PFS5174F-TL

Overview

The PFS5174F-TL is a HiperPFS-5 power factor correction controller featuring an integrated 750V PowiGaN switch. It supports peak output powers up to 240W for LLC topologies and 110W for flyback applications. The device operates within a low input voltage range of 90VAC to 305VAC, withstanding transient surges up to 460VAC. It utilizes quasi-resonant DCM control to minimize switching losses and inductor size. The component is housed in an InSOP-T28F package designed for direct PCB thermal dissipation.

Feature Summary

• Integrates a 750V PowiGaN switch to enable high efficiency and eliminate external current sensing components.
• Employs digital power factor enhancement circuits to compensate for waveform distortion caused by EMI filters and rectifier bridges.
• Features an internal X-capacitor discharge mechanism and high-voltage self-biasing startup circuitry.
• Utilizes an InSOP-T28F package with a back-side source for efficient heat conduction to the PCB substrate.

Applications

• Personal computers and printers
• LCD televisions and video game consoles
• High-power adapters and USB PD 3.1 fast chargers
• Industrial control systems and home appliances

Procurement Notes

Verify the specific suffix 'TL' against the manufacturer's official documentation to confirm reel packaging specifications. Ensure compatibility with the intended topology, as this component serves as a standalone PFC stage or pairs with downstream converters like InnoSwitch4-CZ. Confirm RoHS compliance status through the provided datasheet before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring high power density without external heatsinks. It is suitable for universal input ranges up to 305VAC. Consider its integration level if minimizing bill-of-materials count is a priority. Evaluate the thermal performance requirements relative to the PCB copper area available for heat dissipation via the InSOP-T28F package.

Part Context

This part belongs to the HiperPFS-5 family from Power Integrations. It represents an evolution in PFC technology by incorporating Gallium Nitride (GaN) switches directly into the controller IC. This series targets high-efficiency standards for consumer electronics and industrial power supplies, offering superior performance compared to traditional silicon-based solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult the manufacturer's latest selection guide for cross-referencing options based on specific power and voltage requirements.