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Cordless Leaf Blower

Overview

Description

Cordless gardening tools, like leaf blowers, are gaining popularity due to their convenience, environmental benefits, and safety compared to wired versions. They are ideal for both residential and commercial lawn and landscape maintenance. This 20V cordless leaf blower system features a rechargeable battery and smart motor control, offering adjustable speeds to optimize usage and extend battery life. Its versatile design adapts to other cordless gardening tools, such as cordless lawn mowers and string trimmers.

System Benefits:

  • MCUs provide the industry's lowest current consumption in a compact size, reducing the tool's size and weight for enhanced energy efficiency and ease of use.
  • The smart gate driver ensures high efficiency, accuracy, and superior safety features, enabling longer use and high product performance.

Comparison

Applications

Block Diagram

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4:3 ratioMOSFETMOSFETMOSFETMOSFETSheet.187Sheet.188Sheet.189Sheet.190Sheet.191Sheet.192Sheet.193Sheet.194Sheet.195Sheet.196Connector 1.299Connector 1.300Sheet.199Connector 1.307Sheet.201Sheet.202Sheet.203Sheet.204Sheet.205Sheet.206Sheet.207Sheet.208Sheet.209Sheet.210Connector 1.321Connector 1.322Sheet.213Connector 1.324Sheet.215Sheet.216Sheet.217Sheet.218Sheet.219Sheet.220Sheet.221Sheet.222Sheet.223Sheet.224Connector 1.337Connector 1.338Sheet.227Sheet.228Sheet.229Sheet.230Sheet.231Sheet.232Sheet.233Sheet.234Sheet.235Sheet.236Sheet.237Connector 1.353Connector 1.354Sheet.240Connector 1.357Sheet.242Sheet.243Sheet.244Sheet.245Sheet.246Sheet.247Sheet.248Sheet.249Sheet.250Sheet.251Connector 1.369Connector 1.370Sheet.254Connector 1.373Sheet.256Sheet.257Sheet.258Sheet.259Sheet.260Sheet.261Sheet.262Sheet.263Sheet.264Sheet.265Connector 1.385Connector 1.386Sheet.268Connector 1.308Sheet.270Connector 1.325Sheet.272Connector 1.341Sheet.274Sheet.275Sheet.1Sheet.2Sheet.3Sheet.4US086US086US086Ground (earth)Sheet.47Sheet.48Sheet.49Sheet.50GroundSheet.52Sheet.53Resistor - Fixed Battery PackBattery PackBattery PackSheet.57Sheet.58Sheet.59Sheet.60Sheet.61Sheet.62Sheet.63Sheet.643.3V3.3V3.3V 5555Sheet.68 5 555Sheet.71Sheet.72Sheet.73Sheet.74Sheet.75Non-Renesas ComponentSheet.77Sheet.78Sheet.79Sheet.80Sheet.81Sheet.82Darlington.651Sheet.84Darlington.254Sheet.86Sheet.87Sheet.88Speed ControlSpeed ControlSpeed ControlTo Battery Pack -To Battery Pack -To Battery Pack -Sheet.91Sheet.92Sheet.93Sheet.965V/8.9mA5V/8.9mA5V/8.9mAnFaultnFaultnFault 2 222Sheet.101nSMPL, ENnSMPL, ENnSMPL, EN 4 444Sheet.105Gate ControlGate ControlGate ControlGround.217Sheet.110Sheet.111 18V18V18VSheet.113Sheet.114Sheet.115Sheet.116Sheet.117Sheet.118Sheet.119Sheet.120Sheet.121Sheet.122Sheet.123Sheet.124Connector 1.172 5V5V5VSheet.1275V/160mA5V/160mA5V/160mASheet.1296 666Sheet.132Sheet.136Sheet.137Sheet.138Sheet.139Resistor - Fixed.247TTTSheet.142Sheet.143Sheet.144 3 333Sheet.147Sheet.148 3 333Sheet.151Sheet.152 3 333Sheet.155BLDC MotorSquare.40Inductor.10Sheet.159Sheet.160Sheet.161Inductor.14Sheet.163Sheet.164Sheet.165Inductor.18Sheet.167Sheet.168Sheet.169Dynamic connectorDynamic connector.27Dynamic connector.25SquareSheet.174Square.41Sheet.176Sheet.177Sheet.178Sheet.179Sheet.180Sheet.181Sheet.182Sheet.183Sheet.184Sheet.185Connector 1.297Sheet.276Sheet.277Sheet.278Sheet.279Sheet.280To Battery Pack +To Battery Pack +To Battery Pack +Battery Pack +Battery Pack +Battery Pack +VPACKVPACKVPACK18V18V18V5V/50µA5V/50µA5V/50µAMCUMCU 1MCUMCUGPIOGPIOGPIO10-Bit ADC10-Bit ADC10-BitADC GPIOGPIOGPIOI2CI2CI2CBattery PackBattery Pack MonitorBattery Pack MonitorBattery Pack MonitorVCVCVC I2CI2CI2CCBCBCBSheet.288MCU 2MCUMCU VCCVCCVCC INTPINTPINTPGPOGPOGPOSPISPISPIADC/CMPADC/CMPADC/CMPINTPINTPINTP GPIOGPIOGPIO PWMPWMPWM ADCADCADCADCADCADCSheet.289Smart Gate DriverSmart Gate DriverSmart Gate DriverGate Control LogicGate Control LogicGate Control LogicGate DriverGate DriverGate Driver LDOLDOLDOInterfaceInterfaceInterfaceSense Block with BEMF AmpSense Block with BEMF AmpSense Block with BEMF AmpSheet.94Sheet.95Current SenseCurrent SenseCurrent Sense BEMF INTBEMF INTBEMF INTResistor - Fixed.242Sheet.134Sheet.135Battery.27Sheet.323Sheet.324Sheet.325Battery.326Sheet.327Sheet.328Sheet.329Connector ArrowBlower Tool BlockBlower Tool BlockBlower Tool BlockConnector 1.172.334
Exiting Interactive Block Diagram

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