MCP1406T-E/MFVAO

Overview

The MCP1406T-E/MFVAO is a low-side MOSFET gate driver manufactured by Microchip Technology. It features a single inverting output capable of sourcing and sinking 6A peak current. The device operates within a supply voltage range of 4.5V to 18V. It utilizes an 8-DFN-S (6x5) surface-mount package. Typical rise and fall times are 25ns. The component supports CMOS and TTL logic inputs. It is rated for an operating temperature range from -40°C to +125°C.

Feature Summary

• Provides high-current drive capability with 6A peak source and sink currents for efficient MOSFET switching.
• Features an inverting logic configuration compatible with standard CMOS and TTL input levels.
• Designed for robust operation across an extended industrial temperature range up to 125°C.

Applications

• Low-side power switching in automotive electronic control units
• Industrial motor control systems requiring fast MOSFET turn-on/off
• DC-DC converter topologies utilizing low-side N-channel MOSFETs

Procurement Notes

Verify the specific suffix VAO against the manufacturer's latest datasheet to confirm package dimensions and marking details. Ensure the design accommodates the 8-DFN-S footprint thermal requirements. Confirm that the inverting logic aligns with the system control interface before procurement.

Selection Notes

Select this component when a single-channel, low-side driver with 6A capability is required. The inverting configuration suits applications where signal inversion is acceptable or desired. Consider the 8-DFN-S package for space-constrained PCB layouts. Verify compatibility with the target MOSFET gate charge requirements at the intended operating frequency.

Part Context

This part belongs to the MCP1406/MCP1407 family of MOSFET gate drivers from Microchip. It serves as a dedicated driver for enhancing switching speed and reducing power loss in power electronics. The device complements other variants in the series offering different configurations or pinouts for diverse system architectures.

Replacement Considerations

The TC4429EMF and TC4429VMF are documented equivalents within the Microchip portfolio. These parts share similar 6A low-side inverting characteristics but differ in package type and maximum operating temperature ratings. Verify thermal and mechanical constraints before substitution.

FAQ

What is the logic input configuration of the MCP1406T-E/MFVAO?

The MCP1406T-E/MFVAO features an inverting logic configuration, meaning the output state is opposite to the input signal state.

Does the MCP1406T-E/MFVAO support both N-channel and P-channel MOSFETs?

As a low-side driver, it is primarily designed for driving N-channel MOSFETs connected to ground. It does not provide the high-side drive voltage necessary for P-channel low-side or N-channel high-side applications without additional circuitry.