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Renesas Electronics Corporation

Electric Toothbrush with UV Sanitation

Overview

Description

With growing consumer awareness and demand for hygiene, convenience, and advanced oral care technology, the market need for electric toothbrushes continues to grow. Electric toothbrushes enable more effective cleaning for plaque removal and the promotion of gum and oral health. Since toothbrushes are often stored in bathrooms, environments prone to bacteria and viruses, ultraviolet light (UV) sanitization can effectively kill these germs and promote hygiene, reducing the risk of reintroducing bacteria into the mouth and thus enhancing oral health.

This system comprises a toothbrush base and handle. The toothbrush base integrates an MCU to drive a UV light for disinfecting and charging the toothbrush. The toothbrush handle monitors battery life to alert the user when charging or cleaning is required, while NFC readers verify the use of authentic brush heads to ensure quality and performance. This innovative electric toothbrush is designed to provide unparalleled oral hygiene and peace of mind for health-conscious consumers.

System Benefits:

  • The system monitors the number of uses between sanitization cycles to enhance hygiene management and prolong the brush head's lifespan.
  • Users are alerted when the brush needs to be cleaned or charged.
  • Wireless charging and communication between the handle and base eliminate cables and wires, enhancing the user experience.
  • An NFC reader for brush head authentication ensures high-quality performance and prevents the use of counterfeit brush heads.
  • Low-power components extend the operation time between charges.

Comparison

Applications

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WEB: US270LineConnector Arrow.389Line.363Line.360Connector Line.227Line.125Connector ArrowConnector Line.131Connector LineConnector Line.132Connected signals lineHVPAKHVPAKHVPAKMotorSheet.386Sheet.387MMLine Arrow.393Line Arrow.394Line Arrow.3953.3V/100mA3.3V/100mA3.3V/100mAConnector Line.216Sheet.2Transformer Inductor Iron CoreLine.841Inductor Air Core.212Sheet.6Sheet.7Sheet.8Sheet.9Sheet.10Sheet.11Sheet.12Sheet.13Sheet.14Line.29Line.189Line.190Sheet.18LineLine.90Line.94AC Power Source.184Sheet.23Alternating CurrentRectangleTransformerLine.841Inductor Air Core.509Sheet.29Sheet.30Sheet.31Sheet.32Sheet.33Sheet.34Sheet.35Sheet.36Sheet.37Line.29Inductor Air Core.212Sheet.40Sheet.41Sheet.42Sheet.43Sheet.44Sheet.45Sheet.46Sheet.47Sheet.48Buck RegulatorBuck RegulatorBuck RegulatorDual componentComponent block.631NFC ReaderNFC ReaderNFC ReaderSPST NO SwitchSheet.55Sheet.56Sheet.57Sheet.58Sheet.59Sheet.60Toothbrush Head NFC TagToothbrush Head NFC TagToothbrush Head NFC TagSheet.62Bridge Rectifier.191Sheet.64Sheet.65Sheet.66Sheet.67Sheet.68Sheet.69Sheet.70Sheet.71Sheet.72Sheet.73Sheet.74Sheet.75Sheet.76Sheet.77Sheet.78Sheet.79LineLine.98Line.99Line.100Bi-directionalVertical Wire Bundle444Sheet.90Bi-directional.1123.3V3.3V3.3VSheet.95Resistor - FixedLine.117Diode LED GreenSheet.99Sheet.100Sheet.101Sheet.102Darlington.651Sheet.104Darlington.254Sheet.106Sheet.107Sheet.108Diode LED RedSheet.110Sheet.111Sheet.112Sheet.113Darlington.651Sheet.115Darlington.254Sheet.117Sheet.118Resistor - Fixed.104Line.119Connected signals line.125Connected signals line.1273.3V/2mA Intermittent Duty3.3V/2mA Intermittent Duty3.3V/2mA Intermittent DutyConnector dotted double arrowUV LEDUV LEDUV LEDConnector Arrow.138NFC ChargerNFC ChargerNFC ChargerBi-directional.143Sheet.148Transformer Inductor Iron CoreLine.841Inductor Air Core.212Sheet.152Sheet.153Sheet.154Sheet.155Sheet.156Sheet.157Sheet.158Sheet.159Sheet.160Line.29Line.189Line.190NFC ListenerNFC ListenerNFC ListenerBuck-BoostBuck-BoostBuck-BoostSheet.175Resistor - FixedLine.117Diode LED GreenSheet.179Sheet.180Sheet.181Sheet.182Darlington.651Sheet.184Darlington.254Sheet.186Sheet.187SPST NO Switch.197Sheet.198Sheet.199Sheet.200Sheet.201Sheet.202Sheet.203Connector Arrow.204Sheet.206Battery 1-CellSheet.190Sheet.191Line 1pt.1552Line 1pt.1583GroundSheet.195Sheet.196Line.205Connected signals line.207Resistor - FixedResistor - Fixed.209Connector Line.210GroundSheet.213Sheet.214Bi-directional.218Vertical Wire Bundle.220 222Sheet.2223.7V3.7V3.7VConnected signals line.224Connector 1.160Connector Arrow.226Sheet.261Diode - LEDSheet.243Sheet.244Sheet.245Sheet.246Sheet.247Darlington.651Sheet.249Darlington.254Sheet.228Resistor - FixedLine.117Connected signals line.241Sheet.262Diode - LEDSheet.264Sheet.265Sheet.266Sheet.267Sheet.268Darlington.651Sheet.270Darlington.254Sheet.272Resistor - FixedLine.117Connected signals line.241Sheet.276Diode - LEDSheet.278Sheet.279Sheet.280Sheet.281Sheet.282Darlington.651Sheet.284Darlington.254Sheet.286Resistor - FixedLine.117Connected signals line.241Sheet.290Diode - LEDSheet.292Sheet.293Sheet.294Sheet.295Sheet.296Darlington.651Sheet.298Darlington.254Sheet.300Resistor - FixedLine.117Connected signals line.241Sheet.304Diode - LEDSheet.306Sheet.307Sheet.308Sheet.309Sheet.310Darlington.651Sheet.312Darlington.254Sheet.314Resistor - FixedLine.117Connected signals line.241Sheet.318Diode - LEDSheet.320Sheet.321Sheet.322Sheet.323Sheet.324Darlington.651Sheet.326Darlington.254Sheet.328Resistor - FixedLine.117Connected signals line.241Sheet.332Diode - LEDSheet.334Sheet.335Sheet.336Sheet.337Sheet.338Darlington.651Sheet.340Darlington.254Sheet.342Resistor - FixedLine.117Connected signals line.241Line.361Line.366Line.367Line.368Connector 1.160.369Connector 1.160.370Line.371Connector 1.160.372Line.373Line.374Line.375Line.376Connector 1.160.377Connector 1.160.379Connector 1.160.380Connector 1.160.381 NFC ReaderNFC ReaderNFC ReaderBrush Head NFC TagBrush Head NFC TagBrush Head NFC TagBi-directional.390Connector dotted double arrow.391Vertical Wire Bundle.397 444Sheet.399Vertical Wire Bundle.402222Sheet.404 3.3V/2mA Intermittent Duty3.3V/2mA Intermittent Duty3.3V/2mA Intermittent DutyLine Arrow.4063.3V/500mA3.3V/500mA3.3V/500mA 3.3V/12mA3.3V/12mA3.3V/12mAToothbrush HandleToothbrush HandleToothbrush HandleUS270US270US270LED DriverLED DriverLED Driver 3.3V3.3V3.3VLine Arrow.414Toothbrush BaseToothbrush BaseToothbrush BaseSheet.416MCUMCUMCUAVccAVccAVccVINVINVINSPI x2SPI x2SPI x2GPIOGPIOGPIOGPIOGPIOGPIOGPIOGPIOGPIOGPIOGPIOGPIOSPISPISPISheet.417 MCUMCUMCUAVccAVccAVcc VDDVDDVDD I2CI2CI2CGPIO x8GPIO x8GPIO x8 SPISPISPI PWMPWMPWM GPIO x2GPIO x2GPIO x2ADCADCADC I2CI2CI2C
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