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PREMO Unveils GDAU Series: Advanced Gate-Drive Transformers for EV and Power Electronics

PREMO Unveils GDAU Series: Advanced Gate-Drive Transformers for EV and Power Electronics

As the automotive industry continues its rapid shift toward electric mobility and high-efficiency power conversion, PREMO introduces the GDAU series — a high-performance lineup of Gate-Drive Transformers designed to meet the stringent requirements of today’s automotive and industrial power electronics.

⚙️ What Are Gate-Drive Transformers?

Gate-drive transformers play a crucial role in high-frequency switching systems by transferring control signals from low-voltage circuits to high-voltage transistors such as MOSFETs, IGBTs, and thyristors. These components provide galvanic isolation between the control and power stages, enabling:

  • Reliable, noise-free switching
  • Electrical safety
  • Compact, high-speed operation

They are widely used in:

  • DC-DC converters
  • EV/PHV inverters
  • Power factor correction (PFC) stages
  • Motor drives
  • Battery management systems (BMS)

🚗 Introducing the GDAU Series by PREMO

The GDAU series has been engineered specifically for high-efficiency, space-constrained automotive environments, offering high reliability across a wide temperature range and supporting various topologies including forward, push-pull, and thyristor control.

🔧 Product Highlights

GDAU–001

  • Application: EV/PHV onboard SMPS
  • Frequency: 90–125kHz
  • Turns Ratio: 1:1+1
  • Isolation Voltage: 3kV
  • Temp Range: –40°C to +155°C

GDAU–002

  • Application: Automotive inverters
  • Frequency: 120–160kHz
  • Turns Ratio: 1:1:5
  • Working Voltage: 1000Vdc
  • Volt-Time Product: 16Vµs

GDAU–003

  • Application: Thyristor control in PFC stages
  • Turns Ratio: 2:1
  • Volt-Time Product: 200Vµs
  • Compact, high-reliability design

GDAU–004

  • Application: BMS, push-pull drives
  • Turns Ratio: 1:1:1.3:1.3
  • Isolation Voltage: 3kV
  • Volt-Time Product: 11Vµs

GDAU–005

  • Application: IGBT control in xEV inverters
  • Frequency: 120–160kHz
  • Turns Ratio: 5:1
  • Designed for: Forward drive topologies

🧲 Driving the Future of Automotive Power Electronics

Gate-drive transformers are more critical than ever due to the rise of:

  • SiC and IGBT-based power stages in EVs
  • Miniaturized high-efficiency inverters
  • High-isolation requirements for advanced BMS and converters

The GDAU series supports these trends with components that deliver low switching losses, high thermal stability, and EMC compliance — all within compact SMD formats.

Why Choose PREMO's GDAU Series?

  • 🔹 Wide frequency range: 90–160kHz
  • 🔹 High isolation up to 3kV
  • 🔹 Optimized for forward, push-pull, and thyristor topologies
  • 🔹 Automotive-grade performance from –40°C to +155°C
  • 🔹 Space-efficient SMD design for high-density power platforms

Whether you’re designing an inverter, motor drive, or a next-gen battery system, the GDAU series provides the performance and reliability needed to power future mobility.

🌍 About PREMO

PREMO is a global leader in magnetic component innovation, with over 55 years of experience serving the automotive, industrial, and IoT sectors. The company’s portfolio includes transformers, chokes, antennas, and sensors — all engineered to meet the demands of next-generation electronic systems.

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