Isolated EiceDRIVER 2L-SRC optimising system efficiency

4th May 2021
Alex Lynn

Highest efficiency is a key requirement for today’s power electronics. Therefore, Infineon Technologies has introduced its latest isolated EiceDRIVER 2L-SRC Compact (1ED32xx) gate driver family in a compact form factor.

The gate driver family comes in an 8mm wide-body package to ensure easy design-in and integrates a two-level slew rate control, which significantly improves system efficiency. With high voltage and high safety capabilities, the product family is suitable for applications with demanding isolation requirements, such as 1,700V industrial drives. Furthermore, it is a match for applications including solar systemsuninterruptible power supplies and EV charging.

The 1ED32xx family optimises the gate driver circuit to balance the reduction of dv/dt and electromagnetic interference (EMI) during start-up and light-load operation, as well as minimises switching losses during high-load operation. The slew rate can be adapted on-the-fly during operation, enabling system output power to be optimised without changing the BOM and without compromising EMI behavior.

The gate driver family provides driving currents of ten and 18A. It also includes a Miller clamp that is highly recommended for power switches that use 0 V turn-off to avoid parasitic turn-on. With voltage ratings up to 2,300V, it supports power switches far beyond 1,200V blocking voltage. Furthermore, UL 1577 and VDE 0884-11 (reinforced isolation) certificates ensure superior application safety and guarantee long operating life.

The EiceDRIVER 2L-SRC Compact family can be ordered now, the evaluation boards EVAL-1ED3241MX12H and EVAL-1ED3251MX12H will be available soon.

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