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MIC4421AZM
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Product Detailed Parameters
- Description：IC GATE DRVR LOW-SIDE 8SOIC
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Driven Configuration：Low-Side
- Channel Type：Single
- Number of Drivers：1
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：4.5V ~ 18V
- Logic Voltage - VIL, VIH：0.8V, 3V
- Current - Peak Output (Source, Sink)：9A, 9A
- Input Type：Inverting
- Rise / Fall Time (Typ)：20ns, 24ns
- Operating Temperature：0°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：-
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Overview
The MIC4421AZM is a high-speed, low-side MOSFET gate driver manufactured by Microchip Technology. It features a single inverting output capable of delivering a peak drive current of 9A. The device operates within a supply voltage range of 4.5V to 18V and utilizes an 8-pin SOIC package with a body width of 3.90mm. Key timing characteristics include a rise time of 20ns and a fall time of 24ns. It is designed for efficient switching applications requiring robust performance.
Feature Summary
- Provides high-speed switching capabilities with dedicated low-side drive architecture
- Delivers strong 9A peak output current for rapid MOSFET transitions
- Features an inverting logic interface for flexible control integration
Applications
- High-frequency DC-DC converter circuits
- Motor control systems requiring fast MOSFET switching
- Inverter bridge drivers in power electronics
Procurement Notes
Verify the specific suffix 'ZM' corresponds to the SOIC-8 tube packaging variant when ordering. Confirm RoHS compliance status as indicated in official documentation. Ensure the operating temperature range aligns with system requirements. Cross-reference the manufacturer part number with distributor catalogs to avoid confusion with tape-and-reel variants like MIC4421AZM-TR.
Selection Notes
Select this component for applications demanding high peak current drive capability in a compact surface-mount package. The inverting configuration suits designs where signal polarity inversion is required or beneficial. Consider the 9A output strength for driving large gate capacitance loads efficiently. Evaluate the 4.5V to 18V supply range against available system voltages.
Part Context
This device belongs to the MIC4421/MIC4422 family of MOSFET drivers from Microchip. It serves as a low-side driver counterpart to high-side or half-bridge solutions. The family is characterized by high speed and robustness, making it suitable for various industrial and consumer power conversion applications requiring reliable gate drive performance.
Replacement Considerations
Check for MIC4421AZT (TO-220 package) if through-hole mounting is preferred. Verify compatibility with MIC4421AZM-TR if tape-and-reel processing is required. Ensure substitute parts maintain the 9A peak current rating and similar propagation delays.
