ALED6001 eDesign dimming setting

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Hi Sir,

ALED6001 eDesign show BJT is as the red rectangle.

However, most PNP BJT is show as below picture.

I 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.

Lighting and LED

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Peter BENSCHBest answer

ST Technical Moderator

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

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