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OverviewAll applicationsCategoryE-MobilityApplicationLight Electric Vehicle
OverviewAll applicationsCategoryE-MobilityApplicationLight Electric Vehicle

Light Electric Vehicle

Component selectionDesign tips

Characteristics

Light electric vehicles (LEV) have become an important factor in road transport.

E-bikes were the first real e-mobility application being produced in millions of units. People enjoy the extra power from the motor enabling them to make longer and much more relaxed bike tours especially in hilly areas.

Since then many other types of light electric vehicles have ramped up quickly, e.g. electric kickscooters or electric scooters.

Miniaturization of electronic components with high performance was the first step that enabled lightweight vehicles and high ranges at the same time.

Würth Elektronik develops and manufactures electronic and electromechanical components for a wide range of these applications. Swipe over the plusses, to learn more about electronic products insight light electric vehicle.

Application Notes

Top Sellers for E-Bikes

WE-MAPI SMT Power Inductor

Characteristics

  • Magnetic iron alloy allows high rated currents
  • Compact design
  • Magnetically shielded
  • High current capability and handles high transient current spikes
  • Low acoustic noise and low leakage flux noise
  • AEC-Q 200 qualified
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WE-CMB Common Mode Power Line Choke

Characteristics

  • Broadband filtering due to low capacitance winding technique
  • High suppression of asymmetrical interferences also at low frequency range
  • Very compact design
  • Highest possible rated current by small size
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WE-VD Disk Varistor

Characteristics

  • Low clamping voltage
  • After a surge impulse the varistor works immediately in normal mode so there is no slip current
  • Excellent absorption at surge impulses
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WE-MPSB EMI Multilayer Power Suppression Bead

Characteristics

  • Specified peak current capability
  • Ultra low RDC
  • High rated current up to 10.5 A
  • Operating temperature: -55 °C to +125 °C
  • AEC-Q200 qualified
To the product

WE-MAPI - The Most Efficient Power Inductor

Stay cool, be MAPI!

Efficient Power Inductor

The WE-MAPI is one of the world’s smallest metal alloy power inductors. It’s efficiency is outstanding and now available in new sizes and extended temperature versions with AEC-Q200 Grade 0 qualification for -55° to +150 °C operation temperature in the 4020HT series.

The power inductor was developed for the latest and upcoming switching regulator generations. It impresses with its innovative metal-alloy core material. The frameless design with direct wire connection significantly increases the effective magnetic volume and thus also the power density.

The innovative design in detail

Leadframe free design for best coplanarity
Leadframe free design for best coplanarity
No solder or welding joints for highest reliability
No solder or welding joints for highest reliability
Greatest core utilization for highest current handling
Greatest core utilization for highest current handling
Reduced parasitic capacitances for lowest AC losses
Reduced parasitic capacitances for lowest AC losses
Self-shielding construction for best EMI performance
Self-shielding construction for best EMI performance
Protective coating for perfect robustness
Protective coating for perfect robustness

Advantages at a glance

Lowest AC & DC losses

Buck: 24 V to 12 V @ 2 A, 500 kHz, 2.2 µH
Buck: 24 V to 12 V @ 2 A, 500 kHz, 2.2 µH

Excellent temperature stability

AC & DC Loss @ 500 kHz
AC & DC Loss @ 500 kHz

Innovative Metall Alloy Core Material

Improved core utilization
Improved core utilization

REDEXPERT loss simulation

Find the best inductor!

REDEXPERT has the world’s most accurate AC loss model, which even includes the DC-bias current. With dedicated DC-DC topologies or the generic loss simulator, you can accurately determine the AC and DC losses for your converter. The model includes the core material, shape and winding structure of the inductor. REDEXPERT recommends suitable inductors and allows you to add more filters to find the best inductor for your application.

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