Modified +2A boost board circuit analysis

tagetage · Published on 2021-12-17 17:11

Modified +2A boost board circuit analysis [Copy link]

Event Address:

Creative Modification Competition: Given a booster board and a purifier, what can you modify it into?

Received the 2A boost board sent by Guan Guan , take a look at the pictures.

This 2A boost board is small in size. Reflow soldering process. Good workmanship. The main control chip is PW5328B

PW5328B main features:

Typical circuit:

Use the 2A boost board on the air purifier, input 3.7V and output 12V .

Summary: This boost board is small in size, has adjustable output, and is cheap. Netizens who have this need can consider using it.

soso · Published on 2021-12-17 17:20

Hey quick :)

dcexpert · Published on 2021-12-17 21:20

This boost board is good in all other aspects except that some positioners may fail, resulting in failure to boost voltage.

littleshrimp · Published on 2021-12-18 09:26

I want to see the arc

tagetage · Published on 2021-12-18 09:44

littleshrimp posted on 2021-12-18 09:26 I want to see the arc

The arc is in the video attached to my post.

https://en.eeworld.com/bbs/thread-1189419-1-1.html

littleshrimp · Published on 2021-12-18 10:39

tagetage posted on 2021-12-18 09:44 littleshrimp posted on 2021-12-18 09:26 I want to see the arc in the video attached to this post. http:// ...

The sound is much louder than the purifier I disassembled.