shop/ buck & boost converters/ qc3.0/qc2.0 usb dc-dc buck converter module

USB buck converter that turns a 6-32V input into a fast-charge USB output. Defaults to 5V, then negotiates up to 12V once a fast-charge handshake kicks in.

Speaks the common fast-charge protocols: QC2.0, QC3.0, BC1.2, MTK PE, Apple, Samsung AFC, Huawei FCP, Spreadtrum SFCP. Good for car chargers, battery packs, and solar-fed charging.

Specs

Input 6-32V DC
Output 5V default, 3-12V on fast charge
Max power 24W (5V/3.4A, 9V/2.5A, 12V/2A)
Efficiency 90-97%
Protocols QC2.0/3.0, BC1.2, MTK PE, Apple, AFC, FCP, SFCP
Protection Over-voltage, over-current, under-voltage, short circuit, over-temp
Size 34 x 17 x 9.5mm

FAQ

Will this ship from Manila?

Yes — all stock ships from our Quezon City warehouse. Order before 4 PM weekdays for same-day cutoff via J&T or LBC.

Do you ship nationwide?

Yes. Metro Manila usually arrives next-day; provincial 1–3 working days.

Can I get this on a school PO or class order?

Yes — we accept Purchase Orders from accredited schools and universities. Contact us with your PO details and we'll process it.

Is this compatible with Arduino, ESP32, or Raspberry Pi?

Most parts work with common maker boards — check the description for specific pinout / voltage notes. If you're unsure, send us a message before ordering.

What's your return policy?

7-day inspection window for DOA units. Email proof of issue and we'll ship a replacement or refund. Used / installed parts are not returnable unless faulty.

Do you offer technical support?

Yes — questions land on our forum or via email, weekday or weekend. We've actually wired up most of what we sell.

Build with this board

// from learn.circuit.rocks

Notes from the bench

// from blog.circuit.rocks

Ask the community

// from forum.circuit.rocks