Born for iPhone 17, Hynetek launches PD 40W single-C and dual-C popular models
10 13, 2025
You should have gradually received the newly released iPhone 17 by now, right? This time, Apple has finally delivered the long-awaited fast charging upgrade, with the iPhone 17 series supporting 40W wired charging.
To achieve 40W fast charging for the iPhone 17, Hynetek has launched the popular PD 40W single-C and dual-C models HUSB380B. Its minimalist design with minimal external components, compact packaging size, and outstanding performance make it the 'perfect partner' for iPhone 17 fast charging.
HUSB380B SOP-8L Package Single-C 40W PD Specifications：5V3A，9V3A，12V3A，15V2.67A，20V2A，PPS 5-11V4.5A。
Figure 1: HUSB380B Single-C Demo Board
HUSB380B DFN-10L package 2C 40W PD specifications: Single port 5V3A, 9V3A, 12V3A, 15V2.67A, 20V2A, PPS 5-11V4.5A; dual port 5V3A, 9V2.22A, 12V1.67A, PPS 5-11V2A.
Figure 2: HUSB380B 2C Cascade Demo Board
Next, through actual testing, let's take a look at the real charging performance of the HUSB380B.
Figure 3: Charging the iPhone 17 Pro Max using the HUSB380B single-C 40W solution, output voltage 15V, output current 2.6A, output power 39W
Figure 4: Charging the iPhone 17 Pro with the HUSB380B single-C 40W solution, output voltage 15V, output current 1.9A, output power 29W
Figure 5: Charging the iPhone 16 with the HUSB380B single-C 40W solution, output voltage 15V, output current 1.39A, output power 21W
Figure 6: Charging the iPhone 15 Pro Max with the HUSB380B single-C 40W solution, output voltage 9V, output current 2.7A, output power 24W
Figure 7: Charging the S24 Ultra with the HUSB380B single-C 40W solution, supporting Samsung standard display, output voltage 9V, output current 3.4A, output power 31W
The 2C cascade charging scheme using dual Buck and HUSB380B also demonstrates excellent performance.
Figure 8: Charging the iPhone 17 Pro Max using the HUSB380B 2C 40W cascade scheme, with an output voltage of 15V, output current of 2.56A, and output power of 39W
Figure 9: Charging the iPhone 17 Pro using the HUSB380B 2C 40W cascaded solution, output voltage 15V, output current 1.8A, output power 27W
Figure 10: Using the HUSB380B 2C 40W cascade solution to charge the iPhone 16, output voltage 15V, output current 1.1A, output power 17W
Figure 11: Charging the iPhone 15 Pro Max using the HUSB380B 2C 40W cascade scheme, with an output voltage of 9V, output current of 2.9A, and output power of 27W
Figure 12: Charging the S24 Ultra using the HUSB380B 2C 40W cascade scheme, supporting Samsung standard display, with an output voltage of 9V, output current of 3.4A, and output power of 30W.
Figure 13: HUSB380B 2C 40W cascade scheme (dual ports simultaneously plugged 20W + 20W). Port C1 output voltage is 12V, output current is 1.46A, output power is 17W; Port C2 output voltage is 12V, output current is 1.6A, output power is 20W.
