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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

      > 3.3V、5V input logic compatible


    • Product model

      Part Number Package Temp Voltage Input Logic VCC（UV+/UV-） Type of drive power transistors Dead time (ns) Straight-through prevention Output channel Built-in 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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