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Hello why i cant find some details abaut automotive ic L9132 and L9131 ?

WZalu.1
Associate II
 
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5 REPLIES 5

Perhaps it is a custom part?

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WZalu.1
Associate II

What you mean ? this part is used in 20 types of car ecus made by <Magnetti Marelli>

DR1
Associate II

Have you found any?

This is from MM ECU you found it on, and I'm also looking inside one and cannot find _any_ datasheet or even marketing material on this chip.

May be, this is a custom chip.... But, how do then a ton of Chinese makers still make them all over? Don't they need some details on it to be able to make one?

Erwan YVIN
ST Employee

Sorry , i do not find the datasheet for this chip;

Please contact Magnetti Marelli

WZalu.1
Associate II

On the chip is logo ST and MM and both no have datasheet for it but China people still making this chip , its joke .Or bad will 0693W000001raUvQAI.jpg