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Power Integrations

Power Integrations TOPSwitchGaN | Power Integrations

TOPSwitchGaN series from Power Integrations

Power Integrations TOPSwitchGaN Series Overview

GaN-based integrated flyback power IC achieving highest power density.

The TOPSwitchGaN from Power Integrations is a GaN-based integrated flyback power IC achieving highest power density. This series includes 6 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the TOPSwitchGaN integrates key power components to minimize external component count, reduce board space, and simplify the design process. these devices help engineers meet increasingly stringent energy-efficiency standards while reducing time to market.

Octatronics stocks TOPSwitchGaN variants in multiple package options. Request a quote for volume pricing, check real-time availability, or contact our engineering team for application support and alternative part recommendations.

Key Features

  • Highest IntegrationPrimary, secondary, and feedback circuits integrated on a single IC, reducing external component count by up to 50%.
  • Up to 100W Output PowerSupports output power up to Up to 100W with excellent load and line regulation.
  • Comprehensive Protection SuiteIntegrated over-voltage, over-current, over-temperature, and short-circuit protection eliminates external protection circuitry.
  • Ultra-Low No-Load PowerAdvanced burst-mode operation achieves <30mW no-load power consumption, meeting the strictest standby regulations.
  • Simplified Design ProcessReference designs, PI Expert design software, and application notes accelerate time-to-production.

Target Applications

  • Ultra-compact chargers
  • GaN adapters
  • Space-constrained power
  • Premium consumer electronics

Technical Specifications

Compare key TOPSwitchGaN specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Power Specifications

Output Power
Up to 100W
Input Voltage Range
85–265 VAC (universal input)
Peak Efficiency
>90%
No-Load Power
<30 mW

Safety & Compliance

Safety Certifications
UL, IEC 62368-1
EMI Standard
EN 55032 Class B
Energy Star
CoC Tier 2 / DoE Level VI compliant

Frequently Asked Questions

Common technical questions about the TOPSwitchGaN series.

The TOPSwitchGaN is a Power Integrations GaN-based integrated flyback power IC achieving highest power density. The series includes 6 variants optimized for different application requirements.
The TOPSwitchGaN series currently includes 6 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The TOPSwitchGaN series is used in Ultra-compact chargers, GaN adapters, Space-constrained power, and Premium consumer electronics. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the TOPSwitchGaN series. We provide competitive pricing, fast delivery, and full traceability for all components. Request a quote or contact us for availability and lead times.
Yes, Octatronics supports both prototype and production quantities for the TOPSwitchGaN series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.