Auto Body System 
Motor System 
Smart office 
White goods 
Digital power supply 
Personal care 
green riding 
Garden tools 
Electric tools 
Fan water pump 
Kitchen appliances 
Smart lighting 
Lithium battery management 
Family medical 
Personal medical 
CCC 
Personal care 
Automotive MCUs 
Brushless DC motors 
High precision measurement 
Wireless connection 
Electromagnetic heating 
High performance and low power consumption 
8-bit microcontroller 
32-bit microcontroller 
RISC-V 
High precision ADC 
Touch 
Display driver 
Motor driver 
Gate driver 
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.
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.
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.
> 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
| Name | Version | Describe | Download |
|---|---|---|---|
| CMS6971B user manual | V1.0 | CMS6971B product overview, pin distribution, system block diagram, performance, typical application circuit, package information, etc |
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