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ALED6001 eDesign dimming setting

TSU.11
Associate II

Hi Sir,

ALED6001 eDesign show BJT is as the red rectangle.

0693W00000ANG4eQAH.pngHowever, most PNP BJT is show as below picture.

0693W00000ANG5IQAX.pngI search some data, they show exchanging BJT's E and C, BJT can work.

However, the hfe will decrease and the BJT cannot afford high voltage.

Below example is for NPN.

https://www.rohm.com/electronics-basics/transistors/understanding-transistors

Why eDesign exchange E and C?

Thank you.

1 ACCEPTED SOLUTION

Accepted Solutions
Peter BENSCH
ST Employee

Please don't be confused by the different types of BJT: the eDesignSuite proposes a npn BJT but you are talking about a pnp.

Regards

/Peter

In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

View solution in original post

1 REPLY 1
Peter BENSCH
ST Employee

Please don't be confused by the different types of BJT: the eDesignSuite proposes a npn BJT but you are talking about a pnp.

Regards

/Peter

In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.