Power management

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STBB3JCC Feedback Resistors

I found this part of the datasheet for the STBB3JCC component a little confusing. Could someone help me calculate the ideal resistor values ​​to have an output of 3.3V?  My board is powered by a lithium battery that varies from 3V to 2V. The output r...

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Maihach by Associate II
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Resolved! device marking code

Good morningCould you please provide me with the part number of the component in the image ?I attach a linkhttps://1drv.ms/i/s!Ajq7wiTh-c6nhJsS3VS-GZIVd5U5lQ?e=dXQPAw Thank youRegards

JOMASAPA by Associate
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STUSB4500 Power during programming

Hello :p  I am designing a circuit that should negotiate the highest level of PD, and noticed that STUSB should be programmed and configured first using I2C. My question is whether the chip needs to be powered through VDD when programming, because th...

emelia by Associate
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labeling STEF033PUR

Hi, we purchased STEF033PUR and got deveives with labeling "EF33" - based on data sheet this lable doesn't exist - lable should be "EF03" - can you clarify that?

MMP by Associate
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MasterGAN bootstrap supply question

Hi all,I am using a MasterGaN5 to drive an electro-optic crystal.  The switching rate is variable and can go up to 1-2 MHz, while at times I need to apply a constant high voltage to the crystal.  My solution was to use an external isolated 5.5V suppl...

TStal.3 by Associate
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Resolved! STBB3J Feedback Voltage Resistors

Hello, I'm new here. I'm doing a project with STBB3J components and I believe I didn't correctly understand how to calculate the resistors that control the output voltage. I followed the example of the same application circuit, which is this (page 4 ...

Maihach_2-1702657954958.png Maihach_3-1702658045800.png Maihach_4-1702658337256.png
Maihach by Associate II
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  • 7 replies
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Steval-L99615C Discovery Kit

 When testing discovery kit. With Demo 1 binary file FW of the STSW-L9961BMS. Tera Term serial monitor outputs random characters. Using Speed 9600, Data 8 bit, Parity none, Stop bit 1 bit. Tried different computer. Tried different settings. Same resu...

KWarr.1 by Associate II
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Standby Mode Control to minimize power consumption (STM32L476RCT)

My name is Lee Dongjin from South Korea and I am developing the system below.While developing a "Multi-Point Correlation Leak Detection System" using your company's MPU (STM32L476RCT), the following problem occurred and I would like to ask for a solu...

Dongjin by Associate
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