Microchip Technology

MIC4421ABN  

Gate Drivers ICs

MIC4421ABN Description

The MIC4421ABN is a low-side gate driver IC designed by Microchip Technology, a leading manufacturer in the electronics industry. This through-hole mounted device is housed in an 8-DIP package and is ideal for applications requiring efficient power management. The MIC4421ABN features a single channel with an inverting input type, making it suitable for driving a wide range of power MOSFETs. The device operates within a supply voltage range of 4.5V to 18V and can handle peak output currents of up to 9A for both sourcing and sinking. With a typical rise and fall time of 20ns and 24ns respectively, the MIC4421ABN ensures fast switching capabilities, which are crucial for high-frequency applications. Despite its obsolescence, the MIC4421ABN remains a reliable choice for specific power management needs.

MIC4421ABN Features

• Single Channel Inverting Driver: The MIC4421ABN features a single channel with an inverting input type, making it suitable for driving power MOSFETs efficiently.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 4.5V to 18V, providing flexibility in power supply design.
• High Peak Output Current: The IC can handle peak output currents of up to 9A for both sourcing and sinking, ensuring robust performance in demanding applications.
• Fast Switching: With a typical rise time of 20ns and fall time of 24ns, the MIC4421ABN ensures fast switching capabilities, which are essential for high-frequency applications.
• Through-Hole Mounting: The through-hole mounting type ensures mechanical stability and ease of integration into existing circuit designs.
• Logic Voltage Compatibility: The device supports logic voltage levels of VIL 0.8V and VIH 3V, ensuring compatibility with various digital control signals.
• Moisture Sensitivity Level (MSL) 1: The MIC4421ABN is rated MSL 1, indicating it is unaffected by moisture, making it suitable for a wide range of environmental conditions.

MIC4421ABN Applications

The MIC4421ABN is ideal for applications requiring efficient power management and fast switching capabilities. Some specific use cases include:

• Power MOSFET Drive Circuits: The MIC4421ABN is well-suited for driving power MOSFETs in various power conversion circuits, such as DC-DC converters and motor control applications.
• High-Frequency Switching Applications: The fast rise and fall times make the device suitable for high-frequency switching applications, ensuring minimal switching losses and improved efficiency.
• Industrial Power Supplies: The wide supply voltage range and high peak output current capabilities make the MIC4421ABN a reliable choice for industrial power supplies and power management systems.
• Automotive Electronics: The device's robust performance and moisture resistance make it suitable for automotive applications, where reliability and durability are paramount.

Conclusion of MIC4421ABN

The MIC4421ABN is a versatile and reliable gate driver IC designed for efficient power management applications. Its single channel inverting driver, wide supply voltage range, and high peak output current capabilities make it suitable for a variety of applications, including power MOSFET drive circuits, high-frequency switching applications, industrial power supplies, and automotive electronics. Despite being marked as obsolete, the MIC4421ABN remains a valuable component for specific power management needs, offering fast switching capabilities and robust performance. For engineers and designers seeking a reliable gate driver solution, the MIC4421ABN is a worthy consideration.

MIC4421ABN Documents

Download datasheets and manufacturer documentation for MIC4421ABN

Datasheets :

MIC4421A/4422A      

HTML Datasheet :

MIC4421A/4422A      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH