Difference between revisions of "AW9523B GPIO Expander"

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This part is relatively unknown - at least outside China, but it does have a really interesting feature and that is the ability to drive [[leds]] by controlling the [[led]] current.
 
This part is relatively unknown - at least outside China, but it does have a really interesting feature and that is the ability to drive [[leds]] by controlling the [[led]] current.
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[[File:AW9523B Leds.png|400px]]
  
 
The AW9523B is only available in a [[QFN]] package and because these are really hard to hand solder, I decided to create a simple breakout board for this part:
 
The AW9523B is only available in a [[QFN]] package and because these are really hard to hand solder, I decided to create a simple breakout board for this part:
  
 
[[File:AW9523B GPIO Expander Breakout Board.jpg|200px]]
 
[[File:AW9523B GPIO Expander Breakout Board.jpg|200px]]

Revision as of 11:32, 30 October 2020

While checking the standard parts on JLCPCB, I came across a Chinese i2c GPIO extender known as AW9523B (datasheet).

AW9523B Pinout.png

This part is relatively unknown - at least outside China, but it does have a really interesting feature and that is the ability to drive leds by controlling the led current.

AW9523B Leds.png

The AW9523B is only available in a QFN package and because these are really hard to hand solder, I decided to create a simple breakout board for this part:

AW9523B GPIO Expander Breakout Board.jpg