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Home Semiconductor Events

Semiconductor For You by Semiconductor For You
January 20, 2022
in Semiconductor Events
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Munich, Germany – 20 January, 2022 – Battery systems for 48 V are used in multiple, growing market categories including Mild Hybrid Electrical Vehicles, trucks, e-wheelers and battery packs for solar panels. These Li-ion battery systems need to be protected against negative and positive voltages. In addition, these batteries must be able to quickly and reliably disconnect from loads within microseconds, in the event of an overcurrent. Since a battery unit may not be dedicated to one vehicle, status diagnostic and protection threshold configurability are key.

To address these requirements, Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) introduces the EiceDRIVER™ 2ED4820-EM, a smart gate driver with SPI interface. The gate driver is an ideal companion to Infineon’s 80/100 V OptiMOS™ MOSFETs. It is also a perfect option for switching high-current loads in a 48 V board net.

ADVERTISEMENT

This smart, dual-channel high-side gate driver 2ED4820-EM in the EiceDRIVER APD family can tolerate negative voltages at Vbat down to -90 V and voltages up to +105 V. These various voltage conditions could occur during a short circuit or a poor contact connection event. Furthermore, the new device includes a current sense amplifier for high or low-side measurement. The low-side measurement helps reduce cost, PCB space and the overall power dissipation, since the existing shunt resistor of the battery management system can be used. With the two integrated output channels, it is possible to control a dedicated pre-charge path or separate the charging and discharging current path of the battery, further reducing PCB space and overall cost.

Availability

The 2ED4820-EM is in production now. The device is PRO-SIL™ ISO26262-ready and comes with a safety application note to facilitate the usage in functional-safety applications. To accelerate the design-in process, an evaluation board and a reference board equipped with the EiceDRIVER APD 2ED4820-EM are available for order. More information and simulation models are available here. For easy integration, a training video is also accessible.

More information about Infineon’s contribution to energy efficiency: www.infineon.com/green-energy.

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Tags: automotiveElectric VehiclesInfineonMOSFETSSemiconductors
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Infineon expands Prime Switch family with ultra-reliable Press Pack IGBT

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