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- 2026-10-03
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Sifirst Technology SF6772 5V1A Tier 2 DEMO Design Report
The SF6772 is a power‑management IC with a built‑in 600 V MOSFET in an SOP‑8 package, supporting a wide input range (90‑264 V AC) and delivering up to 6 W output at 5 V 1 A while meeting six‑level Tier 2 efficiency. The document describes its patented Super‑QR/PSR technology, protection features, and application in smartphone chargers.
The report provides a complete design package: input‑output parameters, circuit schematic, PCBA dimensions, performance test tables, a detailed BOM, transformer winding guidelines, PCB layout recommendations, temperature tests, and contact information for Sifirst Technology. This manual is written in Chinese.
Covers: Input/Output Parameters · IC Features · Super‑QR/PSR Technology · Circuit Diagram · PCBA Dimensions · Performance Test Data
Latest 赛威科技 manuals
Sifirst Technology SF6772 5V1A Tier 2 DEMO Design Report
Application Note 20 pages · 713 KB · ZHThe SF6772 design report from Sifirst Technology details a 5 V 1 A power management solution meeting Tier 2 six‑level efficiency, including specifications…
Which document do I need?
Application Note
How to use the product for one specific task, with worked examples.
Questions answered in 赛威科技 manuals
What is the input voltage range of the SF6772?
The chip accepts an AC input of 90 V to 264 V at 50 Hz or 60 Hz.
From: Sifirst Technology SF6772 5V1A Tier 2 DEMO Design Report
What is the standby power consumption?
Standby power is less than 75 mW.
From: Sifirst Technology SF6772 5V1A Tier 2 DEMO Design Report
