Microchip Technology

MIC4421AZT  

Gate Drivers ICs

MIC4421AZT Description

The MIC4421AZT is a high-performance, low-side gate driver IC designed for a wide range of power management applications. Manufactured by Microchip Technology, this device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Through Hole TO220-5 package. The MIC4421AZT is ideal for driving power MOSFETs and IGBTs, providing efficient and reliable control in various electronic systems.

MIC4421AZT Features

• Operating Temperature Range: The MIC4421AZT operates within a broad temperature range of 0°C to 150°C (TJ), making it suitable for both commercial and industrial applications where temperature extremes are common.
• Input Type: The device features an inverting input type, which simplifies the design of control circuits and ensures precise control over the gate drive.
• Rise and Fall Time: With typical rise and fall times of 20ns and 24ns respectively, the MIC4421AZT ensures fast switching, minimizing switching losses and improving overall system efficiency.
• Current Capability: The MIC4421AZT can source and sink peak currents of up to 9A, providing robust performance for driving high-power devices.
• Supply Voltage Range: The device operates from a supply voltage of 4.5V to 18V, offering flexibility in power supply design and compatibility with various voltage levels.
• Logic Voltage Levels: The MIC4421AZT supports logic voltage levels of VIL = 0.8V and VIH = 3V, ensuring compatibility with a wide range of digital control signals.
• Compliance and Standards: The MIC4421AZT is REACH unaffected and RoHS3 compliant, meeting the stringent environmental and safety standards required in the electronics industry.
• Packaging: The TO220-5 package is robust and suitable for through-hole mounting, providing mechanical stability and ease of integration into printed circuit boards.

MIC4421AZT Applications

The MIC4421AZT is ideal for applications requiring efficient and reliable gate drive control. Some specific use cases include:

• Power Supplies: Ideal for driving MOSFETs in DC-DC converters, inverters, and other power supply applications where high efficiency and fast switching are critical.
• Motor Control: Suitable for driving gate signals in motor control applications, ensuring precise control and high performance.
• Industrial Automation: The wide operating temperature range and robust current capability make the MIC4421AZT suitable for industrial automation systems where reliability and durability are paramount.
• Automotive Electronics: The device’s ability to handle high currents and operate within a wide temperature range makes it a good fit for automotive applications, such as electric vehicle (EV) powertrain systems and on-board chargers.

Conclusion of MIC4421AZT

The MIC4421AZT from Microchip Technology is a versatile and high-performance gate driver IC that offers significant advantages over similar models. Its wide operating temperature range, fast rise and fall times, and robust current capability make it an excellent choice for demanding power management applications. The device’s compliance with industry standards and its compatibility with various voltage levels further enhance its appeal. Whether used in power supplies, motor control systems, or industrial automation, the MIC4421AZT provides reliable and efficient gate drive control, ensuring optimal performance and system efficiency.

MIC4421AZT Documents

Download datasheets and manufacturer documentation for MIC4421AZT

PCN Assembly/Origin :

Fab Site 11/Nov/2016      

Datasheets :

MIC4421A/4422A      

PCN Packaging :

Packing Changes 10/Oct/2016      

HTML Datasheet :

MIC4421A/4422A      

PCN Design/Specification :

MIC4421A/4422A 19/Mar/2021      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH