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Motor Drives for Pumps & Fans

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Fuel pump

The fuel pump ECU is generally placed outside the fuel tank, while the pump itself is located within. This results in long wires between the ECU and the motor and this, in turn, calls for slow switching speeds to minimize EMI. As slow switching results in higher power dissipation, designers have to strike the right balance between switching speed and dissipation.

Furthermore, ECU cooling presents its own design challenges because the fuel pump runs continuously and the ECU is often positioned below the rear seat, where it has limited cooling capabilities. Infineon’s integrated half-bridge NovalithIC™ are an ideal solution to address these challenges.


Medium integration level: Integrated high-current half-bridge

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The integrated high-current half-bridge NovalithIC™ is the ideal way to minimize power dissipation for a given target switching time / slew rate. By following the slew rate specifications in the data sheet and selecting the value according to the individual EMI requirements, designers can achieve the lowest “worst case” power dissipation value (compared with a discrete MOSFET).

With only one single cooling area both the high-side and low-side current switching can be covered. Furthermore, NovalithIC™ comes with overtemperature shutdown and latch behavior to protect the MOSFETs thermally. Thanks to the thermal feedback, NovalithIC™ also enhances switching speeds for lower switching losses.

Product highlights

NovalithIC™ half-bridge


AURIX™ microcontroller

SAK-TC397XP-256F300S BC

XENSIV™ Hall sensor


System Basis Chips (SBC)




System Basis Chips (SBC)

TLE9461-3ES (optional)

OPTIREG™ power supply

TLE850F0TA V50

Innovative boards to enhance product development

EBV - Infineon Motor Drives and Pumps - Fuel 1 Mixed Media (MM)

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DC motor control shield with BTN8982TA for Arduino

The DC motor control shield from Infineon technologies is one of the first high current motor control boards being compatible to Arduino as well as to Infineon’s XMC1100 Boot Kit. The DC motor control shield is capable to drive two uni-directional DC motors (half bridge configuration) or one bi-directional DC motor (H-Bridge configuration).

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EBV - Infineon Motor Drives & Pumps - Board 2 Mixed Media (MM)

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AURIX™ 2G TC397_3.3V_TFT general purpose evaluation board

With this general purpose AURIX™ 2G TC397_3.3V_TFT evaluation board, customers can quickly start to develop, evaluate and test their software. The board features various communication interfaces such as CAN FD, Gigabit Ethernet, SPI, FlexRay as well as an LCD XGA Display 320x240. 

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