MCP1405-E/SO

Overview

The MCP1405-E/SO is a dual low-side power MOSFET gate driver manufactured by Microchip Technology. It operates within a supply voltage range of 4.5 V to 18 V and delivers peak output currents of 4.5 A source and 2.5 A sink. The device features independent inverting and non-inverting outputs with propagation delays of 30 ns and rise/fall times of 28 ns. It supports CMOS and TTL logic inputs, functions across an operating temperature range of -40°C to +125°C, and is housed in a 16-pin SOIC package.

Feature Summary

• Provides independent high-current drive capabilities for dual N-channel MOSFETs
• Integrates both inverting and non-inverting output channels for flexible control schemes
• Ensures fast switching performance with low propagation delay and symmetric rise/fall times
• Compatible with standard digital logic families including CMOS and TTL

Applications

• High-speed power conversion circuits requiring precise MOSFET control
• Industrial motor drive systems utilizing low-side switching architectures
• Automotive electronics applications meeting AEC-Q100 reliability standards
• DC-DC converter topologies demanding rapid transient response

Procurement Notes

Verify the specific suffix designation to confirm the package type and tape-and-reel configuration. Ensure the ordering code matches the required industrial temperature grade and lead-free status. Cross-reference the manufacturer part number with official distributor catalogs to validate current availability and authenticity before finalizing procurement orders.

Selection Notes

Select this component when dual independent low-side driving is required with high peak current capability. The inclusion of both inverting and non-inverting outputs simplifies circuit design for half-bridge or synchronous rectifier applications. Consider the 16-pin SOIC package for adequate thermal dissipation and PCB layout flexibility in medium-power designs.

Part Context

This device belongs to the MCP1405 series of dual high-speed power MOSFET drivers. It shares functional similarities with other low-side drivers but distinguishes itself through integrated complementary outputs and robust automotive qualification. The series targets applications needing reliable switching performance in harsh electrical environments.

Replacement Considerations

Direct substitutes include the MCP1405-E/SN variant, which offers identical electrical specifications in an 8-pin SOIC package. Designers must verify pinout compatibility and thermal requirements when transitioning between package styles to ensure proper circuit integration.

FAQ

Does the MCP1405-E/SO support both inverting and non-inverting logic?

Yes, the device provides one inverting output channel and one non-inverting output channel independently.

What is the maximum peak output current for this driver?

The driver can source up to 4.5 A and sink up to 2.5 A from each output channel.