SCALE-iDriver™ Gate Driver ICs

By Power Integrations 147

SCALE-iDriver™ Gate Driver ICs

Power Integrations' SCALE-iDriver family of gate driver ICs are single-channel IGBT and MOSFET drivers in a standard eSOP package. Reinforced galvanic isolation is delivered using Power Integrations’ innovative solid insulator FluxLink™ technology. Output drive current up to 8 A (peak) enables the product to drive devices up to 450 A (typical) without requiring any additional active components. For higher current switching semiconductors, where the required gate current exceeds the SCALE-iDriver’s standalone capabilities, an external amplifier (booster) may be added. Stable positive and negative voltages for gate control are provided by one unipolar insulated voltage source.

Additional features such as short-circuit protection (DESAT) with advanced soft shut down (ASSD), undervoltage lock-out (UVLO) for primary-side / secondary-side and rail-to-rail output with temperature and process compensated output impedance guarantee safe operation even in harsh conditions. Controller (PWM and fault) signals are compatible with 5 V CMOS logic, which may be adjusted to 15 V levels by using external resistor divider.

Video:  Introduction to SCALE-iDriver

Features
  • Split outputs providing up to 8 A peak drive current
  • Integrated FluxLink technology providing safe isolation between primary-side and secondary-side
  • Rail-to-rail stabilized output voltage
  • Unipolar supply voltage for secondary-side
  • Suitable for 600 V / 650 V / 1200 V IGBT and MOSFET switches
  • Up to 250 kHz switching frequency
  • Low propagation delay time 260 ns
  • Propagation delay jitter ±5 ns
  • -40°C to +125°C operating ambient temperature
  • High common-mode transient immunity
  • eSOP package with 9.5 mm clearance and creepage
Applications
  • Industrial
  • Motor drives
  • Solar

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