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NCP4422T
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Product Detailed Parameters
- Description：BUFFER/INVERTER MOSFET DRIVER
- Series：*
- Mfr：onsemi
- Package：Bulk
- Driven Configuration：-
- Channel Type：-
- Number of Drivers：-
- Gate Type：-
- Voltage - Supply：-
- Logic Voltage - VIL, VIH：-
- Current - Peak Output (Source, Sink)：-
- Input Type：-
- Rise / Fall Time (Typ)：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：-
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Overview
The NCP4422T is a high-speed MOSFET driver from onsemi, designed to drive large MOSFETs and IGBTs with a peak output current of 9.0 A. It operates within an input voltage range of 4.5 V to 18 V and supports supply voltages up to 20 V. The device features independent inputs for flexible control and includes internal blanking time to prevent shoot-through in half-bridge configurations. It is housed in a compact SOIC-8 package and is rated for operation at junction temperatures up to 150 °C.
Feature Summary
- High-current capability of 9.0 A for rapid switching
- Immune to false triggering via internal blanking time
- Independent input pins for versatile logic control
Applications
- Half-bridge and full-bridge power converter topologies
- Motor control systems requiring robust gate driving
- Industrial motor drives and inverters
Procurement Notes
Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm the manufacturer is onsemi, formerly Fairchild Semiconductor, to ensure component authenticity. Check for RoHS compliance markings if required by your assembly standards. Ensure the ordering part number matches the exact pinout and electrical specifications documented in the official datasheet.
Selection Notes
Select this component for applications demanding high peak current to minimize switching losses in power stages. The independent input structure allows for complex timing control without external logic gates. Consider the SOIC-8 package size for PCB space constraints. Verify that the system's input voltage levels are compatible with the 4.5 V minimum threshold.
Part Context
This device belongs to the NCP442x series of intelligent gate drivers. It shares functional similarities with the NCP4421 but offers optimized performance for high-power switching applications. The series is engineered for reliability in harsh industrial environments, providing robust protection against transient events common in motor drive circuits.
Replacement Considerations
The NCP4421 is a related variant within the same family. Verify pin compatibility and specific current ratings before substitution. No other direct cross-reference part numbers are confirmed in public documentation.
