Infineon sets new benchmarks for gate driver ICs

Article By : Infineon Technologies AG

Infineon's new EiceDRIVER 2EDN devices provide higher system-level efficiencies and excellent power density with fewer external components.

Targeted at space-limited designs, Infineon Technologies AG’s new EiceDRIVER 2EDN devices complement the existing 2EDN driver ICs by providing higher system-level efficiencies, excellent power density, and consistent system robustness with fewer external components. Building upon this expansion, the 2EDN family is now able to drive the power switch device performance in applications such as servers, telecom, DC-DC converters, industrial SMPS, EV charging stations, motor control, low-speed light electric vehicles, power tools, LED lighting, and solar energy systems.

The new EiceDRIVER 2EDN family comprises robust dual-channel low-side 4A/5A gate driver ICs. It is targeting not only fast power MOSFETs but also wide bandgap (WBG) switching devices. The gate drivers enable engineers to meet their design requirements in many different package sizes, ensure safe turn-off before under-voltage lock-out (UVLO) and achieve faster UVLO reaction for robust operation and noise immunity.

The 14 new devices come in a broad range of packages. Besides the well-known 8-pin DSO, TSSOP, and WSON package options that allow compatibility and drop-in replacement, Infineon now offers the world’s smallest 6-pin SOT23 package (2.8-by-2.9mm) and TSNP package (1.1-by-1.5mm) variants. SOT23 and TSNP packages eliminate the enable (EN) signal, which frequently is not used. As a result, they are able to offer the perfect balance for space-limited designs leading to higher power density and higher Temperature Cycling on Board (TCoB) robustness.

Designers can choose between 4V and 8V UVLO options for instant power switch protection under abnormal conditions. Essentially, the new products bring better UVLO filtering time, a faster wake-up from UVLO off status and more than two times faster UVLO reaction from start-up and burst mode. Moreover, they feature high precision, accurate rail-to-rail outputs, and fast active output clamping at VDD = 1.2V, typically clamping in just 20ns for extra robustness.

 

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