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  3. Isolated Gate Drivers
  4. Isolated, dual-input controlled, high-side/low-side half-bridge gate driver MP18831 (Monolithic Power Systems, Inc.)
Isolated, dual-input controlled, high-side/low-side half-bridge gate driver MP18831-MP18831
Isolated, dual-input controlled, high-side/low-side half-bridge gate driver MP18831-Monolithic Power Systems, Inc.

Isolated, dual-input controlled, high-side/low-side half-bridge gate driver MP18831
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP18831 is an isolated half-bridge gate driver solution with up to 4A peak source and sink current capability. Gate drivers are designed to drive power switching elements with low propagation delay and minimal pulse width distortion. This driver utilizes MPS' proprietary capacitance-based isolation technology to achieve a withstand voltage of up to 5kVRMS (UL1577 compliant) (SOIC widebody package option). The MP18851 can also achieve common-mode transient immunity (CMTI) ratings of over 100kV/μs between the input side and the output driver. These advanced features enable high efficiency, high power density, and robustness in a variety of power applications. The MP18831 integrates independent dual-channel gate drivers in one package. Each output can be connected to a separate ground or to a positive or negative voltage reference. The secondary topology is configurable as a half-bridge high-side (HS) and low-side (LS) driver, each controlled by two independent input signals. The MP18831 provides programmable dead time (DT) with external resistors to prevent short-through of half-bridge drivers. The wide primary-side (VDDI) supply range makes the driver ideal for working with 3.3V and 5V digital controllers. The secondary driver can handle power up to 30V. All supply voltage pins have multiple undervoltage lockout (UVLO) protection options. The MP18831 is available in SOIC-16 NB (narrow body), SOIC-16 WB (wide body), and LGA-13 (5mm x 5mm) packages.

■UL1577 certified

・SOIC-16 NB: 3kVRMS isolation for 60 seconds ・SOIC-16 WB: 5kVRMS isolation for 60 seconds ・LGA-13: 2.5kVRMS isolation for 60 seconds

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    Isolated, dual-input controlled, high-side/low-side half-bridge gate driver MP18831

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1 Models of Isolated, dual-input controlled, high-side/low-side half-bridge gate driver MP18831

Image Part Number Price (excluding tax) CMTI (min) kV/us Configuration Type Driver Output (V max) Input VDDI (V) Isolation Rating (kVrms) Peak Sink Current (A) Peak Source Current (A) Power Switch Type UVLO (V) Number of channels Package
Isolated, dual-input controlled, high-side/low-side half-bridge gate driver MP18831-Part Number-MP18831

MP18831

Available upon quote

100

Dual-Input Half-Bridge

30

2.8 to 5.5

2.5,3,5

4

4

GaNFET, IGBT, MOSFET, SiCFET

3,5,8,12

2

LGA-13 (5x5), SOIC-16 NB, SOIC-16 WB

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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Isolated Gate Drivers　Monolithic Power Systems, Inc.
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