Power Electronics / Power Management


Single-channel IGBT drivers

14 June 2017 Power Electronics / Power Management

Power Integrations announced an expansion of its SCALE-iDriver family of galvanically isolated single-channel gate driver ICs. The new devices support IGBT blocking voltages up to 1700 V, which are generally used in 400 V a.c. and 690 V a.c. line applications.

They are also ideal for the latest three-level topology photovoltaic inverters and for photovoltaic arrays leveraging the new 1500 V d.c. bus standard.

1700 V SCALE-iDriver ICs, optimised for driving both IGBTs and MOSFETs, combine Power Integrations’ FluxLink magneto-inductive bidirectional communications technology with its SCALE power device driver technology. FluxLink eliminates the need for unreliable opto-electronics and the associated compensation circuitry, thereby enhancing operational stability while reducing system complexity, and SCALE technology incorporates all key gate driver functions into an ASIC, reducing size and improving reliability while simplifying design.

The innovative eSOP package features greater than 9,5 mm of creepage and a CTI of 600, ensuring substantial operating voltage margin and high system reliability. The driver ICs can be operated from -40°C to +125°C and at frequencies of up to 75 kHz. The family meets the upcoming requirements of IEC 60747-17 and VDE 0884-17. Devices feature desaturation (short circuit) protection with Advanced Soft Shut Down (ASSD) functionality, providing reliable and easy-to-implement protection to the power switch.

1700 V SCALE-iDriver ICs deliver a gate current of up to 8 A and support systems of over 110 kW without an external booster, or up to 30 A gate current and over 400 kW with an external booster. They suit applications in industrial drives, power supplies/UPS, photovoltaic inverters of all sizes, industrial HVAC, EV charging and traction equipment including commercial EVs.



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