits, as well as automotive lighting. Its low on-resistance and ability to configure with logic levels make it an optimal choice for these applications.

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