MP18871-A4CGSE-Z

Isolators - Gate Drivers Overview

The MP18871-A4CGSE-Z is an isolated half-bridge gate driver from Monolithic Power Systems, designed for driving power-switching devices with minimal pulse-width distortion. It features capacitive-based isolation technology providing up to 3kV RMS withstand voltage per UL 1577 and a Common-Mode Transient Immunity (CMTI) rating above 100kV/µs. The device delivers 4A source and sink peak current capability with a typical propagation delay of 50ns. It operates on a 2.8V to 5.5V input supply and supports output drive supplies up to 30V. Available in SOIC-16 NB packages, it functions within a temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Capacitive-based isolation technology ensures robust signal transmission between input and output sides.
• High common-mode transient immunity exceeds 100kV/µs for reliable operation in noisy environments.
• Configurable dead time control and overlap protection prevent shoot-through conditions.
• TTL and CMOS compatible inputs interface directly with standard logic controllers.

Isolators - Gate Drivers Applications

• Half-bridge and full-bridge converters
• Isolated DC/DC converters
• Offline isolated AC/DC converters
• DC/AC inverters

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix A4CGSE-Z corresponds to the SOIC-16 Narrow Body package with 3kV RMS UL certification. Confirm that the component meets DIN EN IEC 60747-17 requirements if VDE certification is necessary for the target application. Ensure compatibility with the required input voltage range and output drive supply limits before integration.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with galvanic isolation is required. The 4A peak current drives most medium-power MOSFETs and IGBTs efficiently. Consider the 50ns propagation delay for timing-sensitive applications. The narrow body package suits space-constrained designs requiring certified isolation without sacrificing performance.

Isolators - Gate Drivers Part Context

This part belongs to the MPS MP18871 family of isolated gate drivers. The family utilizes advanced capacitive isolation to replace traditional magnetic or optical methods, offering higher reliability and smaller form factors. The MP18871 series is engineered for high-efficiency power conversion systems where electrical safety standards are critical.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include other MPS MP18871 variants such as MP18871-A4BGLU-Z or MP18871-A4CGSE-P, provided the package type and isolation voltage ratings match the design requirements. Verify pinout compatibility and thermal characteristics when swapping between different package options within the same series.

Isolators - Gate Drivers FAQ

What is the maximum isolation voltage for the MP18871-A4CGSE-Z?

The MP18871-A4CGSE-Z provides up to 3kV RMS input-to-output isolation when certified under UL 1577 standards.

Does the device support configurable dead time?

Yes, the MP18871 includes configurable dead time control and overlap protection to optimize switching efficiency and prevent cross-conduction.