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Future electronics technology in e-bike mobility

29/07/2022

Typically, e-bike mid-mounted motors are driven by an electric motor and a combination of gears and planetary gears, which makes this type of mid-mounted motor clunky, heavy and noisy. More moving parts also mean more things that can break and act as a source of noise. TQ Group’s developed a lightweight and extremely compact motor design around the bottom bracket, consisting of only a few parts and making the motor virtually invisible. By dispensing with additional gears that cause friction, noise, wear and potential sources of error, the drive unit could be made even more efficient.

Main Features

The complete system consists of

  • the HPR50 Drive Unit with HPR technology
  • a battery with a capacity of 360 Wh and a weight of 1835 g
  • a fully integrated 2″ display for the handlebar
  • a minimalist remote control unit.

The drive offers 300 W of power and 50 Nm of torque.

Tech question
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Future electronics technology in e-bike mobility

  • Features
  • Applications
  • Technologies
  • Manufacturer
Battery

The BATTERY with 360 Wh was specifically developed for the HPR50 Drive Unit and combines maximum efficiency with a compact form. Thanks to the low weight of only 1,830 g, the kinematics of an analog bike can be retained.

Display

The DISPLAY is perfectly integrated into the frame and acts as the control center. Even in adverse lighting conditions it provides all the important information about the status of the battery, the selected riding mode, the available range and much more. With ANT+ connection you can easily connect your smartphone or bike computer.

Remote

The REMOTE gives you full control over the HPR50 system without the need to take your hands off the handlebars. It provides an intuitive and easy way to switch between the three support modes and the information shown on the display. In case the climb get’s especially steep, the walk mode supports you on the last meters to the summit.

Range extender

Only the size of a 500 ml water bottle, the lightweight Range Extender integrates nicely into the frame of your e-bike and easily fits into any standard bottle cage. Thanks to its Dual Charge Port, the Range Extender can be charged simultaneously with the main battery without the need to be removed from the frame. With a capacity of 160 Wh, the Range Extender has enough energy to extend your after-work laps to an epic all-day ride.

Applications & Markets

  • 23 E mobility

    E-Mobility

Technologies

  • Shutterstock 2126267423

    Power semi & modules

  • Shutterstock 585356870 Converted

    Batteries

  • 48 shutterstock 1642185091

    Motion/motor control

TQ

TQ offers Embedded Modules and systems based on ARM, x86, QorIQ Layerscape or Power Architecture in the form of embedded modules, Single Board Computers, Industrial PCs, modular solution platforms and finished systems.

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Pexels thisisengineering 3913017

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