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Product description

Product model

Design & development

  • CMS6971B

    CMS6971B is a three-phase 36V gate drive IC for driving P/N MOSFET, and is widely used in low-pressure fan water pumps and other brushless DC motor projects.


    Datasheet >

    CMS6971B integrates 5V LDO with 60mA load capacity to power the on-chip logic and external MCUs. The chip integrates a variety of protect functions such as undervoltage protection, input pass-through protection and start-up protection, and has a built-in 300ns dead time to effectively protect the normal operation. And output 11V drive voltage with excellent sink current to drive external P/N MOSFET work well.

    Features

    > PN MOSFET three-phase gate driver

    > Voltage range: 6.8V~36V

    > Low standby power consumption

    > HO output current +0.49A/-0.08A@VBB2=24V

    > LO output current +0.08A/-0.28A@VBB2=24V

    > Built-in 5V/60mA LDO

    > LDO overload boot protection

    > Built-in power supply voltage undervoltage protection UVLO

    > Built-in pass-through prevention function

    > Built-in 300ns dead time

    > High and low side channel matching

    > 3.3V5V input logic compatible


  • Product model

    Part Number Package Temp Voltage 输入逻辑 VCC 驱动功率管类型 死区时间(ns) 直通防止 输出通道 内置LDO
    CMS6971B SOP16 -20~+85 6.8~36 HIN/LIN 6.5V(UV+)/6.0V(UV-) PN 300 6

  • Design & development

    Documentation
    Name Version Describe Download
    CMS6971B user manual V1.0

    CMS6971B product overview, pin distribution, system block diagram, performance, typical application circuit, package information, etc

    Download >

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