Infineon introduced the EiceDRIVER 2ED2410-EM with the High-voltage Side Gate Driver
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Update time : 2022-09-27 10:42:19
At present, advanced smart cars are commonly equipped with advanced driver assistance systems (ADAS). ADAS applications are key to achieving automotive active safety and must be highly available. In contrast, the implementation of autonomous driving technology is more challenging, because the automatic driving function requires that the emergency operation of the vehicle itself is also completed in the event of a failure. This places higher demands on automotive power distribution systems, requiring the introduction of safety elements to ensure rapid fault isolation of the system within 100 microseconds. Since fuses cannot meet this requirement, partial or comprehensive electrification of automotive power distribution systems needs to be considered. In addition, there will be more and more applications on smart cars that can improve driver and passenger comfort.
Power distribution systems power these applications, allowing electrical energy to flow from the battery or motor to the various loads in the car in a highly safe and controlled manner. One of the biggest challenges designers face today is reducing the cost, length, weight and complexity of wiring harnesses. To help designers solve this challenge, Infineon Technologies AG (FSE: IFX / OTCQX CODE: IFNNY) has introduced the EiceDRIVER™ 2ED2410-EM gate driver with integrated line protection for 12 V / 24 V automotive applications, the ideal companion for Infineon's 40/60 V OptiMOS™ MOSFET. The gate driver has two output channels and is suitable for two different MOSFET architectures: a common source stage with a precharge path or a common drain back-to-back configuration. The enhanced driver switching function makes it easy to increase the number of MOSFETs in order to control a larger load current. It can quickly disconnect even when the current reaches hundreds of amperes, whereas conventional fuses wait a few milliseconds to disconnect. In addition, the device is capable of operating at voltages as low as 3V from short circuit to disconnection of fault loads. With three analog measurement interfaces and four integrated comparators for protection, the EiceDRIVER 2ED2ED2410-EM provides a flexible and rich solution to meet a variety of functional requirements, including adjustable I-t line protection, overcurrent protection, over/undervoltage protection, and more. It can measure bidirectional currents and monitor leakage voltages, determine if the load at the output is open, and so on. The adjustable line protection function helps to select the smallest possible wire section for the corresponding load. In the past, considering the tolerances and aging effects of conventional fuses, wire diameters had to be up to 30% more than actually needed. The device features a very low quiescent current consumption of a few tenths of a microamper, which minimizes the automatic discharge of the battery when the vehicle is parked.
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