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Power Integrations

Power Integrations TOPSwitch-HX | Power Integrations

TOPSwitch-HX series from Power Integrations

TOPSwitch-HX Datasheet

Power Integrations TOPSwitch-HX Series Overview

High-efficiency integrated flyback switcher with multi-mode operation for wide power range.

The TOPSwitch-HX from Power Integrations is a High-efficiency integrated flyback switcher with multi-mode operation for wide power range. This series includes 43 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the TOPSwitch-HX 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 TOPSwitch-HX 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 90W Output PowerSupports output power up to Up to 90W 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

  • PC standby power
  • Auxiliary power supplies
  • Open-frame power
  • Printer adapters

Compare TOPSwitch-HX Variants

Side-by-side comparison of 10 product variants from Power Integrations

ParameterTOP249YNTOP247YNTOP246YNTOP244YNTOP244GN-TLTOP243YNTOP242PNTOP233YNTOP227YNTOP224YN
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TOPSwitch-HX Series Applications
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Energy & PowerPower semiconductors, battery management ICs, solar inverter components, and EV charging modules.
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EV & PowertrainBattery management ICs, cell balancing circuits, and high-voltage isolation components for electric vehicles.
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Solar InvertersHigh-efficiency power conversion for photovoltaic systems.
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Automotive Power Management

Technical Specifications

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

Power Specifications

Output Power
Up to 90W
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 TOPSwitch-HX series.

The TOPSwitch-HX is a Power Integrations High-efficiency integrated flyback switcher with multi-mode operation for wide power range. The series includes 43 variants optimized for different application requirements.
The TOPSwitch-HX series currently includes 43 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The TOPSwitch-HX series is used in PC standby power, Auxiliary power supplies, Open-frame power, and Printer adapters. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the TOPSwitch-HX 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 TOPSwitch-HX series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.