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E-Bike System

Overview

Description

Electric bikes (e-bikes) have become a common mode of transportation on city streets. Over the past decade, manufacturers have consistently produced over 20 million e-bikes annually. Due to this high demand, there is a need for comprehensive solutions that offer high reliability and innovative features, such as advanced battery management systems (BMS) for controls and electronic locks.

This versatile design can incorporate a combination of advanced MCUs, power, and BMS devices, providing a complete and scalable solution for any type of e-bike, along with new and innovative features.

System Benefits:

  • Arm® Cortex®-M MCUs offer mature system support with comprehensive motor control algorithms compatible with both square and sinewave drivers.
  • A high-accuracy battery charge monitor enhances energy utilization, extending travel distances per charge and increasing bike reliability for longer journeys.

Comparison

Applications

Block Diagram

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4:3 ratioConnector Arrow.189Connector Arrow.179Connector Line.182Sheet.1Sheet.2Sheet.3Sheet.4CN023CN023CN023Half-Bridge Driver x3Half-Bridge Driver x3Half-Bridge Driver x3ChargerChargerChargerSpeed LimitSpeed LimitSpeed LimitLi-ion Battery ManagerLi-ion Battery ManagerLi-ion BatteryManagerPWM Controller 1PWM ControllerPWM ControllerPWM Controller 2PWM ControllerPWM ControllerGround (earth)Sheet.81Sheet.82Sheet.83Sheet.84Non-Renesas Component.14Sheet.97Line 1pt.1583Sheet.85Sheet.86Sheet.87Sheet.88Sheet.19Sheet.20Sheet.23Sheet.24Sheet.92Sheet.93Sheet.94Sheet.95Line 1pt.96MCU/MPU Main MCU/Hall SensorMCU/MPU Main MCU Hall SensorMCU/MPU· Main MCU· Hall SensorOthers MOSFET DriverOthers MOSFET DriverOthers· MOSFET DriverBLDC / MOSFETBLDC MOSFET· BLDC· MOSFET + +BrakeBrakeBrakeBackingBackingBackingPG IndicatorPG IndicatorPG IndicatorCurrent/Speed FeedbackCurrent/Speed FeedbackCurrent/SpeedFeedbackHall SensorHall SensorHall SensorMotorSheet.139Sheet.140MMConnector Line.155Connector ArrowConnector Line.163Connector Line.164Connector Line.165Connector Line.169Connector Line.170Connector Line.172Connector Line.173Connector Arrow.174Connector Arrow.176Connector Line.177Connector Line.178Connector Arrow.181Connector Line.183Connector Line.184Connector Line.185Connector Line.186Connector 1Connector 1.188Connector Arrow.190Connector Line.191Connector Arrow.192Connector Line.193Connector Arrow.194Connector Arrow.196BLDCBLDCBLDC50V50V50V5V Out5V Out5V Out12V Out12V Out12V Out36V36V36VMCUMCUMCUMCUGPIOGPIOGPIOPWMPWMPWM12-bit ADC12-bit ADC12-bitADCMOSFET x6MOSFET x6MOSFET x6Connector Arrow.211Connector Arrow.212Sheet.21336V VIN36V VIN
Exiting Interactive Block Diagram

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